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Plants, in point of fact, have more needs than animals; therefore, perforce, they struggle harder. The beasts require but food and drink; the herbs require from the soil water and nitrogenous matter for their roots; they require from the air, carbon, which is their true solid food, for their leaves; they need sunlight, which is the motive power, for their growth and assimilation; insects to fertilize them, birds or breezes to disperse their seeds. For all these they struggle ceaselessly among themselves; and the struggle is all the deadlier because it is carried on at such very close quarters.

DOWN by the streamlet in the Frying Pan, in the heavy clay soil of the bank, I see this morning the flower-scapes of the coltsfoot are lifting betimes their curious bent heads. Two days more, and they will star the bare earth with their golden blossoms. That is a sure sign that winter is over, the labourers will tell you, weatherwise in their ancestral lore; and, indeed, the coltsfoot is a prudent and a wary herb, which I have seldom known go wrong in its calculation of probabilities. It makes its own weather forecast, independently of the Meteorological Office, and it backs its opinion. As long as it thinks frost is likely to recur, it "lies low," like Br'er Rabbit; but as soon as it feels pretty confident the worst is past, and no more hard weather will come to nip it in the bud, it boldly sends up its leafless flower-stem, looking more like a shoot of asparagus than anything else, with which most people are familiar. I have never seen it make a serious mistake, even in the sunniest and most treacherous English spring weather.

Who gave it its wisdom?--to parody Mr. Swinburne. How did it come so well to time itself as the earliest among our conspicuous spring flowers? Well, coltsfoot is a composite, belonging to the same minor group as the common ragworts--its very leaf, indeed, being a good deal like some of the larger ragworts in type, especially those handsome exotics of the race, so much cultivated in greenhouses under the name of cinerarias. But living in cold northern climates, on the banks of streams, in deep clay soil, where it spreads most vigorously, it has learned by experience to accommodate itself to its environment. It did so, in fact, many thousand years before Mr. Herbert Spencer taught poor recent humanity that latter-day catchword. Growing in thickset places, by running water, where its own large leaves and those of its neighbours would overshadow and hide its dainty blossoms in the height of summer, it has acquired the odd trick of sending them up naked, on the naked clay, in very early spring, when they court and easily attract the attention of the first spring insects to visit and fertilize them. In order to do this it must lay by material the summer before, and that material the prudent plants bury deep out of harm's way, in their creeping underground rootstock. Owing to the dampness and chilliness of the clay, which suits its constitution best, coltsfoot hides its rootstock exceptionally deep in the earth, and this precaution affords it, on the whole, a safe protection alike against cold and against burrowing enemies. As long as the frozen earth remains chilly underneath, the buds make no stir; but as soon as the subsoil begins to rise in temperature to a very modest point the flower-heads grow apace from the buried material, exactly as hyacinths do from a bulb when placed in water in a slightly warm atmosphere. And such a raising of temperature in the subsoil is one of the surest signs that winter has spent itself.

The flower-stem of coltsfoot rises bare and leafless, save for a few small scales, such as one sees on asparagus; but it is thickly covered with a warm cottony wool, to keep out winter, and the buds are bent down so as to protect them at once from chill and from injury. Each stem terminates in a single pretty fluffy yellow flower-head, composed of innumerable golden florets of two kinds--those of the ray very narrow and ragged, giving the entire head its characteristic tasselled appearance; while those of the central disk are much larger, and bell-shaped. The entire blossom looks like a dandelion at first sight to a careless observer; but when you come to examine it closely, it is a far more dignified and beautiful flower. The tone of its yellow is richer, yet mellower, and its fluffy little ray-florets have a Japanesque charm in their flowing looseness.

So long as the flowers continue to bloom, you see no leaves; whence it comes about that many people know well the blossoms of coltsfoot in spring, and the foliage in summer, without having the faintest idea that they belong to one another. But if you keep your eye on the place where the yellow stars arose, after the flowers have withered and the white heads have blown away in copious flights, their wee feathery fruitlets, you will see by-and-by some big broad angular leaves, very thick and noticeable, rising high into the air from the same buried rootstock in the self-same position. Few leaves are more remarkable, with their heart-shaped bases and their obtrusive angles; while the under side is thickly covered throughout with a cottony wool, loose, white, and abundant. They are big, because they overtop the other leaves about, and so gain free access to the air and sunshine. They have elbow-room to spread in. Their business is to catch and eat carbonic acid, which the sunlight assimilates for them. For this reason they are green above, with a transparent skin, which skin forms a water-layer for absorbing the gas and conducting it to the living green tissue beneath, where it is duly digested and assimilated. But why the cotton below? Well, the upper and under surfaces of leaves perform in nature quite different functions. The upper side, which is thick and firm, eats carbonic acid and receives the incident sunlight to digest it; but the under side, which is looser and spongier, gives off vapour of water--transpires, as we say--by innumerable little mouths, which are its outward breathing-pores. Now, these pores must not be allowed to get clogged with dew; so in wet meadows and by river-banks, where everything reeks with dew from sunset till late in the succeeding morning, almost all the plants protect the breathing-pores on their under side by such an unwettable felt of thickly matted cotton. Meadow-sweet is a familiar English example, and so is a close relation of our coltsfoot, the butterbur.

I FLUNG myself on the heath outside the house just now, with my friend the Editor. He edits a London literary journal, and disbelieves in everything. He is critical and sceptical. When he inherits glory , I believe he will gaze about him at the golden floor and the walls of chrysoprase, and murmur to himself, "Humph! Not all it's cracked up to be!" Yet he is as tender as a woman, and as simple as a child; though he has found out the fact that the world is hollow, and that the human doll is stuffed with sawdust.

We lay beside a clump of tall flaming rose-bay--fire-weed, as they call it over yonder in America. There, in the great woodlands, on whose lap I was nursed, a wandering child of the primeval forest, you may see whole vast sheets of that flamboyant willow-herb covering the ground for miles on bare glades in the pinewood. Most visitors fancy it gets its common American name from its blaze of colour; and, indeed, it often spreads like a sea of flame over acres and acres of hillside together. But the prosaic backwoodsman gave it its beautiful title for a more practical reason: because it grows apace wherever a forest fire has killed out and laid waste the native vegetation. Like most of the willow-herbs, it has a floating seed winged with cottony threads, which waft it through the air on pinions of gossamer; and thus it alights on the newly burnt soil, and springs up amain after the first cool shower. Within twelve months it has almost obliterated the signs of devastation on the ground under foot; only the great charred stems and gaunt blackened branches rise above its smiling mass of green leaves and bright blossoms, to tell anew the half-forgotten tale of ruin and disaster.

