VEGETABLE POWDERS 



247 



Fig. 50. BUCHU. Short. 



a. Lower epidermis. 

 J>. Upper epidermis. 



c. Lower epidermis, lateral view. 



d. Upper epidermis, lateral view. 



e. f. Parenchyma. 

 g. Tracheids. 



h. Spongy tissue cells. 



i. Bast cells. 



j. Parenchyma, longitudinal view. 



k, Trichome. 



