CATALOGUE OF PLANTS. 397 



C. scutata, Breb. 



Very common in ponds. 



C. orbicularis, Prings. 

 Same habitat. 



C. irregularis, Prings. 



On aquatic plants ; not rare in ponds. 



OEDOGONIE.E. 



CEDOGONIUM, Link. 



CB. cryptoporum, Wittr. 



Middlesex : In a pond, Perth Amboy. 



CE. plusiosporum, Wittr. 



Not rare in small ponds. 



CB. polymorphum, Wittr. & Lund. 



Ponds. Burlington : Brown's Mills, and Somerset : Bound 

 Brook. 



CB. paludosum (Hass.), Wittr. 



Middlesex : Pond at Perth Amboy. 



CB. platygyrmm, Wittr. 



Burlington : In pond at Atsion. 



CB. decipiens, Wittr. 



Morris : Lake Hopatcong ; rare. 



CE. Areschoughli, Wittr. 



Morris : In ponds. 

 CB. Braunii (Kiitz.), Prings. 



In ponds ; not rare. 

 CB. crassiusculum, Wittr. 



Sussex : Pond at Branch ville. 

 CE. Borisianum (Le 01.), Wittr. 



In ponds, etc. ; frequent. 

 CB. concatenatum (Hass.), Wittr. 



Union : Plainfield. 