Here in England the rose-bay is a less frequent denizen, for it loves the wilds, and feels most at home in deep rich meadow bottoms unoccupied by tillage. Now, in Britain these conditions do not often occur since the Norman conquest; still, I have seen vast sheets of its tall pink pyramids of bloom at John Evelyn's Wootton; while even up here, on our heathery uplands, it fights hard for life among the gorse and bracken. Its beautiful spikes of irregular flowers, wide open below and tapering at the top into tiny knobs of bud, are among the loveliest elements in the natural flora of my poor three acres.

We were lying beside them, then, out of the eye of the sun, under the shadow of one bare and weather-beaten pine-tree, when talk fell by chance on the small brown lizards that skulk among the sandy soil of our hilltop. I said, and I believe, that the lizard population of the British Isles must outnumber the human by many, many millions. For every sandy heath is just a London of lizards. They pullulate in the ling like slum-children in Whitechapel. They were about us, I remarked, as thick as Hyde Park demonstrators; only, instead of demonstrating, they prefer to lie low and conceal their identity. The policeman hawks and the owls on night duty have taught them that wisdom--stern Draconian officers of nature's executive, who know no gentler punishment than the death penalty for the slightest misdemeanour.

The Editor smiled that sceptical smile which is the terror of young contributors of Notes on Novels. He rejected the lizards like unsuitable copy. He didn't believe in them. He doubted there were any on the heath at all. He had walked over square miles of English moorland, but never a lizard had he seen, out of all their millions. Imagination, he observed, was an invaluable property to poets and naturalists. It was part of their stock-in-trade. He didn't seek to deprive them of it. As Falstaff says, a man may surely labour at his vocation.

I was put on my mettle. For once in my life, I did a rash thing; I ventured to prophesy. "If you wish," I cried, "I'll catch a lizard, and show you." The Editor's face was a study to behold. Phil May would have paid him ten guineas for the copyright. "As you like," he answered grimly. "Produce your lizards."

IN warm spots under hedges, I see, the first spring insects now begin to appear, timidly and tentatively, from the shelter of their cocoons. Some few of them, indeed, like the lady-birds, the wasps, and the bumble-bees, have struggled through the winter in the winged or perfect form, having hibernated among warm moss or under the bark of trees in favoured situations. These adventurous kinds passed through their larval and pupal stages last year, and a tithe of them live on with difficulty through the winter frosts, to become the mothers and founders of fresh insect communities as April comes round again. But by far the greater number eat and grow as grubs or caterpillars through the summer months, and when autumn approaches turn into cocoons or chrysalides, to lie by for the winter in a snug retreat, well wrapped up in a warm silky or woollen coverlet, and protected underground from snow or hoarfrost. As soon as cold weather approaches, these prudent insects retire from public life, cease from active pursuits, melt themselves up into a sort of organic pulp, lose almost every distinguishable organ or feature, and remain dormant, in a state of indefinite protoplasm, which gradually takes shape again as moth, beetle, or butterfly. Mummies we sometimes call them, but they are not even mummies, for they lose almost entirely their form and limbs; they tide over the winter for the most part in an all but structureless mass, which yet encloses the potentiality of rebuilding in due course the shape and members of the ancestral insect. Slowly new limbs grow out within the protecting chrysalis case, wings bud from the side, and the grub or caterpillar changes by degrees into the totally unlike image of the beetle or butterfly. As soon as warmer weather sets in, the winged forms emerge with the first sunny day from their broken shell. I have seen nettle-butterflies abroad in a spell of genial warmth in the last week of January; a brimstone has been tempted forth to seek his lady-love on St. Valentine's Day; and fritillaries are abundant in early March sunshine. Lesser insects, whose names are enshrined in scientific Latin alone, often emerge from their mummy-cases even earlier than these familiar and conspicuous lepidoptera.

The moment they peep forth, lo and behold! they find the plant world, for its part, ready decked to greet them. The very same morning that sees the first butterfly and the first bee on the wing, sees also the first crocus opening wide its shining cup in the full sun to woo them. The brimstone is no sooner out than the coltsfoot and the celandine and the bulbous buttercup spread their gold to allure him. And has it ever struck you that the plants, no less than the animals, pass through the winter period in the chrysalis condition? This is no mere figurative flower of speech; it is the scientific statement of a real and profound analogy. During the summer months the leaves of the crocus, the tulip, and the hyacinth have been eating and laying by, exactly as the caterpillar did, to provide material for next year's flowering season. When winter blows cold, the leaves die down--the plant, as it were, retires underground into its bulb, like the caterpillar into the cocoon, and there remains, formless and organless, a mere pupa-like potentiality of future buds and blossoms. But when warm weather recurs, the bulb once more begins to germinate: it takes fresh form as a vigorous flower-head. Observe, too, that the flowering stem, like the winged stage of the insect, is the sexual epoch of the plant, an avatar told off, as the butterfly by the caterpillar, to produce the seeds which are the eggs of the species. In each case a certain definite period of time is passed in laying by material, in eating and storing only; then comes a quiescent epoch of rest and rebuilding; and this again is followed by a mature stage of marriage and reproduction. Notice, too, in either instance, that the reproductive stage is more beautifully formed and more attractively coloured than the mere accumulative and storing mechanism.

What is thus true of the crocus and of the butterfly is true, to a great extent, of all plants and animals in temperate or cold climates. They enter every winter into a chrysalis stage, from which in early spring they emerge once more, still more beautiful than before, freshly adorned for the mating and nesting period. Trees lose their leaves, and withdraw their protoplasmic and starchy material in a shapeless mass into the permanent tissues; but they hold it there, ready to manufacture it once more into bright green foliage and tasselled catkins, into blushing apple-blossoms, or tall spikes of horse-chestnut flower, or pink bloom of elms, with the first spring sunshine. Squirrels hibernate; moles sleep away the dead of winter; frogs retire to the depths of ponds; slugs bury themselves in the soil; dormice doze in well-lined crannies among the boles of hazels. Many species only tide over the cold weather, indeed, in the most potential form, as eggs or seeds; they are annuals, like the poppy or the aphides of roses. In such cases the whole race is represented for some months by its germs alone: one generation never sees or knows the existence of another. In other instances, somewhat higher, the species survives as pupa or as bulb, adult, no doubt, though in a relatively formless or indefinite shape, yet ready to come forth full-fledged and perfect at the first faint breath of returning summer. Still other kinds, again, struggle through as mature and fully formed insects, or birds, or mammals, and as evergreen trees or shrubs, though they live for the most part a life of low grade, and on accumulated materials. Nature is almost dormant in our zone through the winter months; life is then one vast and varied chrysalis.

