632. Hydraceum.

632. HYDRACEUM—A plaster mass of a blackish-brown color, occasionally used medicinally as a stimulant and antispasmodic. When warmed, it emits the odor of castor. It is an animal excretion found in Africa.

A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.