VEGETABLE POWDERS 



389 



Fig. 121. IRIS VERSICOLOR. 



a. Parenchyma, resin cell. 



b. g. Hypodermal cells. 



c. Parenchyma, longitudinal view. 



d. Reddish brown cork cells. 



e. Reticulate duct. 

 /. Porous duct. 



g. Hypodermal cells. 



