74 A CATALOG OF ILLINOIS ALGAE 



Family: SPHAERELLACEAE 

 SPHAERELLA Sommerfelt, 1824 



S. LACUSTRis (Girod.) Wittr. Hazen, Mem. Torr. Bot. Club 6: 211- 



246. pi. 86, 87. f. 1-52 (1899). 



Chlamydococcus pluvialis A. Br. ; Haematococcus pluvialis Flow. 

 Transeau 1913B, p. 79, as Haematococcus pluvialis: Coles, 

 Charleston — pool (Mar.). Johnson & Atwell 1890, p. 19, as 

 Chlamydococcus pluvialis; Hazen 1899, p. 215: Cook, Chicago — 

 cemetery urns; Evanston — in "Big Ditch" and a small stream 

 (Sept.-Nov.); cemetery urns. 



Order: TETRASPORALES 



Family: PALMELLACEAE 



GLOEOCYSTIS Naegeli, 1849 



G. AMPLA Kuetz. Smith, Freshw. Alg. U. S., p. 353. f. 236B (1934)- 



Transeau: Coles, Charleston — pond (May). Britton: Cook, Sag 



Bridge — small pond and extensive swamp, Sept. 8, 1939, #1021 ; 



Techny — temporary slough along C. & N. R. R., May 12, 1938, 



#63. 

 G. GIGAS (Kuetz.) Lag. Tiffany, Contrib. Franz T. Stone Lab. 6: 44. 

 pl. 7. f. 110 (1934). 



Transeau: Coles, Charleston — pond (May). Kofoid 1908, p. 34: 



Mason, Havana^ — Illinois River. 

 G. PLANCTONICA (W. & G. S. West) Lemm. Tiffany, loc. cit., f. 109 

 (1934). 



Daily 1938, p. 80: Cook, Evanston — Lake Michigan. 



PALMELLA Lyngbye, 1819; Chodat, 1902 



P. MINIATA Leib. Collins, Tufts Coll. Stud. 2(3): 137 (1909). 

 Transeau: Clark, Casey^ — pond (Apr.). 



SPHAEROCYSTIS Chodat, 1897 



S. SCHROETERI Chod. Tiffany, Contrib. Franz T. Stone Lab. 6: 45. pl. 



7. f. 108 (1934). 



Eddy 1927B, pp. 215, 222; Daily 1938, p. 80; Britton: Cook, 

 Chicago, Evanston — Lake Michigan (July) ; Morton Grove — 

 small pond about 1 mile N.W., May 10, 1938, #43. Britton: 

 Lake, Waukegan — in Dead River at Dunes Park, May 11, 1939, 

 #258; Fox Lake — opposite Lotus Point in Grass Lake, Aug. 25, 

 1939, #945; small channel entering E. side of Grass Lake, Aug. 

 25, 1939, #971. McHenry, McHenry— swamp E. of McCullom 

 Lake, July 6, 1939, #374. 



