Sabba'tia angula'ris, American Centaury. -- The herb, U.S.P. 1820-1870; United States. Plant .3-.6 M. (1-2 degrees) high, stem branched above, square, smooth; leaves ovate, 2.5 Cm. (1') long, heart-shaped; flowers deep rose, central star greenish, wheel-shaped, 5-parted, bitter; contains bitter principle, fat, erythrocentaurin. Used as tonic, febrifuge, diaphoretic, rheumatism, sore throat, fevers. Dose, gr. 15-60 (1-4 Gm.). S. Elliot'tii, Quinine Flower; S. campes'tris, and Erythrae'a Centau'rium, European Centaury; all may be used similarly.