22G The Ohio Journal of Science [Vol. XVII, No. 7, 



PALMELLACE.E. 



Palmodactylon varium Nag. Seney, Aug. 12, 1915. Previously 



reported only from Maine. 

 Tetraspora lubrica (Roth) Ag. Breedsville, June 4, 1915; 



Saugetuck, June 1, 1915. All of the specimens seen were 



less than four inches in length. In Illinois specimens a 



foot in length are common and lengths of four feet are 



attained. 

 Tetraspora lubrica var. lacunosa Chauvin. Pool in swamp 



near Douglas Lake, July 10, 1914. (Ruthven). 

 Tetraspora cylindrica (Wahl.) Ag. Rocky shores of Isle 



Royale, July, 1911. (Cooper). 

 Tetraspora limnetica W. & G. S. West. Bog stream near 



Blaney, Aug. 12, 1915. No pseudocilla present. Cell 



diameter, 4;U. 

 Apiocystis Brauniana NageU. Lake, Bangor, June 4, 1915; 



Trout Lake, Aug. 10, 1915. 

 Gloeocystis gigas (Kutz) Lagerh. Ponds, New Buffalo, May 



31, 1915; railroad ditches, Breedsville, June 4, 1915; bog 



near Caffey, Aug. 13, 1915. 



DICTYOSPHAERIACE/E. 



Dictyosphaerium pulchellum Wood. Trout Lake, Chippewa 

 Co., Aug. 10, 1915. 



Ineffigiata neglecta W. & G. S. West. Railroad pools, Man- 

 istique, Aug. 11, 1915; Twin Lake, Muskegon Co., June 12, 

 1915; bog north of Twin Lake, June 2, 1915. 



PROTOCOCCACE^. 



Coelastrum microporum Nageli. Carp Lake, Emmet Co., 



Aug. 9, 1915; railroad pool, Seney, Aug. 12, 1915. 

 Coelastrum sphericum Nageh. Twin Lake, June 2, 1915; 



Seney, Aug. 12, 1915; Carp Lake, Aug. 9, 1915. 

 Coelastrum cambricum Archer. Twin Lake, June 2, 1915; 



Carp Lake, Aug. 9, 1915; bog near Carp Lake, Aug. 9, 1915. 

 Coelastrum scabrum Reinsch. Railroad pool, Mackinaw 



City, Aug. 9, 1915; bog near Carp Lake, Aug. 9, 1915. 



Not previously reported from America. 

 Coelastrum proboscidium Bohlin. Railroad ditch, New Buffalo, 



May 31, 1915. 

 Sorastrum spinulosum Nageli. Seney, Aug. 12, 1915. 



