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A genus of endogenous plants growing in the North Temperate zone, and consisting of about eighty species. They are perennial herbs growing from a tuber (beside which is usually found the last year's tuber also), and are valued for their showy flowers. See Orchidaceous.

Any endogenous tree of the order Palmæ or Palmaceæ; a palm tree.

A genus of endogenous plants. See Screw pine.

ing the whole or part of the perianth petaline. Petaloideous division, that division of endogenous plants in which the perianth is wholly or partly petaline, embracing the Liliaceæ, Orchidaceæ, Amaryllideæ, etc.

of certain insects. It is capable of development without fertilization. See Illust. of Pædogenesis.

sey tea (see under Tea), the gromwell, the bloodroot, and the Lachnanthes tinctoria, an endogenous plant found in sandy swamps from Rhode Island to Florida.

A name given to many aquatic or marsh-growing endogenous plants with soft, slender stems, as the species of Juncus and Scirpus.

screws and other turned pieces from metal rods. -- Screw pine (Bot.), any plant of the endogenous genus Pandanus, of which there are about fifty species, natives of tropical lands from Africa to Polynesia; -- named from the spiral arrangement of the pineapple-like leaves. -- Screw plate, a device for cutting threads…

Any plant of the genus Carex, perennial, endogenous herbs, often growing in dense tufts in marshy places. They have triangular jointless stems, a spiked inflorescence, and long grasslike leaves which are usually rough on the margins and midrib. There are several hundred species.

self-division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. Segmentation cavity (Biol.), the cavity formed by the arrangement of the cells in segmentation or cleavage of the ovum; the cavity of the blastosphere. In the gastrula stage, the segmentation cavity in whi…

An American endogenous plant (Tradescantia Virginica), with long linear leaves and ephemeral blue flowers. The name is sometimes extended to other species of the same genus.

A genus of epiphytic endogenous plants found in the Southern United States and in tropical America. Tillandsia usneoides, called long moss, black moss, Spanish moss, and Florida moss, has a very slender pendulous branching stem, and forms great hanging tufts on the branches of trees. It is often used for stuffing mattr…

few or no ducts in the woody fiber, and the seeds naked. 2. Monocotyledons (called also Endogens). -- Seeds with single cotyledon. Stems with slender bundles of woody fiber not concentrically arranged, and with no true bark.} II. Cryptogamia.

A genus of endogenous plants, native to Australia, having a thick, sometimes arborescent, stem, and long grasslike leaves. See Grass tree.

Of or pertaining to a natural order (Xyrideæ) of endogenous plants, of which Xyris is the type.

A genus of endogenous herbs with grassy leaves and small yellow flowers in short, scaly-bracted spikes; yellow-eyed grass. There are about seventeen species in the Atlantic United States.

Of or pertaining to ginger, or to a tribe (Zingibereæ) of endogenous plants of the order Scitamineæ. See Scitamineous.