505. MANACA.—Portions of the root and stem of Brunfel'sia hopia'na Bentham, a Brazilian plant. Strongly recommended in chronic subacute rheumatism as a powerful alterative. Dose: 15 to 60 gr. (1 to 4 Gm.).
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.