MY friend the Poet and I walk the world together on somewhat different principles. It is a fixed belief of his that illusion is far more beautiful than reality. He likes to see the distant hills through some dim veil of mist; he likes to believe the skylark feeds on dew and sunshine, and he is revolted when I explain to him, in spite of Shelley, the actual staples of its unromantic diet. To him, it seems, everything loses just half its beauty when he knows all about it. Analysis, he says, is destructive of pleasure. Only in an imagined and unrealized world can he find the pure elements that delight his fancy.

But to me the actual world as it stands is beautiful. I love to descry the very contour of the hills; I love to watch from afar the saucer-shaped combes on the flanks of the South Downs, when the afternoon light floods and bathes them in its glory. Illusion to my mind is less lovely than reality. Nothing on earth seems more beautiful than Truth. I love to catch her face behind the clouds that conceal her.

And now it is the plain unvarnished Truth I am going to give you in this Moorland Idyll. I am going to tell you just what we saw to-day, without one episode or incident save what really occurred to us. I could not make that stroll more exquisite than I found it, if I tried till Doomsday. It was an idyll of real life. May many more so come to me!

We strayed together--the Poet, Elsie, Lucy, and myself--across the moor to Highfield, in search of strawberries. Highfield lies some two miles off, at the beginning of the valley; a lost old-world farm, in a dell of the moors, with a market-garden. You poor Londoners, when you go to buy strawberries, go to buy them prosaically at a commercial fruiterer's in a noisy street; but we moorlanders go with our basket in our hands to some lonely grange across the heather-clad upland. The first part of our walk lay high over the ridge, where the heath was burnt in the Jubilee year by the great fire; you can still plainly mark the point up to which the flames made a clear sweep of the heather, and the point where they left off, held in check by the beaters. For heather is really a forest-tree of some fifty years' growth; and the waste where the fire raged is still covered to this day with a shorter crop of young seedling gorse and ling and whortleberry, while the older vegetation unburnt beyond rises tall and bush-like. The blasted part, too, shows by far the finest and deepest purple of any; not because the flowers are really bigger or thicker, but because where the plants are still short the Tyrian purple of the Scotch heather is seen to greatest advantage; whereas, when they rise higher, the Scotch heather is overtopped by the bushier and coarser and taller-growing ling, with its somewhat insipid pale pink blossoms. The Poet thinks the fire makes the heath burn brighter. I think myself it keeps the ling lower.

Anyhow, that spur is one blaze of glory. Not a spot on the moor flares so splendid a purple. We passed through it, single file, by the narrow footpath, where the ling rises knee-high on either side, and the little brown lizards dart wildly to their holes at first sound of a footfall. Along the ridge, past the broom-bushes, now hanging with silvery pods, we continued on the path till we reached the white beam-tree. There the trail diverges a little suddenly to the left; a cock-pheasant broke with a shrill cry on the wing; his whirr as he rose startled the shallow valley. A wood-pigeon, alarmed at his alarm, flapped afield from the pinewood; the low cooing of his fellows from the larches beyond died away at the sound of his warning signal. Then we turned into the middle trail, where it dips towards the lowland.

All at once Elsie started, and gave a little cry--"A fox! a fox!" And, sure enough, there was one. He ran on before us, with his red brush depressed, fifty yards or more along the path on the open. Seldom have I caught a longer or clearer view of him unhunted in England. We were but ten yards behind, and had fairly surprised him. However, he took his discovery like a gentleman, and instead of skulking away to right or left, where the heath rose high, he ran on along the open, so as to give us a fine stare at him. Lucy, who is a visitor, unused to country ways, save as townsfolk know them, had never seen a live fox in the wild state before, and the incident charmed her. He was so lithe and red, and he ran so well, with his sharp head held low, and with the wild air of his species.

Beyond the plantation we turned aside into a field, and oh! such a field! Have I words to picture it? It had been sown for grass; but no grass was there. "Bad season," says the farmer. "Thank Heaven for these slovenly farms," says the botanist. Blue cornflowers grew in it, thick as stars in heaven; and huge spikes of viper's bugloss as tall as a man's waist and more lovely than a turquoise. Who shall describe their hue, their form, their fashion? A great spotted stem, like a lizard's skin, green flecked with russet brown, and uncanny to look upon; on either side, long twisted spirals of red-and-blue blossoms, each curled like a scorpion's tail, very strange and lurid. The individual blossom is bright blue, when fully opened, with crimson stamens; the buds are deep red; the dead flowers dry violet. Altogether, a most weird and witch-like plant. I think one might use it with great advantage for incantations and sorcery. The Poet decided to try its effect next time he would rid himself of a discarded lady-love. We plucked great armfuls, and carried them along with us as far as Highfield. Other flowers were there, too, of less poetic interest--bright yellow corn-marigolds, and scented white campion; scarlet poppies by the score, with waving panicles of not a few tall grasses. We gathered of them all, and they stand before me now, gladdening my eyes as I write, in the coarse red pots of plain Hampshire earthenware.

They had no strawberries left, after all, at Highfield. We had our walk for nothing--if that be nothing! So we used the empty basket to carry back our trophies. But, returning by the lane, we filled our vacant arms once more with foxgloves; and the fox himself crossed our path for a second again at the self-same turning, without seeking to reclaim them. Even the Poet admitted we had saved one day from Time's devouring maw. And that's how we live, up here in the moorland.

