CLASSIFIED CATALOG OF ILLINOIS ALGAE 119 



V. REPENS Hass. Brown, loc. cit., p. 94. pi. 15. f. 8 (1929). 



Agersborg 1930, p. 106: Macon, Decatur — warm waste-water 

 ditch (Dec.-Feb.). 



V. SESSiLis (Vauch.) D. C. Brown, loc. cit., p. 93. pi. 15. f. 11 (1929). 

 Transeau 1913B, p. 89; 1913C, p. 32; 1916, p. 124: Clark, Casey 

 — ponds (Apr,, Oct., Nov.). Coles, Ashmore, Charleston, Lerna, 

 Mattoon, Wrightsville — ponds, small streams and swamps 

 (Jan.-June, Oct., Nov.). O'Hanlon 1930, p. 100: Cook, River 

 Forest. Transeau: Douglas, Arthur — pond (May). Jasper, 

 Bogota — creek (Aug.). Britton: Kankakee, Kankakee — about 5 

 miles N. in slough along Route 49, April 18, 1938, #5. Lake, 

 Everett — small pond, April 18, 1938, #71. Transeau: Lawrence, 

 Lawrenceville — pool (Apr.), gravel pit (May); Pinkstaff — spring 

 (Dec). Richland, Calhoun — Bonpas Creek slough (Apr.). Brown 

 1929, p. 93. 



V. TERRESTRis (Vauch.) D. C. Collins, Tufts Coll. Stud. 2(3): 426 



(1909). 



Transeau 1913B, p. 89; 1913C, p. 36: Coles, Ashmor^-on soil in 

 woods (Apr.); Charleston — ponds, pools (Apr., May), on soil on 

 campus (Oct.). O'Hanlon 1930, p. 100: Cook, River Forest — 

 on banks of DesPlaines River. 



Order: ZYGNEMATALES 



Family: ZYGNEMATACEAE 



MOUGEOTIA Agardh, 1824 



M. BOODLEi (W. & G. S. West) Coll. Transeau, Ohio Jour. Sci. 26: 

 324. pi. 6. f. 78-80 (1926). 



Collins 1912, p. 76; Transeau 1913B, p. 78; 1926, p. 324: Coles 



Charleston — ponds (Apr.-June, Sept.-Nov.). Douglas, Newman 



— pond 4 miles S.W. (May). 

 M. CALCAREA (CI.) Wittr. Transeau, loc. cit., p. 316. pi. 1. f. 9-14 

 (1926). 



Collins 1912, p. 76; Transeau 1913B, p. 78; 1926, p. 316: Clark, 



Casey — pond (Apr.). 

 M. ELEGANTULA Wittr. Transeau, loc. cit., p. 323. pi. 6. f. 84-87 

 (1926). 



Transeau 1926, p. 323: Coles, Charleston — pond (Apr., May). 

 M. FLORIDANA Trans. Transeau, Trans. Amer. Mic. Soc. 53: 224 

 (1934). 



Transeau 1934, p. 224. 

 M. GENUFLEXA (Dillw.) Ag. Transeau, Ohio Jour. Sci. 26: 320. pi. 4. 

 f. 43, 44 (1926). 



Mougeotia mirabilis (A. Br.) Wittr.; Pleurocarpus mirabilis A. Br. 



Transeau 1913B, pi 78; 1916, p. 125; 1926, p. 320: Clark, Casey— 



