CLASSIFIED CATALOG OF ILLINOIS ALGAE 127 



S. PARVULA (Trans.) Czurda. Pascher, loc. cii., p. 170. f. 174 (1932). 

 Spirogyra catenaeformis var. parvula Trans. 



Transeau 1914, p. 292; Collins 1918, p. 12, as 5. c. var. parvula: 

 Clark, Casey, Oilfield — ponds (Apr.). Coles, Ashmore, Charles- 

 ton, Lerna — ponds (May, June). Lawrence, Lawrenceville — 

 ditch (May). 



S. PETITIANA Trans. Transeau et al., Trans. Amer. Mic. Soc. 53: 225 



(1934). 



Transeau 1913B, p. 77: Coles, Charleston — pond ("summer"). 



S. PORTiCALis (Muell.) CI. Collins, Tufts Coll. Stud. 2(3): 108 (1909). 

 Solheim & Penfound 1928, p. 88: Champaign, Urbana — small 

 stream N. of (Mar.-May). Transeau 1913B, p. 77: Clark, Casey 

 — pond (Apr., May). Coles, Ashmore, Charleston, Dorans, Loxa, 

 Wrightsville — ponds, ditches, Embarrass River and small creeks 

 (Oct.-May). Cumberland, Jewett — ponds S.W. of (May). 

 Douglas, Arthur — ponds (May). Edgar, Paris — reservoir and 

 ditch (Mar.). Efl&ngham, Effingham — ponds (May). Jasper, 

 Bogota — creek 6 miles S.W. of (Aug.). Lawrence, Lawrenceville 

 — ditch (May), gravel-pit N.E. of (Apr.); PinkstafiF — pond 

 (Mar.). Montgomery, CofTeen — pond (May). Richland, Olney — 

 creek (Aug.). 



S. PRATENsis Trans. Transeau, Amer. Jour. Bot. 1: 292. pi. 25, 26. f. 



12-14, 1, 2 (1914). 



Transeau 1914, p. 292; Collins 1918, p. 15: Clark, Casey — ponds 

 (May). Coles, Charleston — ponds and small streams (Apr.-July, 

 Oct., Nov.). Effingham, Effingham — pool (May). Montgomery, 

 Cofifeen — pond (May). 



S. PROPRIA Trans. Transeau, Ohio Jour. Sci. 16: 25 (1915). 



Transeau 1915, p. 25; Collins 1918, p. 15: Montgomery, Coffeen. 



S. PROTECTA Wood. Collins, Tufts Coll. Stud. 2(3): 118 (1909). 



Transeau 1915, p. 29; 1916, p. 124: Clark, Casey — ponds and 

 small stream (Apr., May); Martinsville — pond (Apr.). Coles, 

 Ashmore, Charleston, Lerna — ponds, pools and small streams 

 (Apr., May). Cumberland, Jewett — stream S.W. of (May). 

 Jasper, Wheeler — pond (Mar.). Lawrence, Pinkstaff — spring-fed 

 pond 3 miles E. of (July). Richland, Calhoun — pond (Apr.). 



S. PUNCTiFORMis Trans. Transeau, Amer. Jour. Bot. 1: 294. pi. 26. 



f. 7 (1914). 



Transeau 1913B, p. 77; 1914, p. 294; Collins 1918, p. 15: Coles, 

 Charleston — ponds (May, July). 



S. QUADRATA (Hass.) Petit. Collins, Tufts Coll. Stud. 2(3) : 116 (1909). 

 Transeau 1913B, p. 77: Coles, Charleston- — pond (May, June). 

 Johnson & Atwell 1890, p. 20: Cook, Woodlawn (Apr.). 



S. RECTANGULARis Trans. Transeau, Amer. Jour. Bot. 1: 291. pi. 25. 



f. 9-11 (1914). 



