Serpent aria

(ser-pen-ta' -re-ah). Virginia Snakeroot. The roots of Aristolochia serpent aria, and A. reticulata. Its properties are due to a volatile oil, a camphor-resin, and a bitter extractive. It is a stimulant, tonic, and diaphoretic, promoting appetite and digestion. Itis used mainly as a vehicle for other medicines. S., Ext., Fid. Dose n. S., Infus. (B. P.) Dose gj-ij. S., Tinct., 10 per cent, in strength. Dose 3 -ij.