PLANT TISSUES 125 
Fic. 66.—Trichomes from different sources. 1, Unicellular non-glandular 
trichomes as seen growing out of epidermal cells of Senna; 2, uniseriate nonglandular 
trichomes of Digitalis; 3, unicellular stellate trichomes from Deutzia scabra; 4, 
unicellular twisted trichomes from lower epidermis of Eriodictyon; 5, clavate non- 
glandular trichomes from scraping of epidermis of the fruits of Rhus glabra; 6, 2- 
branched trichomes of Hygoscyamus muticus, a substitute for Henbane; 7, branched 
multicellular trichome of Marrubium; 8, glandular trichomes from strobile of 
Humulus (Lupulin) 9, glandular trichomes from leaves of Digitalis purpurea; 10, 
aggregate, non-glandular trichomes of Kamala; 11, lateral view (to left) and vertical 
view (to right) of glandular trichomes of Kamala; 12, vertical view (above) and pro- 
file view (below) of 8-celled glandular hair from Mentha piperita. All highly 
magnified. 
