. 
274 
marked, some of them puncticulate, others slightly puberulent; 
the beak short and entire. 
Collected by Dr. Geo. G. Kennedy in a damp hollow near the 
Crawford Bridle Path, on Mt. Clinton, N. H., August 20, 1891. 
Cryptogamic Notes from Long Island. III. 
By SMITH ELy JELLIFFE, M. D, 
DIATOMACEAE. 
Amphora ovalis Kutz. 
Cymbella Cistula Hempr. 
Encyonema ventricosum Kutz. 
Stauroneis acuta W. Sm. 
Stauronets anceps Ehrb. 
Stauroneis gracilis Ehrb. 
Stauronets Phoenicenteron Ehrb, 
Navicula Americana Ehrb, 
Navicula ambigua Ehrb. 
Navicula flamma A. Sch. var. 
Navicula cuspidata Kutz. 
Navicula dilatata Ehrb. 
Navicula firma Kutz, 
Navicula laevissima Kutz, 
Navicula gibba (Kutz.) Ehrb. 
Navicula Hitchcockti Ehrb, 
Navicula apis Kutz. 
Navicula lata Breb. 
Navicula Lyra Ehrb. 
Navicula major Kutz, 
Navicula marina Ralfs. 
Navicula radiosa Kutz. 
Navicula rhyncocephala Kutz. 
Navicula varians Greg. 
Navicula viridis Kutz. 
Pleurosigma angulatum W., Sm. 
Pleurosigma Balticum W. Sm. 
Pleurosigma elongatum W. Sm. 
Pleurosigma Spencerti W.Sm, 
Amphiprora ornata Bailey. 
Gomphonema acuminatum Ehrb. 
Gomphonema capitatum Ehrb. 
Gomphonema constrictum Ehrb. 
Rhotkosphenia curvata (Kutz.) Grun. 
Achnanthes brevipes Ag. 
