Heracle'um lana'tum, Cow-parsnip, Masterwort. -- The root, U.S.P. 1820-1850; United States. Plant 1.5-3 M. (5-10 degrees) high, 2.5-4 Cm. (1-1 3/5') thick, pubescent, hollow; root resembles parsley, disagreeable odor, acrid taste, fruit has each mericarp with 5 ribs and 6 vittae; contains volatile oil, resin. Stimulant, carminative; epilepsy, dyspepsia, warts, escharotic; in infusion, juice. Dose, 3ss-1 (2-4 Gm.).