CLASSIFIED CATOLOG OF ILLINOIS ALGAE 137 



C. DEPRESSUM (Naeg.) Lund. West & West, Brit. Desmid. 2: 176. pi. 

 62. f. 2-5 (1905). 



Eddy 1931B, pp. 456, 462: Pulaski, Wetaug— sink-hole pond 



(July). 

 C. FORMOSULUM Hofif. West & West, Brit. Desmid. 3: 240. pi. 88. f. 



1-3 (1908). 



Transeau: Coles, Ashmore — pond and ditches (May, June). 



Douglas, Arthur — pond (May). 

 C. FORMOSULUM var. NATHORSTii (Boldt) W. & G. S. West. West & 

 West, loc. cit., p. 242. f. 4-5 (1908). 



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

 C. GRANATUM Breb. West & West, Brit. Desmid. 2: 186. pi. 63. f. 1-3 



(1905). 



Transeau: Coles, Ashmore — pond (June, Nov.). Britton: Cook, 



Sag Bridge— swamp, Sept. 8, 1939, #984. 

 C. HOLMIENSE Lund. West & West, Brit. Desmid. 3:1. pi. 65. f. 1-2 

 (1908). 



Transeau: Coles, Charleston^ditch (May). 

 C. HOLMIENSE var. INTEGRUM Lund. West & West, loc. cit., p. 2. pi. 65. 

 f. 3-5 (1908). 



Transeau: Coles, Charleston— ditches (Apr., May). 

 C. MENEGHiNii Breb. West & West, loc. cit., p. 90. pi. 72. f. 29-32 

 (1908). 



Britton: McHenry, Johnsburg— Fox River, about | mile below 



Pistakee Lake, July 25, 1939, #590. 

 C. MONiLiFORME (Turp.) Ralfs. West & West, loc. cit., p. 20. pi. 67. 

 f. 1-3 (1908). 



Britton: Cook, Northbrook— small pond in Somme Poorest Pre- 

 serve, July 3, 1939, #349. 

 C. NiTiDULUM DeNot. West & West, Brit. Desmid. 2: 197. pi. 64. 

 f. 1-3 (1905). 



Johnson & Atwell 1890, p. 20: Cook, Evanston— aquarium 



(Mar.). 

 C. PACHYDERMUM var. AETHioPicuM W. & G. S. West. West & West, 

 loc. cit., p. 140. pi. 57. f. 8-9 (1905). 



Britton: McHenry, Harvard— swamp about 2 miles N.E., July 



8, 1939, #436. 

 C. PERICYMATIUM Nordst. West & West, Brit. Desmid. 3: 34. pi. 68. 



f. 10 (1908). 



Transeau: Coles, Charleston — ditches (May). 

 C. POLYGONUM (Naeg.) Arch. West & West, loc. cit., p. 76. pi. 71. 

 f. 32-34 (1908). 



Johnson & Atwell 1890, p. 20: Cook— "Big Ditch" (Oct.). 

 C. PORRECTUM Nordst. DeToni, Sylloge Algarum 1(2): 987 (1889); 



