50 DISSERTATION ON THE 



liberally procured from every portion, though 

 it abounded in the leaves, is also apparent. 

 Hence we are warranted in the conclusion, 

 that this plant possesses active medicinal pro- 

 perties ; that many of them are similar to those 

 which characterize the cinchona officinalis, 

 the anthemis nobilis, and other valuable arti- 

 cles of the materia medica ; but that these vir- 

 tues reside in greatest quantity in the leaves.* 



As pharmaceutical preparations of this spe- 

 cies of the eupatorium, the following seem 

 to be more particularly deserving of recom- 

 mendation. The decoction of the flowers and 

 of the leaves ; infusions of the same parts ; 

 the leaves in substance, pulverized ; and a tinc- 

 ture of the flowers and of the leaves, prepar- 

 ed with proof spirits. This last form is the 

 most pleasant and convenient, and at the same 



* A contrary opinion is expressed by Dr. Barton, who 

 maintains, that the floAvers possess the most active proper- 

 ties ; but it is unnecessary to enter into a refutation of thie 

 point after the analysis which has been given. 



