44 



i .... POLYMNIA, L. 



17.1. P. Canadensis, L. 



Rather rare. Smoke's Cr., W. Seneca. Erie Co.; near Lewis- 

 ton, Niagara Co. 



200. SILPHIUM, L. 



174. S. laciniatum, L. 



Spontaneous in gardens, Buffalo, and disposed to spread. I lardly 

 yet established. 



17-"i. S. trifoliatum, L. 



Attributed to Niagara Kails by Torrey. on the authority of Dr. 



Eddy, but not seen by us. 



201. AMBROSIA, Tourn. 



t7G. A. trifida, L. 



The var. integrifolia, near the bridge of the L. S. <N: M. S. R. R., 

 over Buffalo R., Clinton. 



177. A. artemisiaefolia, L. 



202. XANTHIUM, Tourn. 



47 s . H. strumarium, L. 

 479. II. spinosum, L. 



Rare. A "railroad weed," not lately seen, Buffalo. 



203. HELIOPSIS. Pers. 

 tSO. H. laevis, Pers. 

 4S1. var. scabra. Gray. 



204. ECHINACEA. Munch. 



I"-'. E. purpurea, Moench. (?) 



Very rare. A single plant was seen by Judge Clinton a mile or 

 two east from E. Buffalo station. Possibly E. angusti/olia, DC. 



205. RUDBECKIA, E. 



183. R. laciniata, L. 

 l-l. R. hirta, L. 



LEPACHYS, Raf. 



L. pinnata, Torr. and Cray. 



Rare. Collected in Chat. Co., on the shore of Lake Erie, by 

 Dr. //. /'. Sartwell. Not since reported. Probably not with- 

 in our territory. 



