VEGETABLE POWDERS 



439 



Fig. 148. PHYTOLACCA. Root. 



a. Parenchyma with crystal bearing cell. 

 &. Outer parenchyma. 



c. Parenchyma. 



d. Parenchyma with starch. 



e. Cork, lateral view. 



/. Porous duct and tracheids. 



g. Collenchyma. 



h. Starch and crystals. 



