VEGETABLE POWDERS 



331 



Fig. 91. ERIODICTYON. 



a. Trichomes. 



b. Upper epidermis. 



c. Lower epidermis. 



d. Glandular trichomes. 



e. Upper epidermis, lateral view. 



/. Parenchyma with crystals, longitudinal view. 

 g. Parenchyma. 

 h. Crystals. 