THE frosts of last winter--that terrible, pitiless winter--killed down two-thirds of the gorse in England; and now that summer has come again, the dry brown branches stand bare and leafless in mute accusation in every moor and common in the country. Only an exceptionally hardy bush here and there puts forth, in a straggling and tentative fashion, a few timid shoots, or struggles ineffectually into feeble bloom on a protected bough or so. The bumble-bees wander about, disconsolate, like the hungry sheep in "Lycidas," and are not fed; thousands and thousands of them have died this spring from so unexpected a failure of their staple food-stuff. Honey and pollen have been quoted for the bees at starvation prices. We have natural selection here on a large scale in actual action before our very eyes: only the hardiest furze-bushes have this year survived the bitter frost; only the busiest, strongest, and most enterprising bumble-bees are now surviving the serious loss of their accustomed provender. Even heather has suffered much, which is a surprising fact, for heather belongs to a high sub-arctic type, that spreads in both its familiar British forms far north into Scotland, Scandinavia, and even Russia; while gorse, a shrub of much more southern and western nature, is rare in the Highlands, unknown in Norway or Sweden, and, in its smaller form, at least, incapable of enduring the severe winters of Germany to the east of the Rhine.

As a consequence of this dryness and deadness of the gorse, and to some extent of the heather-tops, heath fires have raged this spring in England with a fierceness and commonness I have never seen equalled. Every year, of course, especially about Eastertide, when furze and heather are normally at their driest, owing to the winter sleep, heath fires are frequent enough in times of drought on all sandy moorlands; but, as a rule, they cease altogether for the year when the gorse begins to burgeon and the heath to send up its long green summer shoots. As the sap mounts in the plants, and the spiky leaves grow green, the amount of moisture in stem and branches suffices to preserve the commons and moors from the danger of burning. This summer, however, the dead dry gorse-bushes catch a spark like tinder; and in the district where I live, among pines and heather, we have been nightly surrounded for many weeks by constant heath fires. Sometimes, perhaps, they are kindled of malice prepense, or out of pure boyish mischief; more often, however, I fancy they are due to mere human carelessness in flinging down a match among the arid fuel. A bicyclist's cigarette thrown lightly by the roadside, a labourer's pipe turned out casually upon the footpath--any such small thing is enough to set it going; and once lighted, the flames spread before the wind with astonishing rapidity, licking up with their fiery tongues whole leagues of dry gorse, and leaping with frantic glee and in crackling haste from bough to bough of the pines and hollies.

It is a strange sight, indeed, to see at night one of these lurid deluges, sweeping onward irresistibly, amid clouds of smoke and loud snapping of boughs, on its work of devastation. Terrible as it all is, it is yet beautiful while it lasts: the red sibilant flames, the fierce glare on the sky, the beaters beating it down on its leeward edge with branches of pine-trees, and silhouetted in black against the bright glow of the fire, all unite to make up a weird and intensely impressive picture. But to the beasts and birds whose home is on the moor, it is a cataclysm inexpressible, appalling, unthinkable. Lizards run before the advancing phalanx of flames in trembling terror till it catches them by the hundred, and calcines them as they run into fine white ashes; rats squeal from their holes in the bank with piteous screams of agony, as they are slowly roasted alive by the remorseless inundation; rabbits wait in silence in their stifling burrows, and are burned without one sound, for, true to their instincts, they prefer to meet death in their own scorching homes, rather than expose themselves to the dogs who follow every fire, and pounce with mad joy on hapless creatures that run for dear life from its devouring onslaught.

Next day--ah! next day--the area over which the flames have swept is pitiful to behold: blackened soil, charred bushes, naked boughs of burnt fir-trees. Among them, one morning, I saw a poor belated squirrel, exposed on the open, and picking his way painfully over the smoking ground. Beneath his paws the loose black peat still smouldered sullenly. With dazed and doubtful steps, like a stupefied thing, he picked his way among the burning tufts. He had lost his mate, no doubt--his mate, and his little ones. The whole world he knew had been blotted out and effaced in one wild half-hour of indescribable terrors. Now he walked gingerly on tip-toe over the burning soil, as you and I might walk over the ashes of Mayfair if a fissure eruption had spread hot sheets of lava above the site of London. Just such a catastrophe to my squirrel was that awful night's work. He was stunned and mazed by it. I thought, indeed, for a time, he was half dead and roasted, till a dog ran after him; then, quick as lightning, he darted up a charred tree, and looked down from the bare boughs upon his baffled pursuer. But none of the usual sly triumph was there in his look; the manifold experiences of that deadly night had killed all slyness and all archness out of him for ever. He wandered like a ghost among the blackened branches; his universe was gone; his life was blasted. I never saw a more pathetic sight, nor one that brought home to me in sadder colours the ruthlessness of nature.

All the dwellers on our moor, in like manner, are poor relations, so to speak, as the donkey is to the horse. They are losers in the struggle for life, yet not quite hopeless losers; creatures that have adapted themselves to the worst positions, which more favoured and successful races could not endure for a moment. The naked Fuegian picks up a living somehow among snow and ice on barren rocks, where a well-clad European would starve and freeze, finding nothing to subsist upon. Just so on the moor; heather, furze, and bracken eke out a precarious livelihood on the sandy soil, where grasses and garden flowers die out at once, unless we artificially enrich the earth for them with leaf-mould from the bottoms and good manure from the farmyards.

More than that, you may take it as a general rule that where grass will grow there is no chance for heather. Not that the heather doesn't like rich soil, and flourish in it amazingly--when it can get it. If you sow it in garden borders, and keep it well weeded, it will thrive apace, as it never throve in its poor native loam, among the stones and rubble. But the weeding is the secret of its success under such conditions. It isn't that the heather won't grow in rich soil, any more than that beggars can't live on pheasant; but grasses and dandelions, daisies and clovers, can easily give it points in such spots, and beat it. In a very few weeks you will find the lowland plants have grown tall and lush, while the poor distanced heather has been overtopped and crowded out by its sturdier competitors. That is the reason why waterside irises, or Alpine gentians, will grow in garden beds under quite different circumstances from those under which we find them in the state of nature; the whole secret lies in the fact that we restrict competition. Cultivation means merely digging out the native herbs, and keeping them out, once ousted, in favour of other plants which we choose to protect against all their rivals. In rich lowland soils the grasses and other soft succulent herbs outgrow such tough shrubs as ling and Scotch heather. But in the poverty-stricken loam of the uplands, the grasses and garden weeds find no food to batten upon; and there the heather, to the manner born, gets at last a fair field and no favour. It is adapted to the moors, as the camel is to the desert; both have been driven to accommodate themselves to a wretched and thirsty environment; but both have made a virtue of necessity, and risen to the occasion with commendable ingenuity.

