38 



Cosniarium ornatum Ralfs. — A 173 in part, St. Louis river. 



Cosmarium speciosum Lund., var. abbreviatum Wolle (». var.). 

 Differs from the type-form in being only about one-tenth longer than broad: 

 not one-half longer, as described by Lundell, and as hitherto found. — A 149 

 in part, A 173 in part, St. Louis river. In clear water running through a 

 ditch in a sphagnous swam}). 



Cosmarium tetraophthalmum (Kg.) Breb. — A 184 in part, Ver- 

 milion lake. A 189 in part, St. Louis river. 



Docidium trabecula (Ehrb.) Xag.— A 149 in part, St, Louis river. A 

 190 in part. Vermilion lake. 



Euastrum ansatum (Ehrb.) Ralls. — A 190 in part, Vermilion lake. 



Euastrum erassum (Breb.) Kg. — A 196 in pact, St. Louis river. In 

 clear water running through sphagnous swamp. 



Euastrum elegans Kg. — A 189 in part, St. Louis river. 



Euastrum oblongum Ralfs. — A 149 in part, St Louis river. A 190 in 

 part. Vermilion lake. 



Euastrum verrucosum (Ehrb.) Ralfs.— A 173 in part, St. Louis river. 



Pe ilium elosterioides Ralfs. — A 192 in part, St. Louis river. In 

 clear water in a sphagnous swamp. 



Peuium oblongum De B. — A 187 in part, A 188, St. Louis river. 



Staurastrum alteruaus Breb. — A 149 in part, St. Louis river. 



Staurastrum brevispina Breb. — A 192 in part, St. Louis river. 



Staurastrum dejectum Breb. — A 190 in part, St. Louis river. 



Staurastrum dickiei Rails. — A 149 in part, St. Louis river. 



Staurastrum fureigerum Breb. — A 190 in part, Vermilion lake. 



Staurastrum liirsutum (Ehrb.) Breb.— A 173 in part, St. Louis 

 river. 



Staurastrum orbiculare (Ehrb.) Ralfs. — A 190 in part, Vermilion 

 lake. 



Staurastrum rugulosum Breb. — A 184 in part, Vermilion lake. 



Staurastrum scabrum Breb. — A 191 in part, St. Louis river. Clear 

 water in sphagnous swamp. 



Staurastrum spongiosum Breb. — A 190 in part, Vermilion lake. 



Staurastrum subarcua turn Wolle— A 190 in part, Vermilion lake. 



Staurastrum telifenim Ralfs. — A 184 in part, Vermilion lake. A 

 190 in part. St. Louis river. 



PAxnoiuxEJ-:. 



Pandorina morum Bory. — A 54, Vermilion lake. (Determined by 

 Wolle.) 



PKOTOPHYTA. 



PALMELLACE.i:. 



Totraspora lubrica Ag.: var. lacunosa, Chanv. — A 192 in part, St. 

 Louis river. In clear flowing water. (Determined by Wolle.) 



CIIKOOCOCCACE.F.. 



Merismopedia elegans A. Br. (?) — A 190 in part, Vermilion lake- 



(Determined by Wolle.) 



