FLOWERING PLANTS AND FERNS OF INDIANA. 691 



C. parvjflorum Salisb. Small, Yellow Lady's Slipper. 



Found in a few counties in sparing numbers associated with 

 G. hirsutum, with which it intergrades. 



Flowers in May and June. 



Gibson and Posey (Schneck) ; Dearborn (Collins) ; Noble (Van 

 Gorder) ; Lake (Blatchley). 



ORCHIS L. 



O. spectabilis L. Showy Orchis. 



Throughout the State, growing in rich soils in woods or thickets. 

 In some of its stations it is quite plentiful. In many respects one 

 of the most attractive of the orchids. The flowers are pleasantly 

 fragrant. 



Flowering season, April and May. 



Tippecanoe (Cunningham) ; Clark (Barnes) ; Monroe and Vigo 

 (Blatchley) ; Putnam (MacDougal) ; Franklin (Meyncke) ; Jay, 

 Delaware, Randolph, and AVayne (Phinney) ; Jefferson (Barnes) ; 

 Dearborn (Collins) ; Noble (Van Gorder) ; Knox (Spillman) ; 

 Hamilton (Wilson) ; Steuben (Bradner) ; Fayette (Hessler). 



HABENARIA Willd. 



H. orbiculata (Pursh) Torr. Round-leaved Orchis. 



A form that has entered our flora from the north. It is found in 

 the northern part of the State in rich, shaded soils in sparing num- 

 bers. 



Flowers in July and August. 



Noble (Van Gorder). 



H. Hookeriana Gray. 



(R. Hookeri Torr.) 

 In the northern parts of the State associated with the preceding 

 species, from which it is not easily separable. 

 Flowers in July and August. 

 Noble (Van Gorder) ; Lake (Hill). 



H. hyperborea (L.) R. Br. Tall Leafy Green Orchis. 



Occasional in swamps and wet woods in the extreme northern 

 counties. 



Flowers in May and June. 

 Lake (Hill) ; Porter. 



