388 GEOUOGY OF OHIO. 



CLADOPHORA GLOMERATA Kg. 



Painesvilie, H. C. Beardslee, Cincinnati, G. B. Twitchell; Georgesville, E. E. 

 Boeue. 



15. ULOTHRIX Kg. 



ULOTHRIX FLACCIDA Kg. 



Painesvilie, H. C. Beardslee. 



ULOTHRIX SUBTILIS Kg. 



Cincinnati, G. B. Twitchell. 



ULOTHRIX SUBTILIS VABIABILIS Kg. 



Columbus, F. B. Eldridge. 



Ulothrix zonata ( W. & M.) Aresch. 



Cincinnati, G. B. Twitchell ; Columbus, W. A. Kellerman. 



16. CONFERVA Lk. 



Conferva bombycina Ag. 

 Granville, C. J. Herrick. 



Conferva glacialioides Wolle. 

 Painesvilie, H. C. Beardslee. 



Conferva rhypophila Kg. 



Granville, C. L. Payne, (Bull Den. U.) 



Conferva vulgaris Rabh. ( Microspora vulgaris Rab.) 

 Painesvilie, H. C. Beardslee ; Columbus, E. E. Bogue. 



Conferva vulgaris farlowii Wolle. 

 Painesvilie, H. C. Beardslee. 



17. VAUCHERIA DC. 



Vaucheria dichotoma Lyngb. 

 Cincinnati, G. B. Twitchell. 



Vaucheria dillwynii Ag. 



Painesvilie, H. C. Beardslee. 



Vaucheria geminata (Vauch.) DC. 



Painesvilie, H. C. Beardslee; Columbus, W. A. Kellerman. 



Vaucheria geminata racemosa Walz. 

 Columbus, F. B. Eldridge. 



Vaucheria sessilis (Vauch.) DC. 



Logau Co., Cedar Swamp (Urbana), Painesvilie, H. C. Beardslee; Cincinnati, 

 G. B. Twitchell. 



