C. stylosa C.A,Meyer (Hfd.J 
C. Backii Boott. (Gaspe; 
C. scirpoidea Michx. 
C. urnhellata Schktihr. 
C. limb. var. tonsa Femald ^ 
rt. ^>v -n^. ‘ 
C. umb., var. brevirostris Boott. ‘ 
C. deflexa Hornem. 
?5H, 
C. albicans V/illd, 
C. pemmunis Bailey , 
iu*. Y, ft,, fy^ 'ym\ , 
C. y'aria Muhl. ^ , , 
\ y, ' ■$ M . ,fc I >o«. . fVjoff, , “<t- , 
0, novae-angliae Schv/ein. 
YT^cf, ThYr>^^U> 
C, pensylvaniea Lam. 
