PLATE 35 



Cross-Sections of Endodermal Cells' of 



1. Sarsaparilla root {Smilax officinalis, Kunth), 



2. Triticum {Agropyron repens, L.). 



3. Convallaria {Convallaria majalis, L.) 



4. Aletris {Aletris farinosa, L.). 



