63. Rhamnaceae.—Buckthorn family.

Shrubs or small trees with simple leaves; branches somewhat spinescent. Flowers somewhat dioecious. Fruit an indehiscent, fleshy, winged drupe, with a hard, woody endocarp, or a pod not arilled.

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