Brauner'ia pal'lida, or B. Angustifu'lia, Echinacea, Pale purple Cone-flower, N.F. -- The dried rhizome and roots with not more than 3 p.c. of foreign organic matter; S. United States -- Kansas. Perennial herb; stem simple, naked above, single large head; leaves alternate, 3-5-nerved. Rhizome, with circular or angular pith, nearly entire; cylindrical, tapering twisted, 10-20 Cm. (4-8') long,, 4-15 Mm. (1/6-3/5') thick, brownish, annulate, occasional stem-scars, wrinkled, furrowed, fracture short, fibrous; bark 1 Mm. (1/25') thick; yellowish and black wood-wedges; odor faint, aromatic; taste sweetish, then tingling, as in aconite, but without its persistent, benumbing effect -- must not be used after it has lost its characteristic odor and taste. Powder, grayish -- many strongly lignified stone cells carrying characteristic carbon-like deposits, tracheae with pores and markings, inulin-bearing parenchyma tissue with oil or resin canals filled with brownish content, cork fibers; solvent: alcohol; contains acrid resin (activity) 1 p.c., alkaloid, ash 6 p.c. Diaphoretic, sialagogue, alterative; syphilitic and strumous conditions, eczema, chronic ulcers; Sioux Indians used fresh scraped root for hydrophobia, snake-bites, septicemia. Dose, gr. 15-30 (1-2 Gm.); 1. Fluidextractum Echinaceae (80 p.c. alcohol), dose, mxv-30 (1-2 cc.).