Rootlets sentence example
Having arrived at the conclusion that the food of plants consists of minute particles of earth taken up by their rootlets, it followed that the more thoroughly the soil in which they grew was disintegrated, the more abundant would be the " pasture " (as he called it) to which their fibres would have access.
The roots also are affected, and instead of growing considerably in length, branch repeatedly and give rise to little tufts of rootlets.
This species usually constructs its nest on the bottom, excavating a hollow in which a bed of grass, rootlets or fibres is prepared; walls are then raised, and the whole is roofed over with the like material.
If the roots are examined numerous fusiform swellings are found upon the smaller rootlets.
The plant must be lifted with as little injury to its rootlets as possible, and carefully set into the hole, the soil being filled in round it, and carefully pressed close by the hand.Advertisement
The root bark is reddish-brown, thin and shrivelled, and there is an abundance of rootlets, which are technically known by the name of "beard."
The bark is thick and furrowed, and of a pale fawn colour internally; the rootlets are few, and the root itself is of larger diameter than in the other kinds.
Mexican sarsaparilla has slender, shrivelled roots nearly devoid of rootlets.
But these exceptional and dubious forms do not obtain nutriment by sending rootlets in a rhizocephalous manner into their patrons.
They are of similar structure in all known Calamarieae, the main roots having a large pith, while the rootlets had little or none.Advertisement
Their surface is studded with the characteristic scars of their appendages or rootlets, which radiated in all directions into the mud.
Petrified specimens of the main Stigmaria are frequent, and those of its rootlets extraordinarily abundant.
Some modern brachiopods have rootlets, but they spread out into soft sediment, just as plant roots do.
This fat growing evergreen develops long shoots with small adhesive rootlets.
The aerial rootlets on the shoots will attach themselves to any available support, including trees.Advertisement
When received, all surfaces were uniformly covered with a dense, fine sandy silt, with plant rootlets present over some areas.
The rootlets, which branched by dichotomy, contain a slender monarch stele exactly like that in the roots of Isoetes and some Selaginellae at the present day; they possessed, however, a complex absorptive apparatus, consisting of lateral strands of xylem, connecting the stele with tracheal plates in the outer cortex.
Readily increased by cuttings or portions of the root-stock, the bases of the stems being furnished with rootlets.
The branches cling to the wall by small rootlets, as in the Ivy, and when allowed to ramble at will are very grotesque, ascending trees or walls to a considerable height, and requiring no nailing and little attention.
Plants left in the sun or wind while others are being planted can dry out in minutes, damaging the fine rootlets.Advertisement
By cutting the sensory nerve rootlets that cause the spasticity, muscle stiffness is decreased while other functions are maintained.