COMPOSITAE 613 



25. A. gracilis Nutt. In dry sandy soil: N. J. to Ky., Tenn. and 



N. Car. 



Known in our range only from the coastal plain of N. J. and pre- 

 dominating in the pine-barrens. 



Tertiary, common on Beacon Hill, rare elsewhere: Cretaceous, 

 rare. Older Formations, o. Not north of the moraine. 175-220 

 days. About sea level. 



26. A. Radula Ait. In swamps and low woods: Newf. to Del. 



Conn. Known only from Voluntown, East Hartford, Hamden and 

 New Windsor. 



N. Y. Rare on L. I. and S. I., unknown elsewhere. 



N. J. Very rare in Morris Co., unrecorded thence to Mercer, 

 Ocean, Camden, Gloucester and Salem counties, unknown else- 

 where. 



Pa. Monroe, Northampton, Delaware and Chester counties. 

 A rare species in our area. 



27. A. Herveyi A. Gray. In dry soil: E. Mass., Conn., R. I., and 



N.J. 



A very rare and local species, collected in our area only from 

 near Groton and Stratford, Conn., and Plainfield, N. J. 



28. A. nemoralis Ait. In sandy bogs: Newf. and Hudson Bay to 



N. J. and N. Y. 



Known in our area only from the pine-barrens of New Jersey.* 

 Formerly in Hudson Co. 



29. A. acuminatus Michx. Moist woods: Lab. to Ont., western 



N. Y. and in the mountains to Ga. 



Conn. Throughout the state, increasing northwestward. 



N. Y. Rare on the north side of L. I. and south of Jamaica; 



rare on S. I., increasing and common northward. 

 N.J. Bergen and Essex counties, increasing northward. 

 Pa. Throughout, except in Montgomery, Bucks, Delaware and 



Chester counties, apparently there wanting. 



Tertiary, 0: Cretaceous, 0: Older Formations, increasing north- 

 ward. Predominating north of the moraine. 117-210 days. 

 Sea level-4,020 ft. 



30. A. dumosus L. (A. Gravesii Burgess). Sandy soil, Me. to 



N. Y. and Ont., south to Fla., La. and Mo. 



Throughout our area, increasing southward; common along the 

 coast, occasional inland. 



* See Introduction paragraphs 36 and 38. 



