Smith — Algae Found in Wisconsin Lakes . 
549 
Genus DIMORPHOGOCCUS A. Braun 1855. 
Dimorphococcus lunatus A. BRAUN, Alg. unicell. 
(1855) p. 44. Rabenhorst, Flora Eur. Algarum 3 (1868) p. 36, 
p. 6, figs. a-c. 
Plankton; Catfish, Kegonsa and Minocqua Lakes. Along 
shore; Rozen Lake. 
Genus INEFFIGIATA W. & G. S. West 1897. 
Ineffigiata neglecta W. & G. S. WEST, in Jour. Roy. 
Micr. Soc. (1897) p. 503. W. & G. S. West, in Jour, of Bot. 
41 (1903) p. 80, t. 447, figs. 1-6. 
Plankton; Devil’s, Green, Kegonsa, Mendota, Mercer, 
Monona, Mud (Vilas Go.), No Mans, Pardee, Sishebogema, 
Turtle (South), Waubesa and Winnebago Lakes. 
Sub-family MICRACTINEAE 
Genus RICHTERIELLA Lemmermann 1897. 
Richterialla botryoides (SCHMIDLE) LEMMER¬ 
MANN, in Hedwigia, 37 (1898) p. 306, t. 10, figs. 1-6. 
Golenkinia botryoides Schmidle, in Allg. bot. Zeitschr. 2 
(1896) p. 194. 
Plankton; Green, Mendota, Pope and North Turtle Lakes. 
Richterialla quadriseta LEMMERMANN, in Hed¬ 
wigia, 37 (1898) p. 307, t. 10, fig. 7. 
Plankton; Catfish and Cranberry Lakes. 
Family OOCYSTACEAE 
Sub-family OOCYSTEAE 
Genus OOCYSTIS Nageli 1855. 
Oocystis parva W. & G. S. WEST, in Jour, of Bot. 36 
(1898) p. 335. 
Plankton; George, Mendota and Muskallonge Lakes. 
Oocystis elliptica var. minor W. WEST, in Jour. Roy. 
Micr. Soc. (1892) p. 736. W. & G. S. West in Jour. Roy. 
Micr. Soc. (1894) p. 14, t. 2, fig. 26. 
Plankton; Upper Nemahbin Lake. 
Oocystis lacustris CHODAT, in Bull. Herb. Boiss. 5 
(1897) p. 296, t. 10, figs. 1-7. 
