TYPES OF STOMA 
1. Under epidermis of short buchu (Barosma betulina, [Berg.] Bartling and 
Wendl., f.) showing stoma and deposits of hesperidin. 
2. Under epidermis of Alexandria senna (Cassia acutifolia, Delile) showing 
stoma and thick-angled walled surrounding cells. 
3. Upper epidermis of eucalyptus leaf (Eucalyptus globulus, Labill.) show- 
ing sunken stoma and slightly beaded walled surrounding cells. 
4. Under epidermis of belladonna leaf (Atropa belladonna, L.) showing 
stoma and wavy, striated, walled epidermal cells. 
