Fig. 296. Ricinus communis.
a. Stamens. b. Anther. c. Stigmas. d. Capsule. e. Seed. f. Embryo.
This image is from Ricinus in Pereira's Elements of Materia Medica and Therapeutics, 1854.
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.