258 
W. E. WADE 
C. ordinatnin (Boerg.) West and West. Callioun and Chippewa 
Counties. 
C. phaseolus t'a. minor Boldt. Gogebic County. 
C. phaseolus var, elevatum Nordst. Barry and Hougtiton Counties. 
C. pokornyanum (Grun.) West and West. Delta and Menominee 
Counties. 
C. poriianum var. nephroideiim Wittr. Livingston and Schoolcraft 
Counties. 
C. protractum fa. basigramdatum fa. nov. (PI. 1, Fig. 5). 
Haec forma a specie typica possessione utraque in semicellula 
graniili magni supraisthinialis differt. Cellula 42 u. long., 42 [x 
lat. Isthmus 10.5 tx lat. 
This form ditîers froin the typical in the possession of a large 
supraisthmial granule on each semiceil. Cell length 42 [x, cell 
width 42 U, Isthmus 10.5 y.. Lake 22, Presque^ Isle County. 
C. pseudonifiduliiin var. validuni West and West. Chippewa and 
Gogebic Counties. 
C. pseudoornatum Eichl. and Gutw. Sj)ecimens from Menominee 
County are assigned here questionably for they resemble C. or- 
natum Ralfs except for the lack of elevated apices. The measu- 
rements are also considerably larger than those typical for 
C. pseudoornatum Eichl, and Gutw. 
C. pseudopyramidatum var. stenonotum Nordst. Alger County. 
C. pseudopyramidatum var. carniolicum Luetk. County records 
lost. 
C. pseudoiaxichondrum var. foggii Taylor fa. The granular orna¬ 
mentation is slightly reduced and the size of the semicells is 
slightiy smaller in specimens collected in Chippewa County. 
C. quadratiilum (Gay) De Toni, Barry, Calhoun, Chippewa and 
Gogebic Counties. 
C. Quadrum var. sublatum (Nordst.) West and West. Presque Isle 
County. 
C. regnellH var. minimum Eichl. and Gutw. Calhoun and Gogebic 
Counties. 
C. regnesii var. tritum West. Barry County. 
C. sexnotatum var. fristriatum (Luetk.) Schmidle, Calhoun County. 
C. sphagnicoliim West and West fa. Schoolcraft County specimens 
resemble this species although the facial papilla is lacking and 
the constriction is less pronounced. 
C. subbroomei Schmidle fa. West and West. Barry County. 
C. subcapitulum West. Livingston County. 
C. subdepressum West and West. Oakland County. 
C. taxichondrum var. nudum Turner. Delta and Marquette Coun¬ 
ies. 
Soufve . MNHN. Paris 
