540 Wisconsin Academy of Sciences, Arts, and Letters. 
Algae, 1 (1910) p. 250, t. 15, fig. 22. Bangia mamillosa Lyng- 
bye Tent. Hydrophyt. Danicae, (1819) p. 85, t. 25, figs. 
C1-C3. 
Along shore; Razorback Lake. 
Stigonema turfaceum (BERKLEY) COOKE, Brit. 
Freshw. Algae, (1884) p. 272, t. 111. fig. 2. Kirchner, in 
Engler und Prantl, D. Nat. Pflanzenfam. Teil 1, Abt. la 
(1900) p. 83, figs. 58G-58L. Scytonema turfaceum Berkley, 
in Eng. Bot. 2, t. 2517, fig. 1. 
Along shore; Adelaide, Beaver, Bullhead, Helen (Eagle 
River) and Sunday Lakes. 
Genus HAPALOSIPHON Nageli 1849. 
Hapalosiphon aureus W. & G. S. WEST, in Jour, of 
Bot. 35 (1897) p. 241. 
Along shore; McKenna and Speese Lakes. 
Hapalosiphon hibernicus W. & G. S. WEST, in Jour. 
Roy. Micr. Soc. (1896) p. 163. G. S. West, Brit. Freshw. 
Algae, (1904) p. 321, fig. 147. 
Along shore; Adelaide, Curtis and Razorback Lakes. 
Family NOSTOCACEAE 
Genus NOSTOC Yaucher 1803. 
Nostoc pruniforme (L) C. A. AGARDH, Disp. Algarum 
Sueciae, Pars. 5 (1812) p. 45. Cooke, Brit. Freshw. Algae, 
(1882) p. 233, t. 92, figs. 7-9. Ulva pruniformis Linnaeus, 
Flora Suecica, p. 433. 
Along shore; Plum, Rose and Sunday Lakes. 
Genus ANABAENA Bory de St. Vincent 1823. 
Anabaena flos-aquae (LYNGBYE) DE BREBISSON, 
in Mem. de la soc. Acad, de Falaise, (1835) p. 36. Nostoc 
flos-aquae Lyngbye, Tent. Hydrophyt. Danicae, (1819) p. 
201, t. 68, figs. D1-D3. 
Plankton; Catfish, Devil’s, Kegonsa, Mendota, Nashotah 
(Upper), Oconomowoc, Okauchee, Pine, Squirrel, Waubesa 
and Waupaca Chain o’ Lakes. 
Anabaena planctonica BRUNNTHALER, in Sitzbr. d. 
Kais. Ak. d. Wiss. in Wien, 112, Abt. 1 (1903) p. 292. 
Plankton; Birch, Cranberry and Rock Lakes. 
