ADDITIONS TO UEPORTED FLORA 17 



Rhoiconeis rhomboides Elmore. 



Arago, Fairbury, Brock, Long Pine. (12190) 

 Stauroneis acuta W. Sm. 



Brock. (12191) 

 Statironeis bicapitata Elmore. 



Holt county. (12192) 

 Synedra bicurvata Biene. 



Talmage, Johnson. (12193) 

 Stauroneis minutissima Lagerst. 



Fossil, Mullen. (12194) 

 Tetracyclus lacustris Kalfs. 



Fossil, Greeley county. (12195) 



ZYGNEMATACEAE 



Bpirogyra nitida Dillw. 



In Fisher's Lake, Glen Rock. (12196) 



MUCOEACEAB 



Eydrogera oedipus (Mont.) O. K. 



On horse dung. Little Salt creek. (14595) 



HYDROGASTRACEAE 



Protosiphon botryoides (Kuetz.) Klebs. 



On wet earth in greenhouse, and in fields, Lincoln. 

 (12302) 



PERONOSPORACEAB 



Peronospora trifoliorum De Bary. 



On Astragalus canadensis, Long Pine. (12027) 



ULOTRICHIACEAB 



Conferva tenerrima rhypophila (Kuetz.) Hansg. 



In tanks, Peru, Salem, Talmage, Dawson, Brock. 

 < 12197) 

 Hormiscia rimilanis ( Kuetz. ) De Toni. 



In creek, Arbor; Lincoln. (12198) 

 normiscia subtUis variabilis Kuetz. 



In tanks, Talmage, Auburn, Salem. (12199) 



