VEGETABLE POWDERS 



533 



Fig. 197. VERATRUM V1RIDE. 



o. Parenchyma cells with starch. 

 6. Raphides. 



c. Epidermal cells vertical view. 



d. Sclerenchyma cells of endoderm, transverse view. 



e. Ducts and tracheids. 

 /. Spiral duct. 



