VEGETABLE POWDERS 



335 



Fig. 94. EUONYMUS. Root Bark. 



a. Parenchyma with starch granules and aggregate crystals of calcium oxalate. 



b, c. Cork tissue, top view and lateral view. 



d. Cork. 



e. Ducts and tracheids. 



/. Parenchyma with starch, longitudinal view. 

 g. Starch and crystals. 



