CLASSIFIED CATALOG OF ILLINOIS ALGAE 25 



S. RivuLARis (Wolle) Drouet. Drouet, Field Mus. Nat. Hist., Bot. 

 Sen 20: 131 (1942). 



Lynghya phormidium var. rivularis Wolle ; Symploca muscorum var. 

 rivularis (Wolle) Tilden. 



Johnson & Atwell 1890, p. 21, as Lyngbya phormidium var. 

 rivularis; Tilden 1910, p. 133, as Symploca muscorum var. rivu- 

 laris: Cook, "Big Woods" — in running water (Apr.). 



SPIRULINA Turpin, 1827 



S. GOMONTIANA (Setch.) Geitl. Geitler in Rab., Kryptog.-fl. Deutsch. 



14: 924 (1932). 



Arthrospira go ft ontiana Setch. 



Transeau 1913B, p. 71, as Arthrospira gomontiana: Coles, 

 Charleston — ponds (Mar .-June) ; aquaria (Oct.). 



S. JENNERI (Stiz.) Geitl. Geitler, loc. ciL, f. 590c (1932). 



Britton: Lake, Lake Zurich — in Lake Zurich, Aug. 24, 1939, 

 #913, 916 (fide Dr. F. Drouet). 



S. MAJOR Kuetz, ex Gom. Geitler, loc. cit. (1932). 



Solheim & Penfound 1928, p. 86: Champaign, Urbana — small 

 stream N. of (Apr.-July). Transeau 1913B, p. 71: Clark, Mar- 

 tinsville — ditch (Oct.). Coles, Charleston^ — ponds (Mar.-Nov.). 

 Jasper, Newton — on moist soil (Aug.). 



S. NORDSTEDTii Gom, Geitler, loc. cit., p. 930 (1932). 



Solheim & Penfound 1928, p. 86: Champaign, Urbana — small 

 stream N. of (May). 



SYMPLOCA Kuetzing, 1843 

 S. MUSCORUM (Ag.) Gom. Geitler, loc. cit., p. 1122. f. 730 (1932). 

 Drouet, Field Mus.: Coles, Charleston — coll. by E. N. Transeau, 

 Apr. 26, 1911 (as Lyngbya aerugineo-coerulea, F. S. Collins 

 scripsit). Cook, Chicago — on soil in flower pots in Univ. of Chi- 

 cago greenhouse, coll. by D. Richards, Sept. 19, 1939; Lemont — 

 on wet soil by pool in quarry at E. edge of, coll. by G. T. Ve- 

 lasquez, D. Richards and F. Drouet, Aug. 4, 1939; Willow 

 Springs — on soil in path by lake E. of, coll. by P. C. Standley, 

 J. A. Steyermark, and F. Drouet, Oct. 18, 1938. Dupage, Lisle — 

 on moist rocks in drain of lily pond at Morton Arboretum, coll. by 

 F. Drouet and J. A. and C. Steyermark, Oct. 27, 1940. 



Suborder: HETEROCYSTINEAE 

 Family: NOSTOCACEAE 



ANABAENA Bory, 1822 

 A. CATENULA (Kuetz.) B. & F. Geitler, loc. cit., p. 894 (1932). 



Transeau 1913B, p. 72: Clark, Casey — pond (Oct.). Coles, Char- 

 leston, Lerna — ponds (May, Ju)y), 



