336 POWDERED VEGETABLE DRUGS 



88. (Fig. 95.) EUPATORIUM. Eupatorium. 

 Fl. ex. 30. 



Thoroughwort, Boneset, Indian sage, E. Durchwachsdost, Durch- 

 wachener Wasserdost, G. Herbe d'eupatoire perfoliee, Herbe a 

 d fievre, Herbe parfaite, Fr. . 



The flowering tops and leaves of Eupatorium perfoliatum L., 

 Composite. 



Rather pale yellowish green. 



Somewhat fragrant, hay-like. 



Quite bitter, slightly astringent. 



Vertical walls of upper and lower leaf epidermis thin, wavy. 

 Stomata on lower surface only. Many celled, rather thick-walled, 

 simple trichomes; bladdery glandular trichomes with single large 

 resin bearing end cell. Pappus fragments and pollen grains. 



Ash 7.5 per cent. 



Not generally adulterated. 



