VEGETABLE POWDERS 



481 



Fig. 170. SARSAPARILLA. Honduras. 



a. Parenchyma cells, longitudinal view, filled with starch, also showing ra- 

 phides. 



b. Raphides. 



c. Epidermis, lateral view. 



d. Hypodermal bast or woody tissue. 



e. Epidermal cells, vertical view. 



/. Endodenn cells, longitudinal view. 

 g. Scalariform duct. 

 h. Tracheids. 



31 



