196 GEOLOGY OF OHIO. 



Cypripedium acaueE 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 O.," W. S. Sulliyant (Cat. 1840); Dayton, R. Buchanan (J. L. Rid- 

 dell, Syuop. 1885). 



Cypripedium parvifeorum 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^E 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^E. Iris Family 



488. IRIS Touru. Feower 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 eacustris 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. Beue-EYED Grass. 



Sisyrinchium anceps Cav. 



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



Sisyrinchium angustifoeium Mill. 

 Generally distributed. 



CVIII. Order DIOSCOREACE^. Yarn Family. 



490. DIOSCOREA Plumier. Yam. 

 Dioscorea vpeeosa L. Generally distributed. 



