PLATE VIII. 



Fiu. 102. 



Section of cellular parenchyma of Rush. 





Portion of the cuticle of the leaf of the Iris 

 Germanica, torn from its surface. 



FIG. 104. 



Cells from the petal of the Geranium 

 ( Pelargon ium). 



Cuticle of leaf of Indian Corn (Zea mais). 



