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Capable of self-nourishment; -- said of all plants in which photosynthetic activity takes place, as opposed to parasitism or saprophytism.

The tendency of plant organs to grow in a straight line when uninfluenced by external stimuli.

produced or gathered in autumn; as, autumnal fruits; flowering in autumn; as, an autumnal plant. Thick as autumnal leaves that strow the brooks In Vallombrosa. Milton.

An instrument to measure the growth of plants. Goodale.

Being without veins or nerves, as the leaves of certain plants.

A plant of the genus Geum, esp. Geum urbanum, or herb bennet.

To fly, or navigate the air, in an aëroplane or heavier-than- air flying machine. [Colloq.]

A plant (Subularia aquatica), with awl-shaped leaves.

is wielded by a wooden helve or handle, so fixed in a socket or eye as to be in the same plane with the blade. The broadax, or carpenter's ax, is an ax for hewing timber, made heavier than the chopping ax, and with a broader and thinner blade and a shorter handle.

One of several imaginary lines, assumed in describing the position of the planes by which a crystal is bounded.

zontal circle. Azimuthal error of a transit instrument, its deviation in azimuth from the plane of the meridian.

, (Bot.) A plant with flowers shaped like buttons; especially, several species of Ranunculus, and the cornflower (Centaures cyanus) and globe amaranth (Gomphrena).

An aromatic plant of the genus Melissa.

An annual garden plant (Impatiens balsamina) with beautiful flowers; balsamine.

A plant of the family of grasses, and genus Bambusa, growing in tropical countries.

A perennial herbaceous plant of almost treelike size (Musa sapientum); also, its edible fruit. See Musa.

A space between elevated lines or ribs, as of the fruits of umbelliferous plants.

A genus (Actæa) of plants, of the order Ranunculaceæ, native in the north temperate zone. The red or white berries are poisonous.

antiasis incident to hot climates. -- Barbados nuts, the seeds of the Jatropha curcas, a plant growing in South America and elsewhere. The seeds and their acrid oil are used in medicine as a purgative. See Physic nut.

s are steeped in tanning. -- Bark stove (Hort.), a glazed structure for keeping tropical plants, having a bed of tanner's bark (called a bark bed) or other fermentable matter which produces a moist heat.