218 PRELIMINARY CATALOGUE OF PLANTS. 



C. tumidum, Lund. Split Eock Pond. 

 C. tetrophthalmum, Kg. Frequent. 

 C. Turpinii, Breb. Not rare. 



Xanthidium, Ehrb. 



X. aculeatum, Ehrb. Lake Hopatcong, etc. 



X. armatum, Breb. Hammonton, Pleasant Mills, etc. 



X. antilopaeum, Kg. Frequent. 



X. cristatum, Breb. Hammonton. 



X. fasciculatum, Ehrb. Frequent. 



Arthrodesmus, Ehrb. 



A. convergeus, Ehrb. Frequent. 

 A. fragilis, Wolle. Hammonton, etc. 

 A. incus, Hass. Hammonton, etc. 



A. octocornus, Ehrb. Hammonton, etc. 



Buastrum, Ehrb. 



B. ampullaceum, Ralfs. Frequent. 

 E. attenuatum, Wolle. Budd's Lake. 

 B. abruptum. 



Var. evolutum, Nordt. Tom's River. 

 B. affine, Ralfs. Frequent. 

 E. binale, Ralfs. Frequent. 



Var. insulare, Wittr. Frequent. 

 B. crassum, Breb. Frequent. 

 B. circulare, Hass. Frequent. 

 B. Didelta, Turp. Frequent. 

 B. elegans, Breb. Common. 

 B. formosum, Wolle. Tom's River. 

 B. gemmatum, Breb. Split Eock Pond. 

 B. humerosum, Ralfs. Frequent. 

 B. insigne, Hass. Frequent. 

 B. intermedium, Cleve. Dennisville. 

 E. oblongum, Ralfs. Not rare. 

 B. peotinatum, Breb. Not rare. 

 B. Ealfsii, Eabh. Not rare. 

 B. rostratum, Ealfs. Not rare. 

 E. pinnatum, Ralfs. Not rare. 

 E. spinosum, Ralfs. Not rare. 



Miorasterias, Ag. 



M. arcuata, Bail. Pleasant Mills, etc. 

 M, Americana, Ealfs. Frequent. 

 Var. recta, Wolle. Dennisville. 



