Mosses and Lichens 



like, giving the plant a beautiful plume-like appearance. Leaves 

 hooked and turned to one side, with short double veins or 



u 



Spore -case 

 Leaves. with lid. 



Ctcnium; Hypmim crista-castrcnsis. 



Spore-case without 

 lid. 



none, somewhat serrate at apex. Spore-case large, curved 

 horizontal. 



Euhypnum. Plants variously divided ; branches more or 

 less densely feather-branched ; leaves obscurely two-veined, 



v 



Leaf-cells. Leaf. Spore-case. 



Euhypnum: Hypnum curvifolium. 



Spore-case. Leaf. 



Euhypnum; Hypnum imponens. 



membranous, shining, usually curved ; cells compact, narrowly 

 linear, distinctly four-sided at the angles ; spore-case oblong 

 cylindