VEGETABLE POWDERS 



303 



Fig. 77. COLCHICUM. Conn. 



o. Parenchyma with starch. 



b. Parenchyma, longitudinal view. 



c. Thick-walled, porous parenchyma. 



d. Spiral ducts. 



e. Starch granules. 

 /. Phloem tissue 



