CLASSIFIED CATALOG OF ILLINOIS ALGAE 39 



Monroe, Ogle, Pike, Pulaski, Randolph, St. Clair, Union, Wa- 

 bash, Whiteside). 



Adams — Mississippi River (June). Alexander — Horseshoe 

 Lake (June-Aug.); Mississippi River and Ohio River (June). 

 Calhoun — Mississippi River (June). Cass, Chandlerville — Sanga- 

 mon River (June-Sept.). Champaign, Urbana — Crystal Lake 

 (Feb.-Oct.). Cook, Chicago— Lake Michigan. Hancock, Jackson, 

 Jersey — Mississippi River (June). Lake, Long Lake— in Long 

 Lake ("summer"). La Salle, Starved Rock — Illinois River. 

 Macon, Decatur^Lake Decatur (all months); Harristown — 

 Sangamon River (June-Sept.). Madison^Mississippi River 

 (June). Mason, Havana — Illinois River (all months). Massac 

 — Ohio River (June). McHenry, Algonquin— Fox River (June). 

 Menard, Petersburg — Sangamon River (June-Sept.). Monroe — 

 Mississippi River (June). Morgan, Meredosia— Illinois River. 

 Ogle, Grand Detour— slough (June-Aug.). Peoria, Chillicothe — 

 Illinois River. Pike — Mississippi River (June). Pulaksi — Missis- 

 sippi and Ohio Rivers (June); Wetaug — sink-hole ponds (Sept. 

 Dec). Putnam, Hennepin — Illinois River. Randolph — Missis- 

 sippi River (June). Sangamon, Illiopolis, Riverton, Springfield 

 — Sangamon River (June-Sept.). St. Clair — Mississippi River 

 (June). Union, Larue— Wolf Lake (June-Aug.); Mississippi 

 River (June). Wabash, Mt. Carmel— Wabash River (Apr.). 

 Whiteside, Erie — Hatwood Slough (June-Aug.); Sterling— Rock 

 River ("summer"). 



M. ITALICA (Ehr.) Kuetz. Hustedtin Pascher, Suesswass.-fl. Mitteleur. 



10:91. f. 50 (1930). 



Transeau: Lawrence, Pinkstaff — pond (Nov.). 



M. ITALICA var. tenuissima (Grun.) O. Muell. Hustedt, loc. cit. 



(1930). 



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



M. jUERGENSii Ag. Boyer, Proc. Acad. Nat. Sci. Phila. 78(Suppl. 1): 



27 (1927); Mills, Index Diat., p. 950 (1934). 

 Melosira suhflexiUs Kuetz. 



Galtsoff 1924, p. 402, as M. suhflexiUs: Hancock— Lake Keokuk 

 (Mississippi River). 



M. VARIANS Ag. Boyer, loc. cit. (1927). 

 Lysigonium varians (Ag.) DeToni 



Eddy 1934, p. 387, as Lysigonium varians: Champaign, Mahomet 

 —Sangamon River (Mar.-Oct.). Transeau 1913B, p. 73: Coles, 

 Ashmore — Polecat Creek (Oct.); Charleston — ponds, Embarrass 

 River and small creeks (Mar.-June, Oct.-Feb.). Thomas & 

 Chase 1887, p. 329; Eddy 1927B, pp. 208, 214, 219: Cook, 

 Chicago — Lake Michigan (Apr.-Dec). Transeau: Cumberland, 

 Greenup — ditch (Nov.). Edgar, Paris — reservoir (July). Jasper, 



