Fig. 060. Epidermis from the lower surface

Fig. 60. Epidermis from the lower surface

of the leaf, showing the epidermal cells and the stomates, with the chlorophyll bodies in the guard-cells of the stomates.
(Drawn with the 1/4-in. objective, and the "C" eye-piece.)
This image is from Coptis in the Drugs and Medicines of North America.