Smith—Algae Found in Wisconsin Lakes 
651 
Genus SPONDYLOSIUM de Breb. 
Spondylosium planum (Welle) W. & G. S. West. 
Jour. Linn. Soc. Bot. 40: 430. pi. 19, tigs. 5-8. 1912. 
I. Catfish (rr), Cranberry (rr), Devils (r), Pound (r), Eock (rrr). 
III. Beaverdam (rr), Horseshoe (rr), Lac Court Oreilles (r), Eeserve (r), 
Shell (s), Whitefish (rr). 
Spondylosium papillosum W. & G. S. West. 
Trans. Linn, Soc. Bot. 2 Ser. 5: 43. pi. 9, /. 19. 1895. 
III. Devils (rr). 
Spondylosium monioforme Lundell. 
Nova acta r. soc. sci. Upsaliensis 3 Ser. 8: 92. pi. 5, /. 16. 1871. 
III. Beaverdam (rr). 
Genus ONYCHONEMA WaUich 1860. 
Onychonema laeve var. micracanthum Nordstedt. 
Acta. Univ. Lunds 16: 3. 1880; Johnson, Bull. Torr. Bot. Cl. 21: 286. pi. 
211, f. 15. 1894. 
I. Devils (sss), Soft (rrr). 
III. Beaverdam (rrr). Devils (rr). 
Genus HYALOTHECA Ehrenberg 1841. 
Hyalotheca dissiliens (Smith) de Breb. 
In Ealfs, Brit. Desm. 51. pi. 1, f. 1. 1848. 
III. Beaverdam (r). Duck (rr). 
Genus DESMIDIUM C. A. Agardh 1824. 
Desmidium cylindricum Greville. 
Scott. Crypt. PI. 5: 293. pi. 293, figs. 1-3. 1827; Wolle, Desm. U. S. 1st. 
Ed. 25. pi. 3, figs. 1-4. 1884. 
I. No Mans (rrr). 
Desmidium swartzii C. A. Agardh. 
Systema algarum 9. 1824; Ealfs, Brit. Desm. 61. pi. 4, figs. A-P. 1848. 
I, Pound (rr). 
III. Beaverdam (rr), Lac Court Oreilles (rrr). 
