PLATE 3 



Leaf Epidermis 



1. Upper striated epidermis of chirata leaf (Swertia chirata, [Roxb.] Ham.). 



2. Green hellebore leaf (Veratrum viride, Ait.). 



3. Boldus leaf (Peumus boldus, Molina). 



4. Under epidermis of India senna (Cassia angustifolia, Vahl.). 



