323. ILEX OPACA Aiton.—HOLLY. (Leaves.) Petiolate, about 50 mm. (2 in.) long, leathery, smooth; inodorous; taste mucilaginous, bitter, and astringent. They contain a bitter principle, ilicin, and tannin. Demulcent, tonic, and emetic. Dose: 15 to 30 gr. (1 to 2 Gm.).
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.