Fig. 206. Gentian.
- A, Rhizome portion. B, Root portion. (½ natural size.)
This image is from Gentiana in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.
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.