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.). 



