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Shaped like a worm; as, a worm-shaped root.

Anything very bitter or grievous; bitterness. Lest there should be among you a root that beareth gall and wormwood. Deut. xxix. 18. Roman wormwood (Bot.), an American weed (Ambrosia artemisiæfolia); hogweed. -- Tree wormwood (Bot.), a species of Artemisia (probably Artemisia variabilis) with woody stems. -- Wormwood…

To root with the snout. See 1st Root. [Obs.] Chaucer.

One of three alkaloids found in the root of the yellow puccoon (Hydrastis Canadensis). It is a yellow crystalline substance, and resembles berberine.

eous plants of North America, including only the species Xanthorhiza apiifolia, which has roots of a deep yellow color; yellowroot. The bark is intensely bitter, and is sometimes used as a tonic.

A common plant (Dioscorea villosa) of the Eastern United States, having a hard and knotty rootstock. (b) An orchidaceous plant (Gastrodia sesamoides) of Australia and Tasmania.

An umbelliferous plant (Carum Gairdneri); also, its small fleshy roots, which are eaten by the Indians from Idaho to California.

In Porto Rico, any of several araceous plants or their starchy edible roots, which are cooked and eaten like yams or potatoes, as the taro.

wder on adding corrosive sublimate to limewater. -- Yellow puccoon. (Bot.) Same as Orangeroot. -- Yellow rail (Zoöl.), a small American rail (Porzana Noveboracensis) in which the lower parts are dull yellow, darkest on the breast. The back is streaked with brownish yellow and with black, and spotted with white. Calle…

othlike butterfly (Megathymus yuccæ) of the family Megatimidæ, whose larva bores in yucca roots.