402 GEOLOGICAL SURVEY OF NEW JERSEY. 



U. varia, KUtz. 



On moist earth. 

 U. parietina (Vauch.), Kiitz. 



At the base of trees. 



CONFERVA, Link. 

 C. floccosa, Ag. 



Frequent in streamlets. 

 C. fugacissima, Roth. 



In ponds. 

 C. vulgaris, Rabh. 



In trenches of running water. 

 O. bombycina, Ag. (Tolypothrix bombydna, Prelim. Cat.) 



In ponds and flowing waters. 

 O. punctalis, Dillw. 



In meadow pools. 

 O. rhypophila, Ktttz. 



In small pools. 



CHuETOMORPHA, Kutz. 

 O. eerea (Dillw.), KUtz. 



Cape May : Common at Beesley's Point Ashmead. Also in 

 New York Harbor Hooper. 



O. Melagonium (Web. & Mohr.), Kutz. 



Atlantic : Atlantic City, a slender, short-jointed form Morse. 

 Determined by F. S. Collins. 



C. Piquotiana (Mont.), Kiitz. 



Budson : Communipaw, and Monmouth : Long Branch 

 Pike. Atlantic : Washed ashore at Atlantic City Martindale. 



O. Linum (Flor. Dan.), Kutz. 



Cape May : Beesley's Point Ashmead. Atlantic : Atlantic 

 City Morse ; Longport Mrs. Lawton. " In the summer of 

 1887, I collected at Somers Point, a form with unusually large 

 fronds, which must be of this species, although the cells were very 

 much larger than common " Martindale. 



