284 POWDERED VEGETABLE DRUGS 



57. (Fig. 68.) CHIRATA. Chirata. 

 Fl. ex. 30. Tinct. 40. 



Chiretta, E. Ostindischer Enzian, Chiretta, G. Chirette, Fr. 



The herb of Swertia Chirata Hamilton, Gentianaceae. 



Dark grayish brown. 



Odorless. 



Extremely bitter. 



Leaves with stomata on lower surface only; vertical walls of 

 epidermal cells straight; no trichomes; numerous tracheids and wood 

 fibers. Some medium sized, spheroidal to elliptical, nearly smooth, 

 yellowish brown pollen grains. Histological elements of leaves, and 

 flowers rather indistinct. 



