CLASSIFIED CATALOG OF ILLINOIS ALGAE 115 



S. DiMORPHUS (Turp.) Kuetz. Smith, loc. cit., p. 434. pi. 25, 27, 28. f. 



8, 185-195 (1916). 



Eddy 1931 A, pp. 480, 483, 486: Cass, Chandlerville— Sangamon 

 River (Sept.). Johnson & Atwell 1890, p. 19; JelHffe 1893, p. 311 ; 

 Britton: Cook, Argonne Forest Preserve — ponds and swamps 

 at 95th St. & 100th & 104th Aves., July 13, 1939, #488, 534; 

 Chicago — ^Lake Michigan; Evanston — aquarium (Mar.), small 

 greenhouse reservoir, June 23, 1938, #75, small pond at Simpson 

 St. and Grosse Point Road, June 27, 1938, #100; Orland Park- 

 small pond and extensive swamp W. of Wolf Road on 131st St., 

 Sept. 8, 1939, #1021. Britton: Lake, Highwood — small pond, 

 May 15, 1938, #73; Klondike — in Grass Lake and connecting 

 channel to Fox Lake, Aug. 25, 1939, #945, 948, 969 ; Wauconda— 

 Bangs Lake, Aug. 24, 1939, #925. Eddy, loc. cit. (1931A): Macon, 

 Decatur — Lake Decatur (July); Harristown — Sangamon River 

 (July, Sept.). Britton: McHenry, McHenry — swamp E. of Mc- 

 Cullom Lake, July 6, 1939, #374, 376. Eddy, loc. cit. (1931A): 

 Menard, Petersburg — Sangamon River (July, Sept.). Eddy 

 1931B, p. 461: Pulaski, Wetaug — sink-hole pond (Sept.). Eddy, 

 loc. cit. (1931A): Sangamon, Illiopolis, Riverton, Springfield — 

 Sangamon River (June-Sept.). 



S. LONGUS Mey. Smith, loc. cit., p. 469. pi. 28, 31. f. 54, 156-158 



(1916). 



Scenedesmus quadricauda f. horridus Kirch.; S. quadricauda f. 

 setosus Kirch. 



Transeau 1913B, p. 80, as S. q. f. horridus and setosus: Coles. 



S. LONGUS var. minutus G. M. Smith. Smith, loc. cit., p. 471. pi. 31. 



f. 147-150 (1916). 



Scenedesmus minutus (Smith) Chod. 



Galtsoff 1924, p. 399, as S. minutus: Carroll, Henderson, Jo 

 Daviess, Mercer, Rock Island, Whiteside — -Mississippi River 

 (Aug., Sept.). 



S. OBLiQUUS (Turp.) Kuetz. Smith, loc cit., p. 428. pi. 25, 29. f. 7, 63- 



68 (1916). 



Athrodesmus acutus Ehr. 



Solheim & Penfound 1928, p. 87: Champaign, Urbana — small 

 stream (June). Transeau 1913B, p. 80: Coles, Charleston — pond. 

 Britton: Cook, Evanston— small pond in Calvary Cemetery, 

 June 23, 1938, #74; Glenview — swamp and temporary pond 

 about U miles W., June 23, 1938, #97; Northbrook— small pond 

 in Somme Forest Preserve, May 15, 1938, #65, swamp about 2\ 

 miles S.W., May 12, 1938, #60. Lake, Highwood— small pond, 

 May 15, 1938, #73. Kofoid 1908, pp. 23, 31, 292, 316: Mason, 

 Havana — Illinois River (Apr.-Nov.). Britton: McHenry, Mc- 

 Henry— swamp E. of McCullom Lake, July 6, 1939, #374. Bailey 



