PLATE 8 



CLUSTERED UNICELLULAR HAIRS 

 I and 2. European oak (Quercus infectoria, Olivier). 



3. Kamala (Mallotus philippinensis, [Lam.] [Muell.] Arg.). 



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



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



