VEGETABLE POWDERS 



359 



Fig. 106. GOSSYPIUM. 



a. Bast. 



b Cells with reddish brown contents. 



c. Parenchyma. 



d. Cork, lateral view. 



e. Cork, vertical view. 

 /. Tracheids and ducts. 



g. Aggregate crystals of calcium oxalate. 



h. Starch granules. 



