Vol. 02. Bild 23. Euphorbia palustris 2.
This image is from Hayne's Darstellung und Beschreibung der Arzneigewächse, 2te Auflage, Zweiter Band, 1854, page _
A herbal distance course
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.