Fig. 3. A. New (?) variety of kamala seen dry. B. The same seen in solution of caustic potash.
This image is from the article "Note on Kamala." in the American Journal of Pharmacy, 1884.
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.
http://www.henriettes-herb.com - Copyright 1995–2022 Henriette Kress.