VEGETABLE POWDERS 



401 



Fig. 128. LEPTANDRA. 



a. b. Parenchyma with resin and coloring matter. 



b. Parenchyma with starch. 



c. Parenchyma. 



d. Parenchyma, longitudinal view. 



e. Spiral duct. 

 /. Phtem tissue. 

 g. Tracheids. 



h. Epidermal cells of rootlets. 



26 