Everything about the heather shows long-continued adaptation to arid conditions. Its stems are wiry; its leaves are small, very dry, uninviting as foodstuffs, curled under at the edge, and so arranged in every way as to defy evaporation. Rain sinks so rapidly through the sandy soil the plant inhabits that it does its best to economize every drop, just as we human inhabitants of the moorland economize it by constructing big tanks for the storage of the rain-water that falls on our roof-trees. Warping winds sweep ever across the wold with parching effect; so the heather makes its foliage small, square, and thickly covered by a hard epidermis, as a protection against undue or excessive dryness. It aims at being drought-proof. Its purple bells, in like manner, instead of being soft and fleshy, as is the case with the corollas of meadow-blossoms like the corn-poppy, or woodland flowers like the wild hyacinth, are hard and dry, so as to waste no water; dainty waxen petals, like those of the dog-rose or the cherry-blossom, would wilt and wither at once before the harsh, dry blasts that career unchecked over the open moorland. Yet the heather-bells, though quite dead and papery to the touch, are brilliantly coloured to attract the upland bees, and form such wide patches of purple and pink as you can nowhere match among the largely wind-fertilized herbage of the too grass-green water-meadows. Upland conditions, indeed, always produce rich flowers. The most beautiful flora in Europe is that of the Alps, just below the snow-line; it has been developed by the stray Alpine moths and butterflies. Larger masses of colour are needed to attract these free-flying insects than serve to catch the eyes of the more business-like and regular bees who go their rounds in lowland districts.

Is not the donkey himself a product of somewhat similar conditions? Oriental in his origin, he seems to be merely the modern representative of those ancestral horses which did not succeed in the struggle for existence. Every intermediate stage has now been discovered between the true horses, with their flowing tails and silky coats, and the true donkeys, with their tufted tails and shaggy hair, the middle terms being chiefly found in the northern plains of Asia. Now, our horses, I take it, are the descendants of those original horse-and-donkey-like creatures which took to the grassy meadows, and so waxed fat, and kicked, and developed exceedingly; while our donkeys, I imagine, are the poor, patient offspring of those less lucky brothers or cousins which were pushed by degrees into the deserts and arid hills, and there grew accustomed to a very sparse diet of the essentially prickly and thorny shrubs which always inhabit such spots, just as gorse and heather inhabit our British uplands. That is why the donkey thrives so excellently to this day on thistles and nettle-tops: they represent the ancestral food of his kind for many generations. Certainly, at the present time, wherever we find horses wild it is in broad, grass-clad plains, or steppes, or pampas; wherever we find donkeys, or donkey-like animals, wild, it is among desert or half-desert rocks, and on arid hillsides. It would seem as though the horse was in the last resort a donkey grown big and strong by dint of good living and free space to roam over; while the donkey, on the other hand, is in the last resort a horse grown small and ill-proportioned through want of good food and insufficient elbow-room. It is noteworthy that in small islands, like the Shetlands, small breeds of horses are developed in adaptation to the environment; though, the food being still good pasture in a well-watered country, they retain in most respects their horse-like aspect. But a vengeance o' Jenny's case! I have wandered far afield from Peter Rashleigh's donkey, to have got so soon into evolutionary biology!

Both are intruders here. When first we came to our hilltop there were no thrushes and no earthworms, no house-martins and no sparrows. But the building of one simple red-tiled cottage set up endless changes in the fauna and flora. A whole revolution was inaugurated over a realm of three acres. The house-martins were the first to come; they settled in before us. Ancestral instinct has taught them to know well that where a house is built there will be eaves to nest under, and people will inhabit it, who throw about meat and fruit, which attract the flies; and flies are the natural diet of house-martins. The sparrows came next; but the thrushes loitered longer. And the manner of their coming was after this fashion--

The powers that be had decided on a tennis-lawn. Previously nothing but heather and gorse spread over the hilltop; that is the native vegetation of this light sandstone upland. But in order to have tennis you must needs have a sward; so, much against the grain, we grubbed up wild heath enough to make a court, and sowed it for a tennis-lawn. Grass cannot grow, however, on such poor light soil as suits heather best, so we imported a few cartloads of mould and manure from a farm in the valley. With the mould came worms, who, finding a fair field, began to be fruitful and multiply and replenish the earth with laudable rapidity. Few or no earthworms live in the shallow sand of the open moor; and, though a mole or two can just eke out a precarious living here and there in the softer and grassier hollows--I see their mounds every day as I cross the common--worms are not nearly abundant enough to tempt the epicurean and greedy thrushes from the shelter of the valley. For the mole, you see, goes out hunting underground on the trail of the earthworm; but the thrush must needs depend upon the few stray stragglers which come to the surface morning and evening.

No sooner had worms begun to make castings on the lawn, however, than some Columbus thrush discovered a new world was opened to him. He and his mate took formal possession of the patch of green, which they hold as their own, using it regularly as a private hunting-ground. Every other tennis-lawn in the neighbourhood similarly supports its pair of thrushes, as every rood of ground in England once "maintained its man." One of our neighbours has three lawns, terraced off in steps, and each has been annexed by a particular thrush family, which holds it stoutly against all comers. It is a curious sight in spring, when the nestlings are young, to see the parent birds going carefully over the ground--surveying it in squares, as it were--the cock a little in front, the hen hopping after him at some distance on one side, and making sure that not an inch of the superficial area remains unhunted. They eat many snails, too, breaking the shells against big stones; and they hunt for slugs now and then in the moist ditch by the roadway. While the nestlings are unfledged the industry of the elder birds is ceaseless; for they lay in early spring, and have to rear their young while food is still far from cheap or abundant. And, oh! but it is a gruesome sight to see them teaching the young idea of their kind how to tackle a worm--how to drag him from his burrow, ring after ring, as he struggles, to chop him up and mangle him till resistance and escape are absolutely hopeless, and then to devour him piecemeal. But in autumn the fierce heart of the carnivore softens; worms being then scarce, he condescends to berries.

