ASCLEPIADACEAE 511 



6. A. pulchra Ehrh. In moist fields and swamps: Me. to Minn. 



and Ga. 



Conn. Common along the coast, decreasing northwestward. 



N. Y. Common throughout L. I. and S. I., decreasing up the 



Hudson Valley to Putnam and Orange counties, not definitely 



known northward. 

 N. J. Throughout the state except the pine-barrens, increasing 



southward. 

 Pa. Northampton and Chester counties. 



Tertiary, unknown on Beacon Hill; common elsewhere: Cre- 

 taceous, common: Older Formations, decreasing northward. Pre- 

 dominating on the coastal plain. 159-220 days. Sea level-900 ft. 



7. A. amplexicaulis J. E. Smith. In dry fields, mostly in sandy 



soil: Me. to Fla., Minn., Kan. and Tex. 



Conn. Rare over most of the state, more common along the 



coast, except in Fairfield Co., than elsewhere. 

 N. Y. Common on L. I. and S. I. and up the Hudson Valley to 



northern Westchester Co., reported but not definitely known 



northward from Dutchess Co. 

 N. J. Very rare and local in Sussex, Morris, Passaic, Bergen and 



Hunterdon counties, thence increasing southward and becoming 



common in the pine-barrens. 

 Pa. Monroe, Luzerne, Bucks, Delaware and Chester counties. 



Tertiary, common: Cretaceous, less common: Older Formations, 

 decreasing northward. 141-220 days. Sea level-1,100 ft. 



8. A. intermedia Vail. Known only from Rosedale, L. I.; origin- 



ally cited as from Lawrence, L. I., but this was an error. 



9. A. exaltata (L.) Muhl. In thickets and woods: Me. to Minn., 



Ga. and Mo. 



Conn. Throughout the state, but not very common. 



N. Y. Rare on the north side of L. I., occasional on the south side; 



on S. I., thence increasing and becoming common northward. 

 N. J. Recorded in Burlington and Monmouth counties north and 



west of the pine-barrens, thence increasing, but not very common, 



northward. 

 Pa. Monroe, Lackawanna, Luzerne, Bucks, Delaware and 



Chester counties. 



Tertiary, 0: Cretaceous, very rare: Older Formations, increasing 

 northward. 117-220 days. Sea level-3,980 ft. 



