614 COMPOSITAE 



31. A. salicifolius Lam. In moist soil: Me. and Ont. to Mass. 



and Fla., west to Mont., Mo. and Tex. 



Conn. Known only from Waterford, New London and Norwich. 



N. Y. L. I. and on S. I., thence increasing but not common north- 

 ward. 



N. J. Occasional in the northern counties. 



Pa. Northampton, Montgomery, Bucks, Philadelphia and Dela- 

 ware counties. 

 A rather scattered and local species apparently increasing 



westward. 



2)2. A. paniculatus Lam. In moist soil: N. B. to Ont. and Mont., 

 south to N. J., Va., Ky., La. and Kan. 



Throughout our range, except at Cape May, there not recorded; 

 rare or local southward on the N. J. coastal plain. Numerous 

 forms occur with the type. 



33. A. Tradescanti L. {A. agrostifolius Burgess). In fields and 



swamps: Ont. to Va., west to N. W. Terr., 111. and Minn. 

 Conn. Rare, so far known only from near Hartford, Stratford and 



Salisbury. 

 N. Y. Not rare on S. I., the Bronx and in Westchester and Orange 



counties, apparently wanting elsewhere. 

 N. J. Hudson, Bergen and Hunterdon counties, increasing but 



not common northward. 

 Pa. Luzerne, Northampton and Bucks counties. 



A rare and somewhat scattered species whose distribution is little 

 understood. 



34. A. Faxoni Porter. On moist cliffs: Me. and Vt. to Pa., Wise. 



and N. Car. 



Known, in our area, from Spring Valley, Rockland Co., N. Y. 

 and Gravesend and Wading River, L. I. 



35. A. ericoides L. In dry soil: Me. and Ont. to Fla., west to 



Wise, and Ky. 



Throughout the range in some of its many forms ; rare and perhaps 

 only adventive in the pine-barrens; increasing northward. 



36. A. depauperatus (Porter) Fernald. On serpentine barrens S. 



P. and W. Va. 



Known in our area only from the serpentine barrens in Delaware 

 and Chester counties in Pa. 



