Al'etris farino'sa, Aletris, Star Grass, Unicorn Root, N.F. -- The dried rhizome and roots with not more than 5 p.c. of foreign organic matter, yielding not more than 10p.c. of acid-insoluble ash; United States -- southern pine-barrens. Perennial, .6-1 M. (2-3 degrees) high; leaves radical, star-shaped, 7.5-10 Cm. (3-4') long, 2.5 Cm. (1') broad; flowers white, as though dusted with meal (indumentum - farinosa). Rhizome, 2-4 Cm. (4/5 - 1 3/5') long, 5-10 Mm. (1/5- 2/5') thick, grayish-brown, circular stem-scars above, numerous tough, Wiry, flexuous roots on sides and beneath; fracture short; internally light brown, cortex 1 - 2 Mm (1/25 - 1/12') thick, twisted fibro-vascular bundles; odor slight, acetous; taste sweetish, bitter. Powder: Yellowish- brown - tracheae, lignified cells, parenchyma with starch grains, numerous calcium oxalate raphides, glandular hairs; contains starch, bitter principle. Uterine tonic, diuretic, emetic, purgative; chronic rheumatism, dropsy, colic. Dose: gr. 5 - 15 (.3 - 1 Gm.); 1. Fluidextractum Aletridis (diluted alcohol). Preps: 1. Elixir Aletridis Compositum, fldexts. - aletris, mitchella, helonias, caulophyllum, aa, 6.55 p.c.. + fldext, vibumum opulus 3.27p.c..; 2. Elixir Viburni Opuli Compositum, 7.5 p.c.. Decoction; tincture.