This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
Bryonia. - Synonym. - Bryony. The root of Bryonia alba, and of Bryonia dioica Linne (nat. ord. Cucurbitaceae).
Central and Southern Europe.
In transverse sections about 5 cm. in diameter, the bark gray-brown, rough, thin, the central portion whitish or grayish, with numerous, small, projecting wood-bundles arranged in circles and radiating lines; fracture short; inodorous; taste disagreeably bitter.
Dose, 10 to 60 gr.; .60 to 4.00 gm.
Bryonia is an active hydragogue cathartic, which was formerly much employed, but has been superseded by jalap.