195. Penthorum.—Virginia Stone-crop.

Botanical name: 
Penthorum sedoides

195. PENTHORUM.—VIRGINIA STONE-CROP. The herb of Pentho'rum sedoi'des Linné. Astringent, demulcent, and laxative, in diseases of the mucous membranes. Dose: 15 to 30 gr. (1 to 4 Gm.).

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