COMPOSITAE 6l I 



Pa. Northampton, Lehigh, Philadelphia, and Bucks counties. 



A rare and local species whose distribution is little understood, 

 perhaps not specifically distinct from the preceding. 



13. A. novae-angliae L. In fields and along swamps: Que. to 



the N. W. Terr., south to S. Car., Mo., Kan. and Colo. 



Throughout the range, rare in the pine-barrens, increasing 

 northward. 



14. A. amethystinus Nutt. In moist soil: Mass. to southern 



N. Y., eastern Pa., 111. and Iowa. Perhaps a hybrid between 



A. novae-angliae X mulliflorus. 



Conn. Rare, but scattered irregularly over the state. 



N. Y. Very rare, and apparently confined to Westchester Co. 



and the Bronx. 

 Pa. Northampton and Bucks counties. 



A rare and very local species in our area. 



15. A. tardiflorus L. Along streams. N. B. to Pa. 



Known, in our area, only from northwestern Conn. 



16. A. puniceus L. In swamps: N. S. to Ont. and Minn., south 



to N. Car., Ohio and Mich. 



Common in some of its forms (firmus, Crawfordii, compactus, 

 etc.), or as to the typical species, throughout the range, except the 

 pine-barrens, there unknown. 



17. A. prenanthoides Muhl. In moist soil: Mass. to Wise., south 



to W. Va., Ky. and Iowa. 



Conn. Known only from southern Fairfield Co. 



N. Y. The Catskills of Greene and Ulster counties; reported from 



but not definitely known on L. I. 

 N. J. Sussex and Hunterdon counties; not recently collected. 

 Pa. Northampton, Bucks, Delaware and Chester counties. 



A rare and local species whose distribution is little understood. 



18. A. laevis L. Usually in dry soil: Me. and Ont. to Pa., La., the 



N. W. Terr, and Kan. 



Common throughout the range except the coastal plain in N. J., 

 there very rare near Camden; and unknown in the pine-barrens. 



19. A. concinnus Willd. Conn, to Pa., Va. and Ark. 



Known from near Meriden and Southington, Conn, and from 

 Luzerne Co., Pa.; Sussex Co., N. J. Very rare. Doubtfully dis- 

 tinct from A. laevis. 



