THE COVERING TISSUES 



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PLATE 36. Nonglandular Plant Hairs. 



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

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

 . Absinthium leaves. (Simple, multicellular.) 



