610 GEOLOGICAL SURVEY OF NEW JERSEY. 



O. littoralis, Carm. 



Marine. In salt-water marshes ; frequent Wolle. 

 O. princeps, Vauch. 



Fresh water. Cape May : On pools, Dennisville. 

 O. imperator, Wood. 



Fresh water. Frequent in ponds and pools. 



BBGGIATOA, Trevisan. 

 B. alba, Trev., var. marina, Warming. 



Marine. Atlantic: On leaves and stems of Spartina in 

 brackish ditches Martindale. 



B. arachnoidea, Rab. 



With the former Martindale. 



LBPTOTHRIX, Kutz. 

 L. seruginea (Kutz.), Kirch. 



Fresh water. In ponds ; frequent. 

 L. rigidula, Kutz. 



Marine. Atlantic : On algae, Atlantic City Martindale. 

 L. ochracea, Kutz. 



Fresh water. In ditches and small pools ; frequent. 



SPIRULINA, Turpin. 

 S. tenuissima, Kiitz. 



Marine. Atlantic : Atlantic City, mixed with other minute 

 forms Martindale. Monmouth : Swimming River Britton. 



CHROOCOCCACE^E. 



GLCBOTHBOB, Nseg. 

 G. confluens, Naeg. 



Terrestrial. On wet rocks. 



APHANOTHECB, Nseg. 

 A. prasina, Nseg. 



Fresh water. Occasional ; floating on ponds. 



