THE COVERING TISSUES 



97 



Plate 36. — Nonglandular Plant Hairs. 



1. Arnica flowers. (Simple, multicellular, multiseriate.) 2. Coca leaf stem. 

 (Simple, unicellular.) 3.. Anthemis flowers. (Simple, multicellular, uniseriate.) 

 i. Absinthium leaves. (Simple, multicellular.) 



