Fig. 94. Sanguinaria canadensis.
Sanguinaria rhizome, showing cross-section.
This image is from Bloodroot in Harding's Ginseng and Other Medicinal Plants, 1936.
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.