622 Wisconsin Academy of Sciences, Arts, and Letters. 
Genus COELOSPHAERIUM Nageli 1849. 
COELOSPHAERIUM KUETZINGIANUM Nageli. 
Gatt. einz. Algen 54: pi. 1, f. C. 1849. 
II. Browns (rr), Eagle (ss), ElizaLetli (s), Green (rr), Hooker (rr), 
Mary (s), Mill (rrr), Paddock (ss), Silver (rr). 
III. Bear (r), Beaverdam (ss), Grindstone (rr), Horseshoe (rrr), Island 
(ss). Little Eice (ss), Owen (rrr), Pokegema (rrr), Eeserve (ss), 
Eice (rr), Whitefish (s). 
COELOSPHAERIUM NAEGELIANUM Unger. 
Mitth. d. Naturw. Ver. f. Steiermark 2: h. 1: pi. 2; Borge, Bot. Not. 1900: 
10. pi. 1, /. 5. 
II. Browns (rr), Camp (ccc). Center (a), Elizabeth (r), Hooker (rr), 
Mill (rr), Paddock (ccc). Silver (ccc). 
III. Amicoy (ss). Bear (s), Beaverdam (ccc), Birch (aa), Chetac (aa). 
Devils (ss). Duck (ss). Dummy (rrr). Granite (ss). Grindstone 
(ss). Horseshoe (ss). Island (cc), Littlerice (cc). Number One 
(ss), Pokegema (s). Prairie (ss), Eice (cc), Whitefish (ccc). 
Genus GOMPHOSPHAEEIA Kiitzing 1836. 
Gomphosphaeria aponina Kiitzing. 
Decades 16: No. 151. 1836; Tabulae Phycol. 1: 22. pi. 31, f. 3. 1849. 
I. Pine (rr). ; 
II. Browns (rr). Center (rr). Eagle (rr), Elizabeth (rr), Mary (rr). 
Silver (rr). 
var. coRDiFORMis Wolle. 
Bull. Torr. Bot. Cl. 9: 25. pi. 13, f. 11. 1882. 
III. Beaverdam (sss). 
Gomphosphaeria lacustris Chodat. 
Bull. Herb. Boiss. 6: 180. /. 1. 1898; W. & G. S. West, Trans. E. Irish 
Ac. 33: sec. B": 112. pi. 11, figs. 24-27. 1906. 
I. Mendota (s). 
III. Beaverdam (c). 
Genus MERISMOPEDIA Meyen 1828. 
Merismopedia tenuissima Lemmermann. 
Bot. Cent. 76: 154. 1898; Forschungsbr. a. d. Biol. Stat. zu Plon 7: 132. 
pi. 1, f. 21. 1899. 
II. Camp (rr), Mary (rr). 