YES; there is no denying it--this is a shrike's larder! The poor small beasts impaled here must have been hung upon thorns by that cruelest of executioners. The hoard belongs, I think, to a red-backed shrike, whom I have seen more than once flitting through the trees of this copse on the hillside; for the great grey shrike has gone long since--he comes to us only as a winter visitor in the hardest seasons--while woodchats and smaller grey shrike hardly occur at all in this out-of-the-way district. Indeed, the red-backed bird is the only true-born Briton of the entire family; he alone nests and rears his young here regularly. Butcher-birds, the gamekeepers call them, and well they deserve the title; for they catch and spit alive on the thorns of their larder all the bumble-bees and beetles, all the field-mice and robins they can swoop down upon and surprise from their bosky ambush. Cruel and ruthless birds, they seize whatever they can hold; but, instead of killing and eating their prey at once, they keep it deliberately alive as long as possible, on the stout thorn of a sloe-tree. Look at that poor shrew-mouse, for example, wriggling feebly on his stake, which the cunning bird has so managed to intertwine among the twigs as to make escape impossible; he must have been hanging there in torture for a week by his look, but the shrike will not eat him till the last possible moment, unless so minded. And that poor lizard, again, with his wonderful tenacity of life; he may have been impaled for a fortnight, yet the skin on his ribs still rises and falls with a faint breathing action. More merciful than nature, we will put him out of his pain; though, after all, what good have we done by it? The shrike will catch another to replace him.

We talk of beautiful instincts and beautiful adaptations, so I suppose we may also talk of hateful ones; and this instinct of the shrike's is decidedly hateful. Yet such conduct is the rule in the world of animals: each species thinks only of its own comfort and pleasure; none takes the slightest heed of the pains of others. As Tennyson put it long ago--

"Nature is one with rapine, a harm no preacher can heal; The mayfly is torn by the swallow, the sparrow spear'd by the shrike, And the whole little wood where I sit is a world of plunder and prey."

Assuredly no creature is worse in this respect than our red-backed butcher-bird. Yet he is a handsome wretch, for all that, especially in his beautiful and delicate spring plumage, when he first returns to us from his African winter quarters--chestnut and reddish brown above, melting into dainty grey-blue about the head and neck, not unrelieved by bold patches of pure black and pure white on the tail and forehead. Moreover, strange to say, he is an accomplished musician. But there is an ugly look about him, none the less, for all his fine song and all his fine feathers. He has a cruel, falcon-like expression of face; and any one who has ever seen him engaged in calmly spiking a harvest-mouse or a frog on a thick spine of blackthorn, without the faintest regard to his helpless victim's writhing, cannot fail to recognize the evil element in his eye, whenever he gives one the rare chance of viewing him.

Old-fashioned ornithologists used to think the shrikes were related to the birds of prey; and, indeed, they do somewhat resemble the smaller hawks in external features. But the likeness is purely superficial and adaptive--curved bill, strong talons, hard bristles on the beak, the keen eye of the hunter: it is the kind of similarity that must always exist among animals whose mode of life is closely similar. We know nowadays that structure depends upon habit, not habit upon structure. If you take to earning your living by rapine, you will acquire certain traits of strength and keenness inevitable in predatory forms; and that is why the shrikes, which are related by descent to the wrens and thrushes, have grown to resemble in external conformation the sparrowhawks and kestrels.

On the rare occasions when you do catch sight of a shrike, he is usually seated, half in ambush, on some perch in a tall hawthorn, or even openly on the telegraph-wires that cross a patch of likely hunting country. There he peers about and watches with his keen hazel eyes till mouse, frog, or lizard, bee, beetle, or dragon-fly, stirs in the meadow beneath him. Then, swift as thought, he swoops down upon his quarry from his invisible seat, not hovering and casting a telltale shadow like the hawk, but waiting his chance unseen under cover of the thicket. His favourite food, indeed, consists of bees and other soft-bodied insects; these he generally eats at once, returning forthwith to his perch and his peering. But if he catches any bigger prey, such as a frog, a field-mouse, a tomtit, or a partridge chick, he flies off with it to the larder, and there spears the wretched victim on a stout sharp spine, to devour it at his leisure. Even beetles and dragon-flies he will sometimes keep in stock, especially if his appetite is assuaged for the moment. Nevertheless, the butcher-bird is in the main an insect-eater; he is commonest on warm sandy soils, like that of these Surrey moors, where bumble-bees and cockchafers abound, and enable him to make an easy living. Indeed, all beasts and birds are mostly regulated in their distribution by the abundance or scarcity of their food or prey. Shrikes have, doubtless, no native objection to cold thick clay, as such; but bees being rare on moist soils, and field-mice or lizards still rarer, the shrike learns to avoid damp, chilly bottoms as herbivores avoid a dry desert country.

STROLLING across the moor in the sunshine to-day, past the lonely pine where the night-jar sits crooning to his lady-love in the twilight, I came suddenly across his grey mate herself, and saw her flutter up sleepily in dazed surprise from the bare ground where she was sitting. As she flapped her mottled wings and sailed slowly away, like a blinking owl disturbed in the daytime, I noticed that I had lighted unawares upon her nest, or rather, her eggs, for she lays them on the open, without bed of any sort. I left them untouched, for I am no collector. A few minutes later, I came abreast of the low cliff where the sand-martins have established their twittering colony. The soft yellow sandstone that forms the cutting is honey-combed with their tunnels; and as I leaned on my stick and looked, I saw the busy brown birds gliding in and out, with their long curved flight, and carrying back mouthfuls of gnats and mayflies to their fledgelings in the burrows. It was beautiful to watch them swooping in great arcs over the gorse and bracken, and then darting straight, with unerring accuracy, to the mouth of their tunnels. They alight at the very door with all the skill of born pilots, never missing or overshooting the mark by one inch, but steering upon it so truly that they look as though failure or miscalculation were impossible.

These two little episodes coming together set me thinking; 'tis a bad habit one indulges in when one walks too much alone in the open. In towns one doesn't think, because the shop-windows, and the horses, and the noise, and the people, and the omnibuses distract one; but in the country, one gives way a great deal too readily to what Plato calls the "divine disease" of thinking. I began to philosophize. How curious, I said to myself, that we have but five kinds of bird in England that hawk on the wing after insects in the open; and of all those five, not one builds a proper respectable nest, woven of twigs and straws, like a sparrow or a robin! Every one of them has some peculiar little fancy of his own--goes in for some individual freak of originality. The night-jar, which is the simplest and earliest in type of the group, lays its eggs on the bare ground, and rises superior in its Spartan simplicity to such petty luxuries as beds and bedding. The swift, that ecclesiologically-minded bird, which loves the chief seats in the synagogue, the highest pinnacles of tower or steeple, gums together a soft nest of floating thistle-down and feathers, by means of a sticky secretion from its own mouth, distilled in the last resort from the juices of insects. The swallow and the house-martin, again, make domed mud huts, and line them inside with soft floating material. Finally, the sand-martin excavates with its bill the soft sandstone of cliffs or roadside cuttings, and strews a bed within for its callow young of cotton-grass and dandelion parachutes.

