ORCHIDACEAE 249 



1. G. nivea (Nutt). Rydb. In pine-barren bogs: N. J. to Fla. 



and Ala. 



N. J. Bennett, Cape May Co. 



2. G, integra (Nutt.) Rydb. {Habenaria Integra (Nutt.) Gray). 



In wet pine-barrens: N. J. to Fla. and La. 



N. J. Rare and local in the pine-barrens of Monmouth, Ocean, 



Atlantic and Burlington counties; reported also in Cape May Co. 



Tertiary, not common: Cretaceous, o: Older Formations, o. Not 

 north of the moraine. 168-182 days. About sea level. 



3. G. clavellata (Michx.) Rydb. {Habenaria clavellata (Michx.) 



Spreng.). In wet or moist woods: Newf. to Minn., south to 



Fla. and La. 



Throughout the range. 



The European Gymnadenia conopsea R. Br. occurs in N. Am., so far as known, only 

 at Litchfield, Conn., as an adventive plant. 



7. Limnorchis Rydb. 



Lip lanceolate, slightly, if at all dilated at the base; flowers greenish or 



purplish. 1. L. hyperborea. 



Lip decidedly rhomboid-dilated at the base; flowers white. 2. L. dilatata. 



i. L. hyperborea (L.) Rydb. {L. huronensis (Nutt.) Rydb.; 

 Orchis huronensis Nutt.). In swamps: Greenland to Alaska, 

 N. Y., Conn., N. J., Pa. and Ore. 

 Conn. Tolland, Hartford and Litchfield counties, increasing 



northwestward. 

 N. Y. Dutchess Co., increasing in the Catskills. 

 N. J. Northern Bergen and Sussex counties. 

 Pa. Wayne Co. 



Tertiary, 0: Cretaceous, o: Older Formations, increasing at higher 

 elevations. Not south of the moraine. 117-153 days. 618- 

 1,900 ft. 



2. L. dilatata (Pursh) Rydb. {Habenaria dilatata (Pursh) Hook.). 

 In bogs and wet woods: N. S. to Sask., south to Me., N. Y. 

 and Ore. 

 Conn. Eastern Hartford Co. and in Litchfield Co., increasing 



northwestward. 

 N. Y. The higher Catskills. 



Tertiary, o: Cretaceous, 0: Older Formations, increasing at higher 

 elevations. Not south of the moraine. 117-153 days. 618- 

 3,600 ft. 



