PLATE 36 



Longitudinal Sections of Endodermal Cells 



1. Sarsaparilla root (Smilax officinalis, Kunth). 



2. Triticum (Agropyron repens, L.). 



3. Convallaria (Convallaria i?iajalis, L.). 



4. Aletris (Aletris farinosa, L.). 



