690 REPORT OF STATE GEOLOGIST. 



S. angustifolium Mill. Blue-eyed Grass. 



Abundantly found throughout the State in moist, grassy places,, 

 usually in open fields and meadows. 



Flowers from May until September. 



Tippecanoe (Cunningham) ; Daviess (Clements) ; Putnam (Mac- 

 Dougal) ; Clark and Jefferson (Barnes)*; Noble (Van Gorder) ; 

 Franklin (Meyncke) ; Gibson and Posey (Schneck) ; Jay, Dela- 

 ware, Randolph, and Wayne (Phinney) ; Knox (Spillman); Steu- 

 ben (Bradner) ; Hamilton (Wilson) ; Fayette (Hessler) ; Vigo 

 (Blatchley) ; Wabash (Jenkins). 



ORCHIDACE.E. Orchid Family. 



CYPRIPEDIUM L. 



C. acaule Ait. Moccasin Flower. Stemless Lady's Slipper. 



Found only in the northern part of the State. It is of fair abund- 

 ance in the stations in which it occurs. It is found in dry shaded 

 places, but in our area is most abundant in dense tamarack swamps 

 on coarse soiled knolls. 



Flowers in May and June. 



Cass (Hessler) ; Noble (Van Gorder) ; Fulton (Blatchley). 



C. reginje Walt. Showy Lady's Slipper. 



(C. spectabile Salisb.) 

 Found in the northern counties in swamps and low grounds. 

 Rare in all of its stations. 



Flowers from June through September. 



Noble (Van Gorder) ; Kosciusko (Chipman) ; Marshall (Hessler) ; 

 Hamilton (Wilson) ; Lake and Porter; Steuben (Bradner). 



C. candidum Willd. Small, White Lady's Slipper. 



Found only in the extreme southwestern counties on the borders 

 of swamps. Of very occasional occurrence. 

 Flowers in May and June. 

 Gibson and Posey (Schneck) ; Steuben (Bradner). 



C. hirsutum Mill. Large, Yellow Lady's Slipper. 



(C. pubescens Willd.) 

 The most common species of the genus in the State. Found in 

 many counties, growing in woods and thickets in rich, dry soil. 

 Much more abundant than any other orchid. 

 Flowers in May and June. 



Tippecanoe (Cunningham) ; Cass and Fayette (Hessler) ; Frank- 

 lin .(Meyncke) ; Noble (Van Gorder) ; Monroe and Vigo (Blatch- 

 ley) ; Decatur (Ballard); Hamilton (Wilson); Steuben (Bradner). 



