CLASSIFIED CATALOG OF ILLINOIS ALGAE 27 



A. SPIROIDES Kleb. Geitler, loc. cit. (1932). 



Galtsoff 1924, pp. 399, 402, 405: Carroll, Henderson, Jo Daviess 

 — Mississippi River (July-Sept.). Eddy 1934, p. 400: Lake, Long 

 Lake— in Long Lake ("summer"). Kofoid 1908, p. 20: Mason, 

 Havana — Illinois River (June-Oct.). Galtsoff, loc. cit. (1924): 

 Mercer, New Boston — Sturgeon Bay, Mississippi River (July, 

 Aug.). Rock Island, Whiteside — Mississippi River (July-Sept.). 



A. SPIROIDES var. crassa Lemm. Geitler, loc. cit., p. 882. f. 563 (1932). 

 Eddy 1931B, pp. 454, 460: Pulaski, Wetaug — sink-hole ponds 

 (July-Sept.). 



A. VARIABILIS Kuetz. ex B. & F. Geitler, loc. cit., p. 876. f. 558 (1932). 

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

 stream N. of (Apr., July, Aug.). 



APHANIZOMENON Morren, 1838 



A. FLOS-AQUAE (L.) Ralfs ex B. «& F. Geitler, loc. cit., p. 824. f. 524 



(1932). 



Galtsoff 1924, pp. 399, 402: Carroll— Mississippi River (July, 

 Sept.). Hancock — Lake Keokuk, Mississippi River (July). 

 Henderson, Jo Daviess — Mississippi River (July-Sept.). Brit- 

 ton: Lake, Volo— Fish Lake, Aug. 24, 1939, #935 {fide Dr. F. 

 Drouet); Wauconda— Slocum Lake, Aug. 24, 1939, #926. Galts- 

 off, loc. cit. (1924): Mercer — ^Mississippi River (Aug.). Eddy 

 1931 B, p. 460: Pulaski, Wetaug — sink-hole pond (July, Sept., 

 Dec). Galtsoff, loc. cit. (1924): Rock Island, Whiteside— Mis- 

 sissippi River (July-Sept.). 



A. ovALisPORUM Forti. Geitler, loc. cit., p. 826. f. 525 (1932). 



Britton: Cook, Sag Bridge— small pond, Sept. 8, 1939, #1015 

 {fide Dr. F. Drouet). 



CYLINDROSPERMUM Kuetzing, 1843 



C. LiCHENiFORME (Bory) Kuetz. ex B. & F. Geitler, loc. cit., p. 821. 



f. 520e (1932). 



Drouet, Field Mus. : Cook, Lemont — on moist soil by pool in 

 quarry at E. edge of, coll. by G. T. Velasquez, D. Richards and 

 F. Drouet, Aug. 4, 1939. 



C. MAjus Kuetz. ex B. & F. Geitler, loc. cit., p. 815. f. 520b (1932). 

 Drouet, Field Mus.: Cook, Chicago — on moist soil in greenhouse 

 at Univ. of Chicago, coll. by P. D. Voth, J. M. Beal and F. 

 Drouet, Oct. 5, 1938. 



C. MUSCicoLA Kuetz. ex B. «& F. Geitler, loc. cit., p. 822. f. 520d (1932). 

 Transeau 1913B, p. 72: Coles, Charleston — pond (May). Drouet, 

 Field Mus.: Cook, Lemont — on wet soil by pool in quarry at E. 

 edge of, coll. by G. T. Velasquez, D. Richards and F. Drouet, 

 Aug. 4, 1 939. Transeau : Moultrie, Sullivan — artificial pond (May). 



