PLATE 8 



Clustered Unicellular Hairs 

 i and 2. European oak {Quercus injector ia, Olivier). 



3. Kamala {MaUotus philippinensis, [Lam.] [Muell.] Arg.). 



4. Witch-hazel leaf {Hamamelis virginiana, L.). 



5. Althea leaf (Althcea officinalis, L.). 



