Plate I.

Fig. 1. A branch of Datura Stramonium, the purple variety, with leaves and flowers.
Fig. 2. Stamens and style.
Fig. 3. Transverse section of the pericarp, showing the cells, receptacles and seeds.

This image is from Datura in American Medical Botany, Bigelow, 1817-1821.
(used in Rafinesque)