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An alkaloid, found in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge.

The rootstock or decumbent stem by which a hydroid is attached to other objects. See Illust. under Hydroidea.

nt of the genus Medeola (M. Virginica), a common in woods in the United States. The white rootstock has a taste like cucumbers. -- Indian currant (Bot.), a plant of the genus Symphoricarpus (S. vulgaris), bearing small red berries. -- Indian dye, the puccoon. -- Indian fig. (Bot.) (a) The banyan. See Banyan. (b) The…

(Sorghum Halepense), valuable in the Southern and Western States for pasture and hay. The rootstocks are large and juicy and are eagerly sought by swine. Called also Cuba grass, Means grass, Evergreen millet, and Arabian millet.

A colored, usually green, expansion growing from the side of a stem or rootstock, in which the sap for the use of the plant is elaborated under the influence of light; one of the parts of a plant which collectively constitute its foliage.

medicinal purposes. Licorice fern (Bot.), a name of several kinds of polypody which have rootstocks of a sweetish flavor. -- Licorice sugar. (Chem.) See Glycyrrhizin. -- Licorice weed (Bot.), the tropical plant Scapania aulcis. -- Mountain licorice (Bot.), a kind of clover (Trifolium alpinum), found in the Alps. It…

A white, silky, crystalline substance extracted from the thick rootstock of a species of pepper (Piper methysticum) of the South Sea Islands; -- called also kanakin.

ass (Bot.), a plant of the Sedge family (Cyperus rotundus, var. Hydra), which has slender rootstocks bearing small, nutlike tubers, by which the plant multiplies exceedingly, especially in cotton fields. -- Nut lock, a device, as a metal plate bent up at the corners, to prevent a nut from becoming unscrewed, as by jar…

A plant of the genus Iris (I. Florentina); a kind of flower-de- luce. Its rootstock has an odor resembling that of violets. Orris pea (Med.), an issue pea made from orris root. -- Orris root, the fragrant rootstock of the orris.

places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen.

n orchidaceous plant (Aplectrum hyemale) which flowers in early summer. Its slender naked rootstock produces each year a solid corm, filled with exceedingly glutinous matter, which sends up later a single large oval evergreen plaited leaf. Called also Adam-and-Eve.

Producing flowers from a rootstock, or apparently from a root.

Having perennial rootstocks or bulbs, but annual flowering stems; -- said of all perennial herbs.

Having the nature or habit of a rhizome or rootstock.

A rootstock. See Rootstock.

The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion, or the sweet flag.

The rootstock of the bloodroot, used in medicine as an emetic, etc.

y. -- Seneca eil, petroleum or naphtha. -- Seneca root, or Seneca snakeroot (Bot.), the rootstock of an American species of milkworth (Polygala Senega) having an aromatic but bitter taste. It is often used medicinally as an expectorant and diuretic, and, in large doses, as an emetic and cathartic. [Written also Seneg…

A substance extracted from the rootstock of the Polygala Senega (Seneca root), and probably identical with polygalic acid.

ennial climbing plants, usually with a prickly woody stem; green brier, or cat brier. The rootstocks of certain species are the source of the medicine called sarsaparilla.