72. Erythronium americanum.—Adder's tongue. Dog-tooth Violet.

Botanical name: 
Erythronium americanum

72. ERYTHRONIUM AMERICANUM Smith.—ADDER'S TONGUE. DOG-TOOTH VIOLET. Habitat: United States. (Leaves.) Alterative. Sometimes applied as a poultice to scrofulous tumors.

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