146 PLANT LIFE OF ALABAMA. 
AMPHIPRORA Ehrenb. 
Amphiprofa costata O’Meara.! 
PLAGIOTROPIS [’fitz. 
Plagiotropis vitrea (Wm. Smith?) Grunow. <dAmphiprora vitrea Win, Smith. 
Plagiotropis elegans (Wm. Smith) Grunow. Amphiprora elegans Wm. Smith, 
CYMBELLA Agh. 
Cymbella heteropleura (Khrenb.) Kuetz. 
AMPHORA Ebrenb. 
Amphora proteus Gregory. 
Brackish or salt water. 
New Jersey. 
Amphora clevei A. Schmidt. 
Amphora cingulata Cleve. 
NITZSCHIA Hassal. 
Nitzschia scalaris (Ehrenb.?) Wm. Smith. 
Fresh or brackish water, 
New Jersey. 
Nitzschia sigmoidea (Nitzsch) Wm. Smith. 
Fresh water. 
New Jersey. 
Nitzschia circumsuta (Bailey) Grunow. 
Subfamily SURIRELLOIDEAK. 
SURIRAYA Turp. 
Suriraya febigerii Lewis. 
Brackish water. 
Tampa Bay. New Jersey. 
Suriraya fastuosa Ithrenb, 
Marine. 
New Jersey. 
CYSTOPLEURA Brébis. 
Cystopleura zebra (Ebrenb.) Kuntze. Epithemia zebra Kuetz, 
CAMPYLODISCUS Ehrenb. 
Campylodiscus clypeus Ehrenb. 
Campylodiscus limbatus Brébis. 
Class CHLOROPHYCEAE. Green Algae. 
Order PRO FOCOCCALES. 
Family HYDRODICTYACEAE. 
HYDRODICTYON Roth. 
Hydrodictyon reticulatum (L.) Lagerh. 
Stagnant pools, ditches, Over the State. 
United States, Canada, Europe. 
ed. 
1 There is some uncertainty about this name. 
