BOTANY. 391 



Spirogyra insignis (Hass.) Kg. 



Granville, H. L.Jones (Bull. Den. U.) 



Spirogvra longata (Vauch.) Kg. 

 Delhi, G. B. Twitchell. 



Spirogyra nitida (Dill.) Link. 

 Delhi, G. B. Twitchell. 



Spirogyra quinina (Ag.) Kg. 



Painesville, Logan county, H. C. Beardslee ; Fairfield Co. W. A. Kellerman. 



Spirogyra rivui,aris Rab. 



Painesville, Logan Co., H. C. Beardslee. 



Spirogyra tenuissima (Hass.) Kg. 

 Delhi, G. B. Twitchell. 



Spirogyra varians (Hass.) Kg. 

 , Painesville, H. C. Beardslee ; Pickaway Co., W. A. Kellerman. 



Spirogyra weberi Kg. 



Granville, H. L. Jones ( Bull. Den. U.) 



32. ZYGNEMA Kg. 



Zygnema crdciatum Ag. 



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



Zygnema insigne Kg. 



Painesville, H. C. Beardslee. 



Zygnema steujum Ag. 



Painesville, H. C. Beardslee ; Delhi, G. B. Twitchell. 



Zygnema steluum genuinum Kirch. 

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



33. PLEUROCARPUS A. Br. 



Pleurocarpus cdtuMBiANUS minor Wolle. 

 Painesville, H. C. Beardslee. 



PLEUROCARPUS MIRABILIS A. Br. 



Painesville, H. C. Beardslee; Columbus, Mrs. W. A. Kellerman. 



34. HYALOTHECA Ehrb. 



HyalothECA mucosa (Mert.) Ralfs. 

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



