624 Wisconsin Academy of Sciences^ Arts, and Letters, 
Anabaena macrospora var. robusta Lemmermann. 
Bot. Cent. 76; 154. 1898. 
II. Camp (ccc). 
Anabaena augstumalis var. marchica Lemmermann. 
Forschungsbr. a. d. biol. Stat. zu Plon 12: 147. 1905. 
II. Center (cc). 
Anabaena lemmermanni P. Richter. 
In Lemmermann, Forschungsbr. a. d. biol. Stat. zu Plon 10: 153. 1903. 
III. Eeserve (r), Eice (sss). 
Anabaena flos-aquae (Lyngbye) de Breb. 
Mem. de la soc. Acad, de Falaise 1835: 36. 
II. Browns (cc), Camp (ss). Eagle (sss), Green (sss), Hooker (r), Mary 
(rr). Mill (ss). Paddock (ccc). 
III. Lac Court Oreilles (ccc), Shell (rrr). 
Anabaena hassallii (Ktz.) Witt rock. 
Algae exsicc. Fasc. 21: 56. 
II. Center (s). 
var. MACROSPORA Wittrock. 
Algae exsicc. Fasc. 21: 56. 
II. Camp (sss). 
Anabaena spiroides var. crassa Lemmermann. 
Bot. Cent. 76: 155. 1898; Kryptogamenfl. d. M. Brandenburg 3: Algen 1: 
188. 159. figs 15-16. 1907. 
II. Hooker (ccc). 
III. Granite (ccc). Vermilion (c). 
Genus APHANIZOMENON Morren 1838. 
Aphanizomenon FLOS-aquae (L) Ralfs. 
Ann. & Mag. of Nat. Hist. 5: 340. pi. 9, /. 6. 1850. 
II. The alga produced a bloom in Amicoy and the Chetek 
group of lakes that filled the entire lake. The appearance of 
