CLASSIFIED CATALOG OF ILLINOIS ALGAE 77 



M. QUADRATA Haz. Hazen, Mem. Torr. Bot. Club 11: 178. pi. 24. f. 



14, 15 (1902). 



Transeau: Clark, Casey — pond (Nov.). Britton: Cook, Palos 

 Park— swamp, Sept. 8, 1939, #975. Transeau : Effingham, Effing- 

 ham — on sandstone at falls (Dec). 



M. STAGNORUM (Kuetz.) Lag. Hazen, loc. cit., p. 176. pi. 24. f. 12, 13 



(1902). 



Transeau 1913B, p. 81 : Clark, Casey— pond drain (May). Coles, 

 Ashmore — on rocks at spring (June) ; Charleston — small streams, 

 ponds, pools and ditches (Jan.-May, Sept., Nov.); Dorans — 

 R. R. pools (May). Douglas, Areola — stockyards (May) ; Tuscola 

 — pond (May). 



M. TUMiDULA Haz. Hazen, loc. cit., p. 177. pi. 24. f. 8-11 (1902). 



Transeau 1913B, p. 82: Coles, Charleston — ponds and ditches 

 (Mar.-July, Sept., Nov.). Britton: Cook, Palos Park — swamp, 

 Sept. 8, 1939, #975. 



M. wiLLEANA Lag. Hazen, loc. cit., p. 175. pi. 24. f. 5-7 (1902). 



Transeau: Coles, Ashmore — pond (Oct.); Lerna — pond (Apr.). 



Family: CYLINDROCAPSACEAE 

 CYLINDROCAPSA Reinsch, 1867 



C. GEMINELLA Wolle. Tiffany, Amer. Midi. Nat. 18: 918. pi. 1. f. 19 



(1937). 



Transeau: Clark, Casey — pond (Sept.). Coles, Charleston — 

 ponds (Apr., June, Oct.). Britton: Cook, Glenview — small pond 

 and swamp about 3 miles W., July 12, 1939, #466; Northbrook — 

 pond and swamp at Somme Forest Preserve, July 3, Aug. 6, 

 1939, #358, 359, 763; Sag Bridge— small pond, July 13, 1939, 

 #483. McHenry, Harvard — swamp about 3 miles N.E., July 8, 

 1939, #436; Woodstock — swamp E. of Route 14 about 4 miles 

 S.W., July 7, 1939, #412. 



C. GEMINELLA var. MINOR Hansg. Tiffany, loc. cit., f. 20 (1937). 



Transeau 1913B, p. 82; 1916, p. 124: Coles, Charleston— ponds 

 (July-Nov.). Britton 1940, p. 71: Cook, Morton Grove — small 

 pond about 1 mile N.W., May 10, 1938, June 23, 1938, #43, 77; 

 Northbrook — small ponds at Somme Forest Preserve, May 15, 

 June 27, 1938, #65, 66, 113. Transeau: Lawrence, Lawrenceville 

 — gravel pit (May); Pinkstaff — Bee Branch Creek (July). 



Family: CHAETOPHORACEAE 



APHANOCHAETE A. Braun, 1851 



A. REPENS A. Br. Tiffany, loc. cit., p. 920. f. 18 (1937) ; Smith, Freshw. 

 Alg. U. S. p. 405 (1934). 



