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When young, the stems of this plant are erect and stout enough to support themselves; but as they lengthen they fall over and grow along the ground, unless supported by a stake or wire; they have numerous ridges, with clusters of hair-like spines, which are usually purplish.
The word capillarity is of Latin derivation, and signifies hair-like slenderness. The smaller the tube, or the nearer the edges of a vessel are brought together, the higher in proportion will the liquid rise above the level. An ascent of a liquid, due to capillarity, also takes place, where the liquid is placed between two separate bodies, as oil placed between two pieces of flat glass.
I may add here that we have found a piece of square tin the best thing for scraping down the trees, and that the hair-like fibre of the sago palm is an excellent thing for rubbing down the stems.
His arms, as well as his legs, were bowed in the most singular manner, and appeared to possess no flexibility whatever. To conceal this latter deficiency, which did not proceed from old age, he usually wore a wig formed of any hair-like material which presented itself occasionally the skin of a Spanish dog or American grizzly bear.
A very distinct and pretty plant is cultivated under the name at Kew; but there are, apparently, two different species under the same name the one being spiny and large in the stem; the other, which is here shown, having a small, compressed stem, 3 in. across, numerous compressed tubercles, and short, hair-like spines.
Their inner edges are furnished with numerous coarse hair-like processes, consisting of some of the constituent fibres of the horny plates which, as it were, fray out and the mouth is thus lined, except below, by a network of countless fibres formed by the inner edges of the two series of plates. This network acts as a sort of sieve.
Moreover, these leaves, lolling on the water as they do, have their mouths on the upper instead of the under surface. But the most remarkable fact of all is that many water plants have two entirely different types of leaves, one submerged and hair-like, the other floating and broad or circular.
His eyes were somewhat dull and watery, and he had a moustache of long, hair-like "feelers" that curled stiffly at the ends. When he tried to smile at them, he showed two rows of sharp, white teeth.
Our English Bladder-worts, as everybody knows, float in stagnant water on tangles of hair-like leaves, something like those of the Water-Ranunculus, but furnished with innumerable tiny bladders; and this raft supports the little scape of yellow snapdragon-like flowers. There are in Trinidad and other parts of South America Bladder-worts of this type.
Their bodies are slender, oblong, and resembling a canoe in shape; and when they sit lengthwise on a stem or blade of grass, their long, hair-like legs arranged straight before and behind them, it is difficult to detect them, so closely do they resemble a discoloured stripe on the herbage. A species of Tetragnatha with a curious modification of structure abounds on the pampas.
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