252 ORCHIDACEAE 



Conn. Northwestern Litchfield Co., and rare in northern Middle- 

 sex Co. 



N. Y. Known only from the Catskills. 



N. J. Rare and local in Gloucester, Camden, Mercer, Somerset and 

 Union counties, increasing northward. 



Pa.. Luzerne, Monroe, Northampton, Chester and Delaware 

 counties, apparently not in the intervening territory. 

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



increasing northward. 117-204 days. Sea level-2,900 ft. 



6. B. psycodes (L.) Rydb. {Habenaria psycodes (L.) A. Gray). 



In meadows, swamps, and wet woods: Newf. to N. Car., 



Tenn. and Ind. 



Conn. Throughout, increasing northwestward. 



N. Y. Rare on L. I., elsewhere frequent, increasing northward. 



N. J. Rare and local from Gloucester to Monmouth counties north 



and west of the pine-barrens; thence increasing and common 



northward. 

 Pa. Luzerne, Monroe, Northampton, Lehigh, Berks, Bucks, 



Delaware and Chester counties. 



Tertiary, 0: Cretaceous, rare and local: Older Formations, 

 common and increasing northward. 117-204 days. Sea-level- 

 1,800 ft. 



7. B. peramoena (A. Gray) Rydb. {Habenaria peramoena Gray). 



In moist meadows: N. J. to 111., Va., Ala. and Tenn. Not 



common. 



N. J. Rare and local in Mercer, Monmouth, and Camden counties; 



Cape May Co. 

 Pa. Delaware and Chester counties. 



Tertiary, known only from Cape May Court House:* Cretaceous, 

 more common: Older Formations, limited to Delaware and Chester 

 counties in Pa. Not north of the moraine. 176-220 days. About 

 sea level. 



10. Pogonia Juss. 



Sepals and petals nearly equal and alike; lip bearded. 1. P. ophioglossoides. 



Sepals longer and narrower than the petals; lip not bearded. 2. P. divaricata. 



i. P. ophioglossoides (L.) Ker. In meadows and swamps: 

 Newf. to Ont., Fla., Kan. and Tex. 



Throughout the range, apparently always decreasing inland and 

 at higher elevations. 

 * See Introduction paragraph 33. 



