50 A CATALOG OF ILLINOIS ALGAE 



A. SERIANS (Breb.) CI. Boyer, loc. ciL, p. 325 (1927). 

 Navicula serians Breb. 



Thomas & Chase 1887, p. 330, as Navicula serians: Cook, Chi- 

 cago — Lake Michigan. 



CALONEIS Cleve, 1891 



C. ALPESTRis (Grun.) CI. Hustedt in Pascher, Suesswass.-fl. Mit- 

 teleur. 10: 240 f. 372 (1930). 



Ahlstrom 1936, p. 291: Cook, Evanston — Lake Michigan. 

 C. BACiLLARis (Greg.) CI. Boyer, Proc. Acad. Nat. Sci. Phila. 79 

 (Suppl. 2): 309 (1927). 

 Navicula hacillaris Greg. 



Thomas & Chase 1887, p. 329, as Navicula hacillaris: Cook, 



Chicago — Lake Michigan. 

 C. BACILLUM CI. Hustedt in Pascher, Suesswass.-fl. Mitteleur. 10: 236. 

 f. 360 (1930); Mills, Index Diat., p. 317 (1934). 



Ahlstrom 1936, p. 291: Cook, Evanston — Lake Michigan. 

 C. FASCIATA (Lagerst.) CI. Boyer, Proc. Acad. Nat. Sci. Phila. 79 

 (Suppl. 2): 309 (1927); Mills, Index Diat., pp. 320, 1076 (1934). 

 Navicula lacunarum Grun. 



Thomas & Chase 1887, p. 329, as Navicula lacunarum: Cook, 



Chicago- — Lake Michigan. 

 C. SILICULA (Ehr.) CI. Boyer, loc. cit., p. 308 (1927). 

 Navicula limosa Kuetz. 



Thomas & Chase 1887, p. 329, as Navicula limosa; Ahlstrom 



1936, p. 291: Cook, Chicago, Evanston — Lake Michigan. 

 C. SILICULA var. alpina CI. Hustedt in Pascher, Suesswass.-fl. Mit- 

 teleur. 10: 238. f. 366 (1930). 



Transeau: Coles, Charleston — pond (Apr.). 

 C. SILICULA var. genuina CI. Mills, Index Diat., p. 328 (1934). 



Transeau: Coles, Charleston — ponds and small streams (Apr., 



May, Oct.). 

 C. SILICULA var. gibberula (Kuetz.) CI. Boyer, Proc. Acad. Nat. Sci. 

 Phila. 79(Suppl. 2): 308 (1927). 



Navicula silicula var. gibberula (Kuetz.) Grun. 



Thomas & Chase 1887, p. 329, as Navicula s. var. gibberula: 



Cook, Chicago — Lake Michigan. 

 C. SILICULA var. inflata (Grun.) CI. Boyer, loc. cit. (1927); Mills, 

 Index Diat., pp. 328, 1084 (1934). 

 Navicula limosa var. subinfiata Grun. 



Thomas & Chase 1887, p. 329, as Navicula I. var. subinfiata: 



Cook, Chicago — Lake Michigan. 



