VEGETABLE POWDERS 



351 



Fig. 102. GELSEMIUM. 



a. Parenchyma with starch. 



b. Epidermal tissue. 



c. Parenchyma. 



d. Tracheids and medullary ray. 



e. f. Tracheids. 

 g. Porous duct. 

 h. Parenchyma. 



