Smith—Algae Found in Wisconsin Lakes 
637 
Genus SCENEDESMUS Meyen 1829. 
ScENEDESMus OBLIQUES (Turp.) Kiitziug. 
Linnaea 8: 609. 1833; G. S. West, Brit. Freshw. Algae 220. fig. 92A. 1904. 
III. Eice (rr). 
SCENEDESMUS BiJUGA (Turb.) Lagerheiiu. 
Nuova Notarisia 1893: p. 158; G. S. West, Brit. Frsehw. Algae 220. fig. 
92C. 1904. 
II. Mill (rr). Silver (rr). 
SCENEDESMUS AKCUATUS Lemmermann. 
Forschimgsbr. a. d. Biol. Stat. zu Plon 7: 112. pi. 1, figs. 2-4. 1899. 
II. Camp (rrr). Center (ss). Paddock (rrr). 
III. Beaverdam (rr). Lac Court Oreilles (rrr), Owen (rrr), Eeserve (rr). 
Shell (rrr). 
var. capitatus var. nov. 
Cells with nodular thickening at poles. Dimens, cells, 
11-23 X 5-11/X. (Plate 11, figs. 4-5). 
II. Center (rr). 
var. PLATYDiscA G. M. Smith. 
Trans. Wis. Acad. Sci. Arts. & Lett. 18^: 451. pi. 30, figs. 101-105, 1916. 
I. Pine (rr.) 
II. Camp (rrr). Eagle (rr). Paddock (rr). 
SCENEDESMUS DENTicuLATUs Lagerheim. 
Ofvers. Kgl, Vet.-Ak. Forh. 39: No. 2: 61. pi. 2, figs. 13-17. 1882. 
II. Browns (rr). Silver (rrr). 
III. Amicoy (rr). 
SCENEDESMUS ACUTiFORMis Schroder. 
Forschungsbr. a. d. Biol. Stat. zu Plon 5: 45. pi. 2, figs. 4a-4b. 1897. 
III. Eice (rrr). 
SCENEDESMUS BRASILIENSIS Bohlin. 
Bih. t. Kgl. Vet.-Ak. Handl. 23: Afd. 3: No. 7: 22. pi. 1, figs. 36-37. 1897. 
III. Beaverdam (rrr), Prairie (rr), Eice. (rr). 
