CLASSIFIED CATALOG OF ILLINOIS ALGAE 123 



S. DECiMiNA (Muell.) Kuetz. Collins, Tufts Coll. Stud. 2(3): 110 



(1909). 



Transeau 1913B, p. 75; 1913C, p. 33: Coles, Ashmore — Polecat 

 Creek (June); Charleston — ponds, ditches, pools, and small 

 streams (Jan.-June, Sept., Nov.). Johnson & Atwell 1890, p. 20: 

 Cook, Woodlawn — (Mar.). Transeau: Cumberland, Greenup — 

 pond (Sept.). Edgar, Paris — reservoir lake (Mar., May). Effing- 

 ham, Effingham^ — pool (Dec). Lawrence, Pinkstaff^ — small 

 stream 3 miles E. (Aug., Sept.). Moultrie, Sullivan — cut-off of 

 Kaskaskia River, and an artificial pond (July). 



S. DENTicuLATA Traus. Transeau et al., Trans. Amer. Mic. Soc. 53: 



226 (1934). 



Transeau 1934, p. 226. 



S. DILUTA Wood. Transeau, Ohio Jour. Sci. 16: 27 (1915). 



Transeau 1915, p. 27: Montgomery, Coffeen, Donnellson^ — lake 

 and ponds (June). 



S. DiscRETA Trans. Transeau, Ohio Jour. Sci. 34: 420 (1934). 

 Spirogyra inflata var. foveolata Trans. 



Transeau 1913B, p. 76; 1914, p. 291; Collins 1918, p. 13, as S. i. 

 var. foveolata: Clark, Casey — pond (Apr.). Coles, Charleston — 

 creek. 



S. DiSTENTA Trans. Transeau, loc. cit., p. 420 (1934). 

 Transeau 1934, p. 420. 



S. DUBIA Kuetz. Collins, Tufts Coll. Stud. 2(3): 115 (1909). 



Transeau 1913B, p. 75: Coles, Ashmore, Charleston, Lerna — 

 ponds and pools (May-July); Rardin^ — creek (Aug.). Johnson & 

 Atwell 1890, p. 20: Cook, Woodlawn— (June). Transeau: 

 Douglas, Areola, Arthur — ponds (July). Jasper, Wheeler — 

 Embarrass River (Sept.). Lawrence, Pinkstaff — spring-fed pond 

 and stream 3 miles E. (July, Aug.). Montgomery, Hillsboro — 

 Chautauqua Lake (July). Richland, Olney — creek (Aug.). 



S. ELLIPSOSPORA Trans. Transeau, Amer. Jour. Hot. 1 : 294. pi. 27. f. 1 



(1914). 



Transeau 1914, p. 294; 1915, p. 25; 1916, p. 124; Collins 1918, 

 p. 15: Clark, Casey— ponds (May, July, Nov.). Coles, Charles- 

 ton — ponds and Kickapoo Creek (Apr.-Nov.). Montgomery, 

 Coffeen — pond (May, June). 



S. FLUViATiLis Hilse. Collins, Tufts Coll. Stud. 2(3): 114 (1909). 



Transeau 1913B, p. 75; 1915, p. 26: Clark, Casey— pond (Nov.). 

 Coles, Ashmore — Polecat Creek (June, Oct.); Charleston — 

 ponds, ditches, pools. Embarrass River, Kickapoo Creek and 

 other small streams (Apr.-Dec); Rardin — creek (Aug.). Johnson 

 & Atwell 1890, p. 20: Cook, Bowmanville — running spring; Jef- 

 ferson (July). Transeau: Cumberland, Greenup — Embarras 



