97. Populus.—White poplar. American Aspen.
97. POPULUS.—WHITE POPLAR. AMERICAN ASPEN. The bark of Pop'ulus tremuloi'des Michaux. Tonic and febrifuge. Its active principle, populin, is analogous to the salicin of salix (96). Dose of fl'ext.: 30 to 60 drops (2 to 4 mils).
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.