402 GEOLOGICAL SURVEY OF NEW JERSEY. 
U. varia, Kiitz. 
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 bombycina, Prelim. Cat.) 
In ponds and flowing waters. 
C. punctalis, Dillw. 
In meadow pools. 
C. rhypophila, Kiitz. 
In small pools. 
CHA2TOMORPHA, Kutz. 
O. wrea (Dillw.), Kiitz. 
Cape May: Common at Beesley’s Point—Ashmead. Also in 
New York Harbor—Hooper. 
C. Melagonium (Web. & Mohr.), Kiitz. 
Atlantic: Atlantic City, a slender, short-jointed form—Morse. 
Determined by F. 8. Collins. 
C. Piquotiana (Mont.), Kiitz. 
Hudson: Communipaw, and Monmouth: Long Branch— 
Pike, Atlantic: Washed ashore at Atlantic City—Martindale. 
C. Linum (Flor. Dan.), Kiitz. 
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. 
