VEGETABLE POWDERS 



509 



Fig. 185. STROPHANTUS. 

 a. Epidermis, vertical view. 

 6. Epidermis and trichome, lateral or side view. 



c. Trichomes. 



d. Epidermis, transverse view. 



e. Endosperm tissue, showing oil and crystals. 



/. Outer tissue with granular proteid matter and starch. 



