VEGETABLE POWDERS 



345 



Fig. 99. GALLA. Aleppo. 



a. Sclerenchyma. 



&. Parenchyma with starch and tannin bodies. 



c. Parenchyma. 



d. Parenchyma with crystals. 



e. Tannin bodies. 

 /. Starch granules. 

 g. Spiral duct. 







