Vio'la tri'color, Pansy. -- Violaceae. The flowering herb, U.S.P. 1880; Europe, N. America, cultivated. Plant 10-30 Cm. (4-12') high, angular; leaves roundish, cordate; flowers variegated (yellow, whitish, blue, purplish); taste bitter; contains salicylic acid .1 p.c., bitter principle, resin. Alterative, expectorant; large doses emetic, cathartic; skin diseases, scrofula, syphilis, bronchitis, nephritis. Dose, gr. 15-60 (1-4 Gm.); in decoction, infusion, extract. V. peda'ta, Bird's-foot or Blue Violet. The herb and rhizome, U.S.P. 1820-1870; Europe, N. America. Plant acaulescent; leaves 3-5-divided; flowers bluish; rhizome 25 Mm. (1') long, 18 Mm. (3/4') thick, bitter, acrid. Used as the preceding.