CATALOGUE OF PLANTS. 431 



Sub-Class S.-DIATOMACE-ffi. 



(Contributed by Professor C. Henry Kain.} 

 Tribe l.-RAPHIDIE^. 



CYMBELLE^E. 



AMPHORA, Bhrb. 

 A. afflnis, Kiitz. 



Brackish water. Cape May : Common in Dennis Creek. 



A. aponina, Greg. 



Salt or brackish water. Monmouth : Shark River and Man- 

 asquan River, often forming a bright brown deposit on the sand- 

 flats. Cape May : Cape May, Dennis Creek. 



A. costata, W. Sm. 



Marine. Atlantic : Common in tidal pools near the inlet at 

 Atlantic City. 



A. elegans, Greg. 



Marine. Monmouth : Shark River and Manasquan River, 

 on the sands between tide- marks. 



A. Bulensteinii, Grun. 



Salt or brackish water. Monmouth : Occasional in Shark 

 River and abundant in brackish pools near the mouth of Man- 

 asquan River. 



A. excisa, Greg. 



Marine. Monmouth : Common between tide-marks in Shark 

 River and Manasquan River. 



A. intermedia, Lewis. 



Marine. Atlantic : Occasional in tidal pools near the inlet at 

 Atlantic City. 



A. Isevis, Greg. 



Marine. Monmouth : Common in Manasquan River and 

 Shark River between tide- marks. 



