CLASSIFIED CATALOG OF ILLINOIS ALGAE 47 



cit. (1934): Piatt, Monticello — Sangamon River (all months). 



Eddy 1931 B, pp. 451, 460: Pulaski, Wetaug — sink-hole ponds 



(Apr., July). Bailey 1845, p. 34: St. Clair— Mississippi River. 



Purdy 1930, pp. 68, 71: Will, Lockport — DesPlaines River 



(May, Oct.). 

 S. ULNA var. AEQUALis (Kuetz.) Hust. Hustedt, loc. cit., p. 189. f. 

 691Ad (1932). 



Synedra ohtusa W. Smith 



Transeau, also as S. ohtusa: Coles, Charleston — ponds and small 



streams (Mar., May, Nov.). 

 S. ULNA var. BICEPS (Kuetz.) Schonf. Hustedt, loc. cit., p. 200. f. 

 691Ag (1932). 



Synedra longissima W. Smith 



Jelliffe 1893, p. 310, as S. longissima: Cook, Chicago— Lake 



Michigan. 

 S. ULNA var. DANICA (Kuctz.) Grun. Hustedt, loc. cit., f. 691Af (1932) ; 

 Mills, Index Diat., pp. 1556, 1559, 1584 (1934). 

 Synedra danica Kuetz. ; Synedra chaseii Thomas. 



Thomas & Chase 1887, p. 330, as S. chaseii and S. danica: Cook, 



Chicago — Lake Michigan. 

 S. ULNA var. SPATHULIFERA Gruu. Hustedt, loc. cit., p. 199. f. 691Ah 

 (1932); Mills, loc. cit., pp. 1567, 1578, 1586 (1934). 



Synedra joursacensis Herib. ; Synedra spathulifera Grun. 



Transeau, as S. joursacensis: Coles, Dorans — ditch (May). 



Thomas & Chase 1887, p. 330, as S. spathulifera: Cook, Chicago 



— Lake Michigan. 



Family EUNOTIACEAE 



EUNOTIA Ehrenberg, 1837 



E. FLEXUOSA (Breb.) Kuetz. Hustedt, loc. cit., p. 312. f. 778 (1932). 

 Synedra biceps W. Smith 



Purdy 1930, pp. 117, 124, as Synedra biceps: Peoria, Chillicothe 



— Illinois River (Mar.-Aug.). 

 E. FORMICA Ehr. Hustedt, loc. cit., p. 308. f. 775 (1932). 



Thomas & Chase 1887, p. 328: Cook, Chicago— Lake Michigan. 

 E. LUNARis (Ehr.) Grun. Hustedt, loc. cit., p. 302. f. 769a, b, d, e 

 (1932). 



Transeau: Coles, Charleston — small streams (Dec, Apr.). 



Thomas & Chase 1887, p. 328: Cook, Chicago— Lake Michigan. 

 E. MONODON var. major (W. Sm.) Hust. Hustedt, loc. cit., p. 306. f. 

 772c (1932). 



Eunotia major (W. Sm.) Rab. 



Thomas & Chase 1887, p. 328, as E. major: Cook, Chicago — Lake 



Michigan. 



•t 



