252 Dog-Trotting for Orchids 



Continental Range— Vrom Greenland, Yakutat Bay and east- 

 ern part of Kadiak Island and vicinity of Sitka, Alaska, to 

 Fort Franklin ; southward to Pennsylvania and New Jersey ; 

 ■westward to Minnesota, Montana, Washington, New Mexico, 

 and California. This species is closely allied with the Tall 

 White Fragrant Bog-Orchis (//. dilatata). The latter, however, 

 is not constructed for self-fertilization. Several species oiHabe- 

 naria appear to intergrade with each other more or less 

 throughout their range. 



New England Range — Maine, common ; New Hampshire, 

 frequent; Vermont, abundant; Massachusetts, infrequent; 

 Rhode Island, not reported ; Connecticut, rare. 



6.-HABENARIA MEDIA (Rydberg) Niles, 1901-1903 ' 



Intermediate Bog-Orchis 



The specific name, media, refers to the intermediate form of 

 this species between H. hyperborea and H. dilatata. 



A tall bogland orchid, with fleshy roots. June-August. 



Flowers greenish-purplish, spike densely flowered ; it has 

 often been confused with H. hypberborea and H. dilatata, 

 which it closely resembles. Type specimen from Quebec. 

 Labellum lanceolate, entire, obtuse, slightly dilated at the 

 base ; spur exceeding the labellum, curved and obtuse. Sepals 

 ovate-oblong; petals lanceolate, obtuse. Stem 16 inches 2}^ 

 feet high, rather stout. Leaves lanceolate, acute. Seed-cap- 

 sule =/5 inch long. 



Continefttal Range — In bogs from Quebec, southward to 

 New York and New England. 



New Ejigland Range — There are no authoritative stations 

 reported as yet, although the author collected intermediate 

 forms oi H. hyperborea in Dimmick Swamp, Pownal, Vermont, 

 July, 1903, answering to Dr. Rydberg's descriptions of this 

 form. It is also reported by Marcus White and A. Le Roy 

 Andrews for Pownal Swamps'.'^ 



7.— HABENARIA DILATATA (Pursh) Hooker, 1814-1825 

 TAI.L White Northern Orchis 



The specific name, dilatata, refers to the dilated condition of 

 the labellum of this orchid. 



A tall slender or stout bogland orchid, with fleshy-fibrous or 

 tuberous roots. June 2d-August 23d. 



' Doubtfully reported for Hoosac Valley region, but should 

 be looked for wherever H. hyperborea grows. 

 'A. L. Andrews, Rhodora, 4: 79-81, 1902. 



