Smith—Algae Found in Wisconsin Lakes . 559 
Club, 11 (1902) p. 211, t. 37, figs. 1-3. Rivularia elegans 
Roth, Neue Beitr. Bot. 1 (1802) p. 269. 
Along shore; Green and Miner’s Lake. 
Genus MYXONEMA Fries 1825. 
Myxonema lubricum (DILLWYN) FRIES, Systema 
Orbis Yegatabilis. Plantae Homonemeae, (1825) p. 343. 
Conferva lubrica Dillwyn, Brit. Conferveae (1806) t. 57. 
Along shore; Geneva, Monona and Waubesa Lakes. 
Genus DRAPARNALDIA Bory de St. Vincent 1808. 
Draparnaldia plumosa (VAUGHER) C. A. AGARDH, 
Disp. algarum Sueciae, (1812) p. 42. Batrachospermum 
plumosum Yaucher, Histoire des Conferves d’eau douce, 
(1803) p. 113, t. 11, fig. 2. 
Along shore; Devil’s and Sunday Lakes. 
Genus MICROTHAMNION Nageli 1849. 
Microthamnion Kuetzingianum NAGELI, in Kut- 
zing, Species Algarum (1849) p. 352. Hazen, in Mem. Torr. 
Bot. Club, 11 (1902) p. 191, t. 26, fig. 1; t. 27, figs. 2-4. 
Along Shore; Otter Lake. 
Microthamnion strictissimum RABENHORST, Die 
Algen Sachsens, Dec. 82 (1859) No. 829. Hazen, in Mem. 
Torr. Bot. Club, 11 (1902) p. 191, t. 26, figs. 2-5. 
Along shore; Tank and Plum Lakes. 
Family CHAETOPELTIDIACEAE 
Genus CHAETOSPHAERIDIUM Klebahn 1892. 
Chaetosphaeridium globosum (NORDSTEDT) KLE¬ 
BAHN, in Jahrb. Wiss. Bot. 25 (1893) p. 306, t. 14, fig. 5. 
Herposteiron globosa Nordstedt, in Minneskrift utgifven a K. 
Fysiografiska sallskapet i Lund med anledning af dess hun- 
draarsfest d. 3 Oct. 1878, p. 23, t. 2, figs. 22-23. 
Along shore; Plum and Razorback Lakes. 
15 
