248 ORCHIDACEAE 



N. Y. Rare and local on L. I., S. I., the Bronx and Westchester 



counties, increasing and common northward. 

 N. J. Rare in Salem, Gloucester and Burlington counties and in 



Monmouth and Mercer counties exclusively north and west of 



the pine-barrens, thence increasing and frequent northward. 

 Pa. Monroe, Northampton, Berks.Chester and Delaware counties. 



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

 creasing northward. 117-204 days. Sea level-1,900 ft. 



The reported occurrence of Orchis rotundifolia Pursh has never been satisfactorily 

 established. 



4. Perularia Lind. 

 1. P. flava (L.) Farw. (Habenaria flava (L.) Gray). In moist 



soil: N. S. to Minn., south to Fla ., La. and Mex. 



Conn. Throughout, rare and local in the south, increasing north- 

 westward. 



N. Y. Rare and local on L. I.; common onS. I.; increasing north- 

 ward. 



N. J. Rare in Ocean, Monmouth and Middlesex counties, increas- 

 ing northward. 



Pa. Pike, Monroe, Bucks, Delaware arid Chester counties. 



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



common northward. 118-204 days. Sea level-2,680 ft. 



5. Coeloglossum Hartmann. 



1. C. bracteatum (Willd.) Pari. (Habenaria bracteata (Willd.) 

 R. Br.). In woods and meadows: N. S. to B. Col., south to 

 N. Car. and Neb. 

 Conn. Rare in New Haven and Middlesex counties, more common 



in the northern tier of counties, increasing northwestward. 

 N. Y. Recorded from but not definitely known on L. I., unknown 

 on S. I., rare in Westchester Co., increasing and common north- 

 ward. 

 N. J. Bergen, Passaic, Morris, Sussex and Warren counties, in- 

 creasing northwestward. 

 Pa. Pike, Monroe and Northampton counties. 



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

 ward. Not south of the moraine. 117-187 days. Sea level- 

 2,500 ft. 



6. Gymnadeniopsis Rydb. 



Lip entire; stigma with 2 appendages; stem several-leaved. 



Ovary not twisted; spur longer than the ovary; flowers white. I. G. nivea. 



Ovary twisted; spur shorter than the ovary; flowers orange. 2. G. Integra. 



Lip 3-toothed; stigma with 3 appendages; leaves I or 2. 3. G. clavellata. 



