FLOWEBING PLANTS AND FEENS OF INDIANA. 693 



H. psycodes (L.) Gray. Purple-fringed Orchis. 



Fairly distributed throughout the State, growing in moist soils 

 either in woods or open places. Most frequently found in marshes. 



Flowers in July and August. 



Jay, Delaware, Randolph, and Wayne (Phinney) ; Clark (Baird 

 and Taylor) ; Jefferson (J. M. Coulter) ; Noble (Van Gorder) ; 

 Steuben (Bradner). 



H. peramcena Gray. Fringeless Purple Orchis. 



Quite plentiful in the southern counties in moist, open places. 

 Flower fragrant. 



Flowers in June and July. 



Jefferson (J. M. Coulter) ; Gibson and Posey (Schneck) ; Clark 

 (Baird and Taylor) ; Monroe and Vigo (Blatchley). 



POGONIA Juss. 



P. ophioglossoides (L.) Ker. Rose Pogonia. Snake-mouth. 



Somewhat abundant in the northern counties, growing in marshy 

 places and peat bogs. 



Flowers in June and July. 



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

 Lake (Hill) ; Steuben (Bradner). 



P. tbianthophoba (Sw.) B. S. P. Nodding Pogonia. 



(P. pendula Lindl.) 

 Found throughout the State in rich soil, usually in woods or 

 thickets. Frequent but not abundant. 

 Flowers in July and August. 



Noble (Van Gorder) ; Gibson and Posey (Schneck) ; Jefferson 

 (J. M. Coulter) ; Shriner Lake (Deam) ; Hamilton (Wilson) ; Fa- 

 yette (Hessler) ; Lake ; Steuben (Bradner). 



P. yerticillata (Willd.) Nutt. Whorled Pogonia. 



Found sparingly in southern and south central counties in damp 

 woods in rich soils. 



Flowers in June and July. 



Jefferson (Barnes) ; Monroe (Blatchley). 



ARETHUSA L. 

 A. BULB08A L. 



This distinctly northern form is found in the northwestern part 

 of the State, growing in marshes. 



Flowering specimens collected May 19. 

 Lake. 



