CLASSIFIED CATALOG OF ILLINOIS ALGAE 35 



Family: SYNURACEAE 

 SYNURA Ehrenberg, 1838 



S. UVELLA Ehr. Tiffany, Contrib. Franz. T. Stone Lab. 6: 29. pi. 13. 



f. 329 (1934). 



Eddy 1934, pp. 385, 386, 389-391, 396, 397, 399, 400: Adams- 

 Mississippi River (June). Alexander- — Horseshoe Lake (June- 

 Aug.). Calhoun — Mississippi River (June). Champaign, Urbana 

 —ox-bow pond (Feb., Mar.). Hempel 1898, p. 327; Kofoid 1903, 

 pp. 385, 516; 1908, pp. 67, 87, 324: Fulton— Illinois River and 

 adjacent lakes (Jan.-Apr., July, Oct.-Dec). Eddy, loc. cit. 

 (1934): Hancock, Jersey — Mississippi River (June). Macon — 

 Sangamon River (Jan.-Apr., Aug.-Dec). Madison — Mississippi 

 River (June). Hempel, loc. cit. (1898); Kofoid, loc. cit. (1903, 

 1908) : Mason, Havana — Illinois River and adjacent lakes (Jan.- 

 Apr., July, Oct.-Dec); Topeka — Quiver Creek (Nov.). Eddy, 

 loc. cit. (1934): Pike, St. Clair— Mississippi River (June). 

 Union, Larue — Wolf Lake (June, Aug.). Wabash, Mt. Carmel — 

 Wabash River (Apr.). 



Suborder: OCHROMONADINEAE 

 Family: OCHROMONADACEAE 



DINOBRYON Ehrenberg, 1835 



D. BAVARICUM Imhof. Ahlstrom, Trans. Amer. Micr. Soc. 56: 154. pi. 

 3. f. 1-29 (1937). 



Dinohryon elongatum Imhof; Dinohryon stipitatum var. bavaricum 

 Zach. 



Ahlstrom 1937, p. 154: Cook— Lake Michigan (June, July). 



Kofoid 1908, p. 78, as D. elongatum and D. stipitatum var. 



bavaricum: Mason, Havana — Illinois River. 

 D. CYLINDRICUM Imhof. Ahlstrom, loc. cit., p. 148. pi. 2. f. 26-43 

 (1937). 



Dinobryon cylindricum var. palustre Lemm. 



Ahlstrom 1937, p. 148: Cook— Lake Michigan (May-July). 



Kofoid 1908, p. 78, as D. c. var. palustre: Mason, Havana — 



Illinois River. 

 D. DiVERGENS Imhof. Ahlstrom, loc. cit., p. 142. pi. 1. f. 1-36 (1937). 

 Dinobryon cylindricum var. diver gens Lemm. 



Ahlstrom 1937, pp. 142, 145: Cook— Lake Michigan (July, Aug., 



Oct.). Lake, Antioch — Petite Lake (June); Diamond Lake — in 



Diamond Lake (June); Fox Lake — in Fox Lake (June); Lake 



Villa— Cedar Lake (June). Kofoid 1908, p. 78, as D. c. var. 



divergens: Mason, Havana — Illinois River. 



