VEGETABLE POWDERS 



323 



Fig. 87. CUSSO. 



0. Lower epidermis. 

 6. Upper epidermis. 



c. Trichomes. 



d. Glandular trichome. 



e. Parenchyma. 

 /. Tracheids. 



g. Spongy tissue cells of leaf. 

 h. Spiral ducts. 



1. Pollen grains. 



