190 GEOLOGY OF OHIO. 



Cypripedium acaule Ait. Stemless Lady's Slipper. 



Cleveland, W. Krebs; Lake Co., W. C. Werner; Lorain Co., A. A. Wright (Cat); 

 Licking Co., H. L. Jones (Cat.) ; Fairfield Co., E. V. Wilcox, S. Renshaw; Stark 

 Co., W. L. Crubaugh ; Rio Grande, W. W. Deckard. 



Cypripedium candidum Willd. Small White Lady's Slipper. 



"Central 0,"W. S. Sulliyant (Cat. 1840); Dayton, R. Buchanan (J. L Rid- 

 dell, Synop. J8H5). 



Cypripedium parvifxorum Salisb. Smaller Yellow Lady's Slipper. 



Lorain Co., A. A. Wright ( Cat.) ; Central O , W. S. Sullivant ( Cat.) ; Champaign 

 Co., Wm. C. Werner; Stark Co., Ella Keeler. 



Cypripedium pubescens Willd. Larger Yellow Lady's Slipper. 

 Not common, but distributed from Lake Erie to Southern Ohio. 



Cypripedium regin^S Walt. ( C. spectabile Swartz.) Showy Lady's Slipper. 



Licking Co., H. L. Jones ( Cat.) ; Champaign Co., Mrs. E. J. Spence; Cincinnati, 

 Jos. F.James (Cat.) 



CVII. Order IRIDACE^B. Iris Family. 



488. IRIS Tourn. FLOWER de Luce. 



Iris cristata Ait. Crested Dwarf Iris. 



Near Cleveland, W. Krebs ; Lorain Co., A. A. Wright (Cat.) ; Trumbull Co., R. 

 H. Ingraham; Franklin Co., W. C. Werner; Logan Co., W. A. Kellerman ; Law- 

 rence Co., A. D. Selby. 



Iris I.ACUSTRIS Nutt. Lake Dwarf Iris. , 



Hocking Co., J. M. Bigelow (J. S. Nswberry Cat.) 



Iris versicolor L. Larger Blue Flag. 



Generally distributed throughout the state. 



489. SISYRINCHIUM L. Blue-eyed Grass. 



SlSYRINCHIUM ANCEPS Cav. 



Lorain Co., A. A. Wright (Cat) 



SlSYRINCHIUM ANGUSTIFOUUM Mill. 



Generally distributed. 



CVIII. Order DIOSCOREACEJ3. Yam Family. 



490. DIOSCOREA Plumier. Yam. 

 DioscorEa vim,osa L. Generally distributed. 



