DICTYOSIPHONACBAB. 



DICTYOSIPHON Grev. 



D. foeniculaceus (Huds. ) Grev. 



Not infrequent along the whole coast. 

 D, hippuroides (Lyngb.) Arescli. 



Kings: College Point, Jamaica Bay, Pike. 



MYRIOTRICHIACBAE. 



MYRIOTRICHIA Harv. 

 M. clavaeformis Harv. 



Suffolk : Greenport, Orient, Montauk, Pike. 

 M. radicans (Dillw.) Harv. 



Xmgs : College Point, Pike. 



ELACHISTAOEAE, 

 ELACHISTA Duby. 



E. fucicola (Velley) Fries. 

 Frequent, though local. 



CHORD ARIACEAB. 

 MYRIONEMA Grev. 

 M. vulgare Thur. 



Not infrequent along the whole coast. 



CASTAGNEA (Derb. and Sol,) Thur. 

 C. virescens (Carm,) Thur. 



Queens: Whitestone, Suffolk: Orient, Pike. 

 C. Zostereae (Mohr) Thur. 



Queens: Whitestone. Suffolk: Orient, Pike. 



MYRIACTIS Kiltz. 

 M. pulvinata Kiitz. 

 Suffolk : Greenport, Southampton, Orient, Pike. 



LEATHESIA S. F. Gray. 

 L. difformis (L ) Aresch. 



Not infrequent throughout. 



MESOGLOIA Ag. 



M. divaricata (Ag.) Kutz. 



Not infrequent in bays along the south shore. 



CHORDARIA Ag. 



C. flagelliformis (Fl. Dan.) Ag. 



Suffolk : Pike. 



STILOPHORACBAE. 

 STILOPHORA Ag. 

 S. rhizoxdes Ag. 

 Not infrequent in the Sound. 



