PLATE 35 



4 



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.). 



