506 GENTIANACEAE 



N. Y. The Catskills of Ulster and Greene counties. 



N. J. Gathered at Budd's Lake, Morris Co., many years ago, not 



recently collected. 

 Pa. Monroe and Lehigh counties. 



Tertiary, o: Cretaceous, o: Older Formations, rare and local 

 northward. South of the moraine only in Pa. 117-179 days. 800 

 -4,020 ft. 



5. D. villosa (L.) Small. In shaded places: NT. J. and Pa. to Fla. 



and La. 



Known definitely only from Bridgeton, Cumberland Co., N. J., 

 and from Berks and Chester counties in Pa. Very local and the 

 distribution not understood. 



6. D. Porphyrio (J. F. Gmel.) Small. In moist pine-barrens: S. 



N. J. to Fla. 



The pine-barrens, but found also at Cape May, N. J. 



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

 o: Older Formations, o. 179-220 days. About sea level. 



5. Halenia Borck (Tetragonanthus S. G. Gmel.). 

 1. H. deflexa (J. E. Smith) Griseb. In moist woods and 

 thickets: Lab. to Mass., N. Y., Mich, and Ind. Terr. 



Known in our area only from Cochecton, Sullivan Co., N. Y., 

 which is north of the moraine, has a growing season of 147 days 

 and is within the drainage area of the Delaware River. It is at 

 about 900 ft. 



5. Obolaria L. 



1. O. virginica L. In rich woods and thickets: N. J. and Pa. 

 to Ga., III. and Tex. 



N. J. In Hunterdon, Essex, Somerset and Mercer counties, in- 

 creasing southward along the Delaware, to Salem Co. Unknown 

 elsewhere. 

 Pa. Rather common in Northampton, Bucks, Berks, Philadelphia, 

 Delaware and Chester counties. 



Tertiary, o: Cretaceous, rare along the Delaware: Older Forma- 

 tions, confined exclusively to the unglaciated portion of the Pied- 

 mont Plateau. 159-220 days. Sea level-600 ft. 



6. Bartonia Muhl. 



Corolla lobes oblong, abruptly tipped, erose. 1. B. virginica. 



Corolla lobes lanceolate, acute or acuminate, entire. 2. B. paniculata. 