Why this curious variety among themselves, and this equally curious divergence from the common practice of bird-kind in general? Clearly, thought I, it must bear some definite relation to the habits and manners of the birds which exhibit it. Let me think what it means. Aha, aha, eureka! I have found it! The insect-hawking birds are not a natural group; by descent they have nothing at all to do with one another. Closely as the swift resembles the swallow in form, in flight, in shape of bill, in habits and manners, we now know that the swift is a specialized woodpecker, while the swallow and the martins are specialized sparrows. The swift and the night-jar belong to one great family of birds; the swallow, the house-martin, and the sand-martin to another. The likeness in form and in mode of flight has been brought about by similarity in their style of living. Two different birds of two different types both took, ages since, to hawking after flies and midges in the open air. Each group was thus compelled to acquire long and powerful wings, a light and airy body, a good steering tail, a wide gape of mouth, and a rapid curved flight, so as to swoop down upon and catch its petty prey unsuspected. So, in the long run, the two types which hawk most in the open, the swifts and the swallows, have grown so like that only by minute anatomical differences can we refer the remoter ancestry of one species to the woodpeckers and humming-birds, and the remoter ancestry of the other to the tits and sparrows.

How does their manner of life affect their mode of nesting, however? Indirectly, in this way. Birds that live largely off seeds and fruits and hard-shelled beetles, have hard short beaks to grind their food with, and sit much in thickets, scrub, or hedgerows. But birds that hawk on the wing after small soft flies must have wide soft bills, and a gaping mouth; they can hardly perch at all on trees or bushes, and their feet are too weak to be of much use for walking. Indeed, if a swift once alights on the ground, he can scarcely get up again, so difficult is it for the long wings to work in a narrow space, and so slight a power of jumping have the feeble little legs. Hence it follows that birds of the hedgerow type can readily build nests of twigs and straws, which they gather as they perch, or seek on the ground; and they are enabled to weave them with their hard bills and active feet; while birds of the hawking type cannot pick up sticks or gather straws on the ground, and have beaks quite unadapted for dealing with such intractable materials. The consequence is they have been compelled to find out each some new plan for itself, and to build their nest out of such stray material as their habits permit them.

The night-jar, a stranded nocturnal bird of early type, with very few modern improvements and additions, solves the problem in the easiest and rudest way by simply going without a nest at all, and laying her eggs unprotected in the open. Nocturnal creatures, indeed, are, to a great extent, the losers in the struggle for existence; they always retain many early and uncivilized ways, if I may speak metaphorically. They are the analogues of the street arabs who sleep in Trafalgar Square under shelter of a newspaper. The sand-martin, an earlier type than the swallow or the house-martin, burrows in sandstone cliffs, which are pre-human features, though man's roads and railways have largely extended his field of enterprise. But the house-martin and the swallow, later and far more civilized developments, have learned to take advantage of our barns and houses; they nest under the eaves; and being largely water-haunters, skimming lightly over the surface of ponds and lakes, they have naturally taken advantage of the mud at the edges as a convenient building material. Last of all, the soaring swift, the most absolutely a?rial type of the entire group, unable to alight on the ground at all, has acquired the habit of catching cottony seeds, and thistle-down, and floating feathers in his mouth as he flies, and gumming them together into a mucilaginous nest with his own saliva. The Oriental sea-swifts have no chance of finding even such flying materials among their caves and cliffs, and they have consequently been driven into erecting nests entirely of their own inspissated saliva, without any basis of down or feathers. These are the famous edible birds'-nests of the Chinese; they look like gelatine, and they make excellent soup, somewhat thick and gummy.

THE old Crouch Oak on Walford Green is one of the sights of Surrey. It raises its gnarled and hollow trunk in the centre of the Ploy-Field, an ancient common meadow, and though decayed in its heart, is reckoned still among the principal bounds of Ringmer Forest. Its girth at the height of a man's arms is over twenty feet. Beneath its spreading branches stands an upright stone of immemorial antiquity, which only the righteous wrath of a local archaeologist succeeded in preserving a few years since from the modern desecration of a Jubilee inscription. This close combination of sacred tree and sacred stone is frequent and significant; it occurs all the world over, from Britain to the New Hebrides; it is found in India, in Syria, in Germany, in Ceylon, in civilized Rome, in barbaric New Guinea. Wherever the sacred tree spreads its brooding circle of welcome shade, there under its huge boughs the sacred stone bears witness to antique or still surviving rites of human sacrifice.

The history of these ancient trees, so far as we can reconstruct it from the piecemeal evidence, is picturesque and singular. Originally, I believe, they were planted as saplings over the barrow or tumulus of some barbaric chieftain; not a few of them, indeed--like the King's Oak at Tilford, near Farnham--still retain some title which recalls their royal or funereal origin. The sacred stone, which in every case seems once to have stood under their dense shade, was doubtless at first the standing-stone or gravestone of the buried chief; though later it probably served as an unhewn altar for the village sacrifices, like that offering of the lamb which till recent years was still torn to pieces on an anniversary festival in the Ploy-Field at Holne, in Devonshire. Every year, in point of fact, the people of each village used once to perambulate their bounds, as at the Roman Terminalia, and offer up at each holy tree and each terminus stone, which formed the main landmarks, a human sacrifice. The victims were usually boys--most probably captives from neighbouring tribes or villages; failing that, they were "bought with a price" within the tribe itself from their unnatural parents. Traces of these customs survive all the world over, while the practice itself is closely bound up with the worship of Terminus and other boundary spirits. In later and milder days, however, though the habit of beating the bounds survived, the incidents that accompanied it were considerably mitigated. The ceremony at first was essentially an exorcism, or driving of evil spirits beyond the village limits; and the boys seem to have been slaughtered as boundary guardians, in order that their ghosts might protect and maintain the local frontier. They were also scourged before being put to death, after a common superstition, so that their tears might act as a sympathetic rain-charm. But in later Christian days it began to be felt that to read the Gospels under the sacred oak of the boundary would sufficiently drive away all evil influences; and though the boys were still beaten at each terminus as a rain-charm, the meaning of the incident was so wholly forgotten that it was commonly interpreted as a means of impressing the boundaries on their memories--a foolish gloss of the usual fatuous eighteenth-century rationalizing type. Thus the Gospel Oak at Cheriton is now only remembered as the tree under which the Gospel was read at the perambulation of the bounds; the Crouch Oak at Addlestone has sunk into a prosaic legal boundary-mark of Windsor Forest; and the Twelve Apostles at Burley, near Ringwood, now reduced to five, have been finally Christianized out of all recognition, so that I cannot even conjecturally reconstruct their original dedication to some ancient Celtic or Teutonic deities.

