587. Silphium laciniatum.—Rosin Weed.

587. SILPHIUM LACINIATUM Linné.—ROSIN WEED. Habitat: United States. (Herb or root.) It has given good results in intermittent fevers, and in dry, obstinate coughs, its action being somewhat like grindelia.

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