EUPATORIUM PERFOLlAtUM. 17 



ing waters and in low marshy situations, and is 

 sometimes seen to flourish near salt water. 

 In the state of New- York it is found very 

 abundantly, and grows from three to six feet 

 in height. 



Root, horizontal, fibrous, perennial. 



Stemy upright, hairy. 



Leaves, opposite, united at their base, ser- 

 rated, glowing narrower at their points, 

 rough, downy underneath, slightly de- 

 current. 



Foot stalk of the floiversy opposite, axilla- 

 ry, long, hairy. 



Flowers, compound, terminal, white. 



Seeds, oblong, feathery. 



This plant makes its appearance in the 

 neighbourhood of this city in May, it flowers 

 in July, and produces seed in September. 



The eupatorium perforatum has for some 

 time been well known to possess very active 

 medicinal virtues; though its use has been 



