308. MERCURIALIS ANNUA Linné.—MERCURY WEED. A European herb, employed from the most ancient times as a purgative and emmenagogue.
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.