84 A CATALOG OF ILLINOIS ALGAE 



C. KUETZiNGiANA Grun. Collins, loc. cit., p. 352 (1909). 



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

 stream N. of (Aug.)- 



PITHOPHORA Wittrock, 1877 



P. KEWENSis Wittr. Heering in Pascher, Suesswass.-fl. Deutsch. 7 : 62. 



f. 56 (1921). 



Transeau: Coles, Charleston — ponds (Jan., June, Dec). 



P. OEDOGONIA (Mont.) Wittr. Collins, Tufts Coll. Stud. 2(3): 363 



(1909). 



Field Museum 1939: Cook, Chicago — floating in shallow water of 

 lake, 95th St. at 104th Ave., coll. by G. T. Velasquez, D. Rich- 

 ards and F. Drouet, Aug. 4, 1939. 



P. VARIA Wille. Collins, loc. cit., p. 364 (1909). 



Collins 1909, p. 364; Transeau 1913B, p. 89; 1916, p. 125: Clark, 

 Casey- — ponds (July, Sept., Oct.). Coles, Ashmore, Charleston — 

 ponds and pools (all months), laboratory aquaria (Nov.). Brit- 

 ton: Cook, Northbrook^ — pond and swamp in Somme Forest 

 Preserve, May 15, 1938, #66; Palos Park— swamp. May 15, 1938, 

 #983; Sag Bridge — ponds and extensive swamp, Sept. 8, 1939, 

 #1000, 1007. Transeau: Effingham— pond E. of (Sept.). 



RHIZOCLONIUM Kuetzing, 1834 



R. FONTANUM Kuetz. Collins, loc. cit., p. 330 (1909). 



Collins 1909, p. 330; Transeau 1913B, p. 88; 1916, p. 125: Coles, 

 Ashmore^pond (June); Charleston — ponds and small stream 

 (all months). 



R. HIEROGLYPHICUM (Ag.) Kuetz. Collins, loc. cit., p. 329 (1909). 



Collins 1909, p. 329; Transeau 1913B, p. 88; 1913C, p. 34; 1916, 

 p. 125: Clark^ — Whetstone Creek (Oct.); Casey — ponds (July, 

 Sept., Oct.). Coles, Ashmore — pond, bayou and Polecat Creek 

 (Ju,ne, Oct.-Dec); Charleston — ponds and small streams (all 

 months), laboratory aquaria (Oct., Jan.), soil in greenhouse 

 (Jan.); Humboldt — creek (June). Field Museum: Cook, Chicago 

 — in water tanks in greenhouse, Univ. of Chicago, coll. by P. D. 

 Voth, J. M. Beal and F. Drouet, Oct. 5, 1938, and by D. Rich- 

 ards, Feb. 18, 1939; in lagoon in Jackson Park, coll. by D. Rich- 

 ards and F. Drouet, Oct. 16, 1940. Transeau: Douglas, Areola — 

 pond (May, July); Arthur — drainage ditch (May). Edgar, Paris 

 — reservoir (May, July). Jasper, Newton — lily pond (Aug.). 

 Lawrence, Lawrenceville — small pond 4 miles N.E. and Beaver 

 Ditch (Aug.); Pinkstaff — Bee Branch Creek, E. of (July, Nov.), 

 bayou (Dec). Moultrie, Sullivan — ponds (July). Eddy 1925, p. 

 146: Vermilion, Danville — strip mine pond. 



