6lO COMPOSITAE 



8. A. Lowrieanus Porter. In woods: Conn, and southern N. Y. 



to Pa., Iowa, N. Car. and Ky. 



Conn. Known only from New Haven Co.; rare. 



N. Y. Occasional on L. I. and on S. I., thence increasing north- 

 ward to Orange, Rockland and Putnam counties, but not 

 recorded elsewhere. 



N. J. Middlesex, Essex, Union, Somerset, Warren, Passaic, 

 Hunterdon and Bergen counties. 



Pa. Luzerne, Monroe, Northampton, Lehigh, Schuylkill, Bucks 

 and Montgomery counties. More common here than elsewhere 

 in the range, often being replaced by the forms known as lanci- 

 folius and Bicknellii. 

 Tertiary, o: Cretaceous, very rare: Older Formations, scattered 



and apparently increasing westward. 123-197 days. Sea level- 



2,080 ft. 



9. A. sagittifolius Willd. In dry soil: N. B. to N. Dak., N. J., 



Ky., Kan. Rare in our area. 



Apparently wanting in Conn, and N. Y. The old S. I. record 

 was based on a specimen of A . cordifolius. Reported from but not 

 definitely known at Pine Plains, Dutchess Co., N. Y. 

 N. J. Morris, Warren, Hunterdon, Union, and Mercer counties. 

 Pa. Northampton, Lehigh, Bucks, Delaware and Chester 



counties. 



A western species, most frequent along the upper drainage area 

 of the Delaware River. 



10. A. undulatus L. (A. sylvestris, corrigiatus, triangularis, gracilens, 



loriformis and (?) claviger Burgess). In dry soil: N. B. and 

 Ont., south to Fla., Ala. and Ark. 



Common throughout the range, more common northward, and less 

 common in the pine-barrens than elsewhere. 



11. A. patens Ait. In dry open places: Mass. to northern N. Y., 



Minn., Kan., Fla., La. and Tex. 

 Common throughout the range. 



12. A. phlogifolius Muhl. In woods and thickets: N. Y. to Ohio, 



N. Car. and Tenn. 



N. Y. Apparently confined to L. I.,S. I., southern Rockland Co., 



and to Westchester Co. 

 N. J. Monmouth, Hunterdon, Hudson, and Morris counties; not 



in the pine-barrens. 