LIKE Mr. Chamberlain, I too am an orchid-grower. I own three acres on a heather-clad hilltop, and no small proportion of that landed estate is "down under orchids." Not that I mean to say the species I cultivate, or rather allow to grow wild, on my wild little plot would excite the envy of the magnate of Highbury. They are nothing more than common English spotted orchids, springing free and spontaneous among the gorse and heather. But, oh! how beautiful they are! how much more beautiful than the dendrobiums and cattleyas, the flowering spiders and blossoming lizards of the rich man's hothouse! How proudly they raise their tall spikes of pale bloom, true sultanas of the moorland! how daintily they woo the big burly bumble bees! how gracefully they bend their nodding heads before the bold south-west that careers across the country! They seem to me always such great regal flowers, yet simple with the simplicity of the untrodden upland.

From the tuber, in early spring, start the pretty lance-shaped leaves--green, dappled with leopard spots of some deep brown pigment. The use and meaning of these beautiful spots on the glossy green foliage no one has yet deciphered; it remains as one of the ten thousand insoluble mysteries of plant existence. That is always so in life. We tell what we know; but what we know not, who shall count it or number it? Yet the flowers, after all, are the true centre of interest in the English orchid. Thirty of them in a spike, pale lilac or white, all starred and brocaded with strange flecks of purple, they rank among the most marvellous of our native flowers in shape and structure. The long spur at the back is the factory and reservoir for the abundant honey. The face of the blossom consists of a broad and showy lip, the flaunting advertisement to bee or butterfly of the sweets within; it is flanked by two slender spreading wings, above which a third sepal arches over the helmet-like petals. Beneath this hood, or dome, in the centre of the column, the club-shaped pollen-masses lie half concealed in two pockets, or pouches--dainty little purses, as it were, like fairy wallets--slit open in front for the bee's convenience. The base of the pollen-masses is sticky or gummy; and they are so arranged, of set purpose, in their pouches, that the moment the bee's head touches them, they cling to it automatically, by their gummy end, and are carried off without his knowledge or consent to the next flower he visits. But if you want to see exactly how this pretty little drama of plant life is enacted, you need not wait, as I have often done, silent on the heath for half an hour together, till some blustering bumble bee bustles in, all importance. It suffices for demonstration just to pick a spike and insert into the mouth of the honey-spur a stem of grass, which does duty for the bee's head and proboscis, when straightway "the figures will act," as they say on the penny-in-the-slot machines, and the pollen-masses will gum themselves by automatic action to the imaginary insect.

The reason for this curious and highly advanced device is that orchids are among the plants most absolutely specialized for insect-fertilization. Most species of orchid, in fact, can never set their seeds at all without the intervention of these flying "marriage priests," as Darwin quaintly called them. If left to themselves, the flowers must wither on their virgin thorn unwed, and no seed be set in the twisted ovary. But when the bee goes to them in search of honey, the pollen-masses gum themselves to the front of his head, though just at first they point upward and inward. Then, after a short time, as he flies through the air, they contract in drying, and so point forward, in the direction in which he will enter the next flower he visits. This brings the pollen directly into contact with the sensitive cushion or pad of the ovary in the flower so visited, and thus results in the desired cross-fertilization. For the ovary, too, is gummy, to make the pollen stick to it.

A roundabout way, you think, to arrive, after all, at so simple a conclusion? Well, that is the habit of Nature. And again, bethink you, good, easy-going human being, how great are the difficulties she has to contend with, especially in the case of the plant creation. Put yourself in the orchid's place, and you will see the reason. For remember how absolutely fixed and limited are plants, each rooted to the soil in a single small spot, each tied by strict conditions of rock, and water-supply, and air, and wind, and sun, and climate, from which none can escape, try they all their hardest. The opposite sides of a road are to them as the two poles, one with a sunny and southward-looking bank, the other with a cold and forbidding northern aspect; so that what flourishes apace on the first would shiver and die of chill winds on the second. Remember, too, that, save in the mildest degree, plants have no power of spontaneous or independent movement; they cannot stir from their birthplace, were it but for a single inch, nor move their own limbs save as the wind may sway them. Creatures thus narrowly and inevitably bound down must needs take advantage of the power of movement in all other kinds, wherever it will benefit them. Hence the use plants make of insects as common carriers of pollen; the use they make of birds as dispersers of seeds; the use they make of natural agencies, such as wind or stream, to waft winged thistle-down, to carry the parachutes of the dandelion and the willow, or to float the male blossoms of such water-weeds as vallisneria. Behold! I show you a mystery. The secret of the whole thing is that plants, being fixed themselves, must needs employ birds and insects as their Pickford vans--must rely on wind or stream for such casual services as wind or stream can easily afford them. Only in a few species can they effect anything like active movement for themselves, as one sees in the rooting runners of strawberries, or the wandering tubers of certain vagrant orchids, which spread far afield from last season's nesting-place. These are clever devices for securing fresh virgin soil--"rotation of crops," as the farmers put it.

EVERY Girton girl --every Girton girl knows that a well-conducted British oak "spreads its roots as far and wide through the soil beneath as it rears its boughs above toward the air of heaven." Every Girton girl is probably also of opinion that the British oak does this mainly or solely in order to fix itself by firm anchors in the soil--to withstand the battling winds and the constant pull of hostile gravitation. But what every Girton girl does not, perhaps, quite so confidently know is this--that, on the whole, the tips of the roots and the tips of the branches correspond roughly in situation with one another, so that if you were to unearth and expose the entire tree you would find it composed of two tolerably similar domes or hemispheres--one erect and a?rial, and one inverted and earth-bound, each occupying approximately equal areas, and each circumscribed by fairly equal circles.

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