Habeiiaria bracteata, (Wild.) R. Br. Long-bracted 

 Orchis. 



In damp woods in the Little Minnesota valley and in 

 the Black Hills. 



Habeiiaria leucopliaea, (Nutt.) A. Gray. Prairie White- 

 fringed Orchis. 



In low prairies in the Sioux valley near Brookings; 

 rare. 



Gyrostachys Roiiiaiizoffiaiia, (Cham.) MacM. Hooded 

 Ladies' Tresses. 

 Spiranthes Romanzoffiana, (Cham.) 



In low ground in the Sioux valley and in the Black 



Hills. 



Peramium repeiis, (L.) Salisb. Lesser Rattlesnake 

 Plaintain. 



Goodyera repens, R. Br. 

 In the Black Hills. 



Gorallorhiza Corollorhiza, (L.) Karst. Early Coral- 

 root. 



In woods in the Little Minnesota valley and in the 

 Black Hills. 



Corallorhiza multiflora, Nutt. Large Coral-root. 

 On shady banks in the Black Hills. 



DICOTYLEDONES. 



JUGLANDACE^B). Walnut Family. 



Jug-lans nigra, L. Black Walnut. 



Occurs native only in the southeastern part of the 

 state; Union county. 



