Nat. ord., Aristolochiacae.

Virginia Snake-root.

Characters. - A small roundish rhizome, with a tuft of numerous slender rootlets, about 3 inches long, yellowish, of an agreeable camphoraceous odour, and a warm bitter cam-phoraceous taste.

Part employed. - The rhizome.

Preparation. - Tincture.

armoracia, vide cochlearia armoracia.