VEGETABLE POWDERS 



367 



Fig. 110. HAMAMEL1S. 



a. Lower epidermis. 



b. Upper epidermis. 



c. Sclerenchyma cell from leaf blade. 



c. Stellate trichome. 



d. Parenchyma with crystals. 



e. Parenchyma. 



/. Crystal bearing fibers. 



g. Prismatic crystals. 



h. Epidermis of leaf, upper. 



