VEGETABLE POWDERS 



511 



Fig. 186. SUMBUL. 

 a. Parenchyma. 

 6. Cork. 



c. Tissue below the cork, bearing reddish brown coloring matter. 

 cU Reticulate ducts. 

 e. Resin masses. 

 /. Very thin-walled, collapsed parenchyma. 



