VEGETABLE POWDERS 



415 



Fig. 136. MENISPERMUM. 



a. Bast. 



6. Sclerenchyma cells. 



c. Large porous duct. 



d. Tracheids and medullary rays. 



e. Outer tissue with sclerenchyma cells (6). 

 /. Parenchyma (pith) with starch. 



g. Thick-walled porous cells. 

 h. Cork. 



