JULY. 325 
grow from one to several feet high; but one species, Cuzcus 
acaulis, does not raise itself from the ground, its flower and 
leaves being stemless. The species of both genera are 
found on waste barren ground, and the seeds, which are 
very numerous, are much eaten by birds, particularly the 
goldfinch and linnet. 
SYNGENESIA.  A®QUALIS. 
COROLLIFLORZ. ASTERACE. 
KUPATORIUM. (Hemp aerimony.) 
Generic Character. Jnvolucre oblong. Florets few. Seed- 
vessel with a rough or feathery awn. 
KUPATORIUM CANNABINUM. emp agrimony. At first 
view this plant would scarcely be supposed to belong to this 
class; but a near examination will prove that it is a com- 
pound flower. It grows in watery places, and on the banks 
of rivers, from three to four feet high, branched, with large 
opposite leaves, divided into three or five parts, each part 
being long, narrow, and deeply cut at the edges, the middle 
lobe being the largest. lowers very numerous, small, pale 
reddish-purple, in a thick crowded head, something similar 
