Populus Tremuloides. (Poplar.)
Preparation.—Prepare a tincture from the fresh bark of the white poplar, in the proportion of ℥viij. to Alcohol 76° Oj. Dose ʒss. to ʒj.
This remedy is so common and may be so easily prepared, that it should come into more general use as a tonic and stomachic. It improves the appetite and strengthens digestion, exerting its influence more especially upon the upper intestine. It influences the urinary organs, but its action in this direction needs to be studied.