92 A CATALOG OF ILLINOIS ALGAE 



June). Britton: Cook, Northbrook— small pond at Somme For- 

 est Preserve, May 8, 1939, #247. Transeau: Jasper, Newton — 

 pond. Lawrence, Lawrenceville — gravel pit (Apr.). Tiffany 1930, 

 p. 130, as 0. c. var. idioandrosporum; 1937, p. 66; 1939, p. 91. 



O. ILLINOISENSE Trans. Tiffany, loc. ciL, p. 58. pi. 31. f. 494-496 



(1937). 



Transeau 1914, p. 299: Coles, Lerna— pond (May). Montgomery, 

 Coffeen— (May). Collins 1918, p. 67. Tiffany 1930, p. 123; 1937, 

 p. 58; 1939, p. 91. 



O. INTERMEDIUM Wittr. Tiffany, loc. cit., p. 32. pi. 9. f. 119 (1937). 

 Transeau 1913B, p. 83: Coles, Ashmore, Charleston, Lerna — 

 ponds and pools (Apr.-July). Jasper, Wheeler — pond (Aug.). 

 Collins 1918, p. 64. Tiffany 1930, p. 72; 1937, p. 32; 1939, p. 91. 



O. IRREGULARE Wittr. Tiffany, loc. cit., p. 65. pi. 2>2>. f. 521 (1937). 

 Transeau 1913B, p. 84: Coles, Charleston — pond (Sept.). Tiffany 

 1930, p. 131; 1937, p. 65; 1939, p. 91. 



O. KiRCHNERi Wittr. Tiffany, Oedog. Monog., p. 116. pi. 38. f. 371 



(1930). 



Britton 1942, p. 59: Cook, Northbrook — pond and swamp at 

 Somme Forest Preserve, May 15, 1938, #66; Techny — small pond 

 along Techny Road just W. of Landwehr Road, May 12, 1938, 

 #63. 



O. LAEVE Wittr. Tiffany, N. Am. Fl. 11: 28. pi. 8. f. 99 (1937). 



Transeau: Coles, Charleston — pool (Apr.). Tiffany 1930, p. 65; 

 1937, p. 28; 1939, p. 91. 



O. LEMMERMANii Tiff. Tiffany, loc. cit., p. 31. pi. 9. f. 113 (1937). 

 Transeau: Douglas, Arthur — pond (May). 



O. LONGIARTICULATUM (Hansg.) Tiff. Tiffany, loc. cit., p. 42. pi. 16. f. 



226, 227 (1937). 



Transeau: Moultrie, Sullivan^ — artificial pond (July). 



O. LONGicoLLE Nordst. Tiff. Tiffany, loc. cit., p. 67. pi. 24. f. 388, 389 



(1937). 



Transeau: Moultrie, Sullivan — artificial pond (July). 



O. MACRANDRIUM Wittr. Tiffany, loc. cit., p. 70. pi. 25. f. 396 (1937). 

 Transeau 1916, p. 124: Coles, Ashmore — pond (Nov.). 



O. MACRANDRIUM var. AEMULANS Him. Tiffany, loc. cit., p. 71. f. 397 



(1937). 



Transeau 1913B, p. 84: Coles, Ashmore, Charleston — ponds 

 (Oct.). Britton: Cook, Glenview — swamp and small pond about 

 U miles W., May 12, 1938, #58. Transeau: Jasper, Wheeler- 

 pond (Sept.). Montgomery, Coffeen — pond (May). 



O. MACRANDRIUM var. PROPINQUUM (Wittr.) Hirn. Tiffany, loc. cit., f. 



401 (1937). 



