216 PRELIMINARY CATALOGUE OF PLANTS. 



Penium, Breb. 



P. digitus, Breb. Frequent. 

 P. margaritaceum, Breb. Frequent. 

 P. interruptum, Breb. Frequent. 

 P. Closteroides, Ralfs. Frequent. 

 P. polyrnorphum, Perty. Frequent. 

 P. Brebissonii, Ralfs. Frequent. 



Closterium, Nitzsch. 



C. juncidum, Ralfs. 

 C. lunula, Ehrb. 

 C. acerosum, Ehrb. 

 C. turgidum, Ehrb. 

 C. striolatum, Ehrb. 

 C. costatum, Corda. 

 C. lineatum, Ehrb. 

 C. decorum, Breb. 

 C. Dianse, Ehrb. 

 C. Jennen, Ralfs. 

 C. Venus, Kg. 

 C. Ehrenbergii, Menegh. 

 C. Leibleinii, Kg. 

 C. rostratum, Ehrb. 

 C. setaceum, Ehrb. 

 C. Ralfsii, Breb. 



All these liberally distributed in ponds throughout the State. 



Calocylindrus, D. By. 



C. Ralfsii, Kg. Frequent. 

 C. palangula, Breb. Frequent. 

 C. cucurbita, Breb. Frequent. 

 C. curtus, Breb. Frequent. 



C. connatus, Breb. Frequent. 



Docidium, Breb. 



D. Baculum, Breb. Frequent. 

 D. constrictum, Bail. Frequent. 

 D. gracile, Bail. Frequent. 



Var. bidentatum, Nordt. 

 D. verticillatum, Bail. Frequent. 

 D. dilatatum, Lund. Frequent. 

 D. spinosum, Wolle. Dennisville. 

 D. undulaturn, Bail. Dennisville. 

 D. no.losum, Bail. Dennisville. 



27 



