horse and rider, and discomfits all followers not similarly gifted, the skilled crosser of them got his name, naturally, of 'moss-rider,' or moss-trooper. In which manner the moss of Norway and Scotland has been a taskmaster and Maker of Soldiers, as yet, the strongest known among natural powers. The lightning may kill a man, or cast down a tower, but these little tender leaves of moss--they and their progenitors--have trained the Northern Armies.
14. So much for the human meaning of that decay of the leaves. Now to go back to the little creatures themselves. It seems that the upper part of the moss fibre is {21} especially undecaying among leaves; and the lower part, especially decaying. That, in fact, a plant of moss-fibre is a kind of persistent state of what is, in other plants, annual. Watch the year's growth of any luxuriant flower. First it comes out of the ground all fresh and bright; then, as the higher leaves and branches shoot up, those first leaves near the ground get brown, sickly, earthy,--remain for ever degraded in the dust, and under the dashed slime in rain, staining, and grieving, and loading them with obloquy of envious earth, half-killing them,--only life enough left in them to hold on the stem, and to be guardians of the rest of the plant from all they suffer;--while, above them, the happier leaves, for whom they are thus oppressed, bend freely to the sunshine, and drink the rain pure.
The moss strengthens on a diminished scale, intensifies, and makes perpetual, these two states,--bright leaves above that never wither, leaves beneath that exist only to wither.
15. I have hitherto spoken only of the fading moss as it is needed for change into earth. But I am not sure whether a yet more important office, in its days of age, be not its use as a colour.
We are all thankful enough--as far as we ever are so--for green moss, and yellow moss. But we are never enough grateful for black moss. The golden would be nothing without it, nor even the grey.
It is true that there are black lichens enough, and {22} brown ones: nevertheless, the chief use of lichens is for silver and gold colour on rocks; and it is the dead moss which gives the leopard-like touches of black. And yet here again--as to a thing I have been looking at and painting all my life--I am brought to pause, the moment I think of it carefully. The black moss which gives the precious Velasquez touches, lies, much of it, flat on the rocks; radiating from its centres--powdering in the fingers, if one breaks it off, like dry tea. Is it a black species?--or a black-parched state of other species, perishing for the sake of Velasquez effects, instead of accumulation of earth? and, if so, does it die of drought, accidentally, or, in a sere old age, naturally? and how is it related to the rich green bosses that grow in deep velvet? And there again is another matter not clear to me. One calls them 'velvet' because they are all brought to an even surface at the top. Our own velvet is reduced to such trimness by cutting. But how is the moss trimmed? By what scissors? Carefullest Elizabethan gardener never shaped his yew hedge more daintily than the moss fairies smooth these soft rounded surfaces of green and gold. And just fancy the difference, if they were ragged! If the fibres had every one of them leave to grow at their own sweet will, and to be long or short as they liked, or, worse still, urged by fairy prizes into laboriously and agonizingly trying which could grow longest. Fancy the surface of a spot of competitive moss!
16. But how is it that they are subdued into that {23} spherical obedience, like a crystal of wavellite?[11] Strange--that the vegetable creatures growing so fondly on rocks should form themselves in that mineral-like manner. It is true that the tops of all well-grown trees are rounded, on a large scale, as equally; but that is because they grow from a central stem, while these mossy mounds are made out of independent filaments, each growing to exactly his proper height in the sphere--short ones outside, long in the middle. Stop, though; is that so? I am not even sure of that; perhaps they are built over a little dome of decayed moss below.[12] I must find out how every {24} filament grows, separately--from root to cap, through the spirally set leaves. And meanwhile I don't know very clearly so much as what a root is--or what a leaf is. Before puzzling myself any farther in examination either of moss or any other grander vegetable, I had better define these primal forms of all vegetation, as well
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