14() PLANT I-Il-K OK ALAI5AMA. 



AMPHIPRORA I'.hniib. 

 Aniphiproia costata o'Mriiiii.' 



PLAGIOTROPIS riitz. 

 Plagiotropis vitrea (Win. Smith?) Grunow. Amphiprora riirca Win. Sinitli. 

 Plagiotropis elegans (Wiu. Smith) Grunow. Amphiprora eJeijunx Win. Sniitli. 



CYMBELLA A-;h. 

 Cymbella heteropleura (Khrciib.) Kiietz. 



AMPHORA Ehieub. 



Amphora proteus ( Jregory. 

 Jirnckish or salt water. 

 A'ew .lersey. 



Amphora clevei A. Schmidt. 

 Amphora cingulata Cleve. 



NITZSCHIA llassal. 



Nitzschia scalaris (Elirenl). ?) Wm. Smith. 

 I'resh or brackish water. 

 New Jersey. 



Nitzschia sigmoidea (Nitzsch) Wm. Smith. 

 Fresh water. 

 New Jersey. 



Nitzschia circumsuta (Bailej') Grunow. 



Subfamily SUEIEELLOIDEAE. 



SURIRAYA Turp. 



Suriraya febigerii Lewis. 

 Brackish water. 

 Tampa Bay. New .Jersey. 



Suriraya fastuosa l^hrenb. 



Marine. 

 New Jersey. 



CYSTOPLEURA Br(5bis. 



Cystopleura zebra (Ehreub.) Knntzc. EpHhemla zehra Kuetz. 



CAMPYLODISCUS Ehreub. 



Campylodiscus clypeus Ehreub. 

 Campylodiscus limbatus Brcbis. 



Class CHLOROPHYCEAE. Green Algae. 



Orclfc^r F'KOXOCOCC^^LES. 



Family HYDRODICTYACEAE. 



HYDRODICTYON Koth. 



Hydrodictyon reticulatum (L.) Lagerh. 

 Stagnant pools, ditches. Over the State. 

 United States, Canada, Europe. 



' There is some uncertainty about this name. — Ed. 



