Al'Etris Farino'Sa, Colic Root (Starwort). Rhizome, official 1820-1870; United States. Perennial, .6-1 M. (2-3°) high; leaves radical, star-shape, 7.5-10 Cm. (3-4') long, 2.5 Cm. (1') wide; flowers white, as though dusted with meal; rhizome 2.5 Cm. (1') long, 3 Mm. (1/8') thick, upper side flattened, root whitish, taste amylaceous, bitter; contains starch, bitter principle. Used as tonic, diuretic, uterine tonic, emetic, purgative for colic, dropsy, chronic rheumatism; in decoction, fluidextract (dil. alc), tincture. Dose, gr. 5-10 (.3-.6 Gm.).