Fig. 301. Powdered Piments.
(X 183.) A, Stone cells. B, Starch. C, Spiral water tube. D, Epidermis. E, Trichomes. F, Aggregate crystals of calcium oxalate. G, Parenchyma. H, Parenchyma cells containing red color. See N. F., p. 329.
This image is from Drug Powders (also see Pimenta) in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.