80 A CATALOG OF ILLINOIS ALGAE 



S.W., May 12, 1938, #64. Transeau: Cumberland, Greenup — 

 ditch (Nov.); Jewett — stream (May). Edgar, Paris — ditch 

 (Mar.). 



D. PLUMOSA (Vauch.) Ag. Hazen, loc. cit., p. 218. f. 1, 2, (1902). 



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

 stream N. of (Mar.). Transeau 1913B, p. 87; 1913C, p. 32; 1916, 

 p. 124: Clark, Casey — pond, ditches, and swampy stream (Apr.). 

 Coles, Ashmore — pond (Apr.) ; Charleston— small streams, 

 ponds and pools (Nov.-June); Dorans — pools (May); Lerna — 

 creek (May); Wrightsville — small stream (May, June). Craw- 

 ford, Annapolis — (Dec). Cumberland, Greenup — ditch pools 

 (Nov.); Jewett — small stream (May). Douglas, Areola — ditch 

 (May). Edgar, Paris — reservoir (Apr.). Effingham, Effingham — 

 small stream (Apr.); on sandstone at falls (Dec). Jasper, New- 

 ton — smalls tream (Apr.); Wheeler — ditch (Dec). Montgomery, 

 Waggoner — pond and creek (Dec, May). 



D. RAVENELii Wolle. Hazeu, loc. cit., p. 224 (1902). 



Collins 1912, p. 94; Transeau 1913B, p. 88; 1916, p. 124: Clark, 

 Casey, Oilfield — ponds (May). Coles, Charleston, Lerna, Loxa — 

 ditches, ponds, pools (Mar.-May). Douglas, Areola — pool 

 (May). 



MICROTHAMNION Naegeli, 1849 



M. KUETZiNGiANUM Naeg. Hazen, loc. cit., p. 191. pi. 26. f. 1; pi. 27. 



f. 2-4 (1902). 



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

 stream N. of (Feb., July). Transeau 1913B, p. 86: Coles, Charles- 

 ton — creek 3 miles W. of (June). Britton: Cook, Morton Grove — 

 small pond about 1 mile N.W., May 10, 1938, #43. 



M. STRiCTissiMUM Rab. Hazen, loc. cit., pi. 26. f. 2-5 (1902). 



Transeau 1913B, p. 87: Clark, Casey— pond (Nov.). Coles, 

 Charleston — small streams, ponds and pools (Mar., Nov., Dec). 



STIGEOCLONIUM Kuetzing, 1843 



S. GLOMERATUM (Haz.) Coll. Collins, Tufts Coll. Stud. 2(3): 301 

 (1909). 



Transeau 1913B, p. 87: Coles, Charleston — ponds, pools and 



ditches (Apr.). 

 S. LONGIPILUM Kuetz. Heering in Pascher, Suesswass.-fl. Deutsch. 6: 

 76. f. 104 (1914). 



Johnson & Atwell 1890, p. 19: Cook, Evanston— (Apr.). 

 S. LUBRICUM (Dillw.) Kuetz. Collins, Tufts Coll. Stud. 2: 298. f. 84 

 (1909). 



Forbes & Richardson 1913, pp. 500, 528: LaSalle, Starved Rock 



— Illinois River (Sept., Oct.). Putnam, Hennepin — Illinois River. 



