614 GEOLOGICAL SURVEY OF NEW JERSEY. 
TETRASPORA, Ag. 
T. lubrica (Roth), Ag. 
In sluggish waters. 
T. explanata (Kiitz.), Kirch. 
On wet timbers. 
T. bullosa (Roth), Ag. 
In sluggish waters.* 
PALMELLA, Lyngb. 
. mucosa, Kiitz. 
. hyalina, Breb. 
. Mooreana, Harv. 
. miniata, Deibl. 
ne | 
. botryoides, Kiitz. 
All found in marshy ground, on wet timbers, etc. 
PORPHYRIDIUM, Neg. 
P. cruentum, Neg. 
On moist earth ; common in green-houses. 
BOTRYOCOCCUS, Kutz. 
B. Braunii, Kiitz. 
In ponds. 
GLGOCYSTIS, Neg. 
G. vesiculosa, Neg. 
In wet places, on old wood, etc. 
NEPHROCYTIUM, Neg. 
N. Agardhianum, Ni 
In ponds, with desmids. 
N. Neegelii, A. Br. 
Same habitat. 
*T. gelatinosa of the Preliminary Catalogue has not yet been found in New Jersey. 
