244 Do^-Trotting for Orchids 



North Haven, Connecticut, and Mt. Toby, Massachusetts; 

 westward to Minnesota, the Great Lake region being the 

 centre of distribution. Limited between the 4oth-5oth parallels. 



New England Range — Maine, rather abundant; New Hamp- 

 shire, rare; Vermont, abundant; Massachusetts, rare; Con- 

 necticut, very rare. 



2.-CYPRIPEDIUM REGIN^ Walter, 1788 

 [Cypripedium spectabile Salisbury, 1791) 



White-Petaled, or Showy Lady's Slipper — Queen oe 

 The Moccasin-Fi^owers 



The specific name, regitics, refers to the queenly appearance 

 of the white-petaled flowers. 



Large bogland orchid, with fleshy-fibrous roots. Frequent. 

 June 1 5th -July 4th. 



Flowers, 1-4 terminal, large, showy, white, tinged with deep 

 pink or wine; the most beautiful species among our native 

 Cypripedimns. Labellum shoe-shaped, inflated, drooping 

 margins of the orifice inflected, crest deeply tinged with pink- 

 purple ; interior downy, ornamented with lines of deeper pur- 

 ple. Rarely pure white flowers occur. Sepals and petals 

 similar, pure white ; 2 lower sepals wholly united ; side petals 

 narrower than sepals. Stem, 1-3 feet high. Leaves, 5-7, alter- 

 nating to top of stem ; 3-7 inches long, clasping, 1-4 inches 

 wide ; 10-13 plaits ; strongly pubescent, produces poisonous 

 effect to susceptible people similar to that caused by Rhus. 



Continental Range— Vrom Nova Scotia southward to the 

 higher mountains of North Carolina, and Huntsville, Alabama ; 

 westward to Minnesota, Walhalla Mountains, North Dakota, 

 and the Barrens of Kentucky. 



New England Range— Maine, frequent ; New Hampshire, 

 frequent; Vermont, common; Massachusetts, common; Rhode 

 Island, no stations reported ; Connecticut, frequent. 



3.-CYPRIPEDIUM CANDIDUM Willdenow, 1805' 



Smael White Lady's Slipper— The Prairie Moccasin- 

 Feovv^ER 



The specific name, candidum, refers to the white labellum of 

 this species. 



Small, damp swamp-land orchid, with fleshy-fibrous roots. 

 Rare. May iith-June 29th. 



' Species not reported for Hoosac Valley region, although 

 reported for Connecticut. 



