CATALOGUE OF PLANTS. 405 



C. g-lomerata, Kiitz. 



Varieties are frequent in running waters Wolle. 

 C. crispata, Kiitz. 



Frequent in standing waters Wolle. 



ACROBLASTB, Reinsch. 



A quantity of a species of this genus has been collected at 

 Atlantic City Martindale. 



CHROOLBPUS, Ag. 

 C. aureus (L.), Kiitz. 



On moist rocks. 

 C. umbrinus, Kiitz. 



On the bark of trees. 



APHANOCHJETE, A. Br. 

 A. repens, A. Br. 



Parasitic on other fresh-water algae ; not rare. 

 A. globosa (Nordst.), Wolle. 



Atlantic : Pond at Hammonton Wolle. 



CELETOPHORA, Schrank. 

 C. pisiformis (Roth), Ag. 

 Not rare in ponds. 



C. endivisefolia, Ag. 



Same habitat. 



STIGBOCLONIUM, Kiitz. 

 S. tenue, Kiitz. 



Varieties of this species are frequent in flowing waters. 

 S. radians, Kiitz. 



On aquatic plants ; frequent. 



DRAPARNALDIA, Ag. 



D. glomerata, Ag. 



In spring waters ; frequent. 

 D. plumosa, Ag. 



Same habitat. 



