PLATE 7 



UNICELLULAR SOLITARY HAIRS 



1. Chestnut leaf (Castanea dentata, [Marsh] Borkh). 



2. Allspice stems (Pimento, officinalis, Lindl.). 



3. Cowage. 



4. Yerba santa (Eriodictyon californicum, [H. and A.] Greene). 



5. Lobelia (Lobelia inflata, L-.). 



6. Cannabis indica (Cannabis saliva, L.). 



7. Anise fruit (Pimpinella anisum, L.). 



8. Hesperis matronalis (Hesperis matronalis, L.). 



9. Galphimia glauca (Galphimia glauca, Cav.). 

 10. Senna (Cassia angustifolia, Vahl.). 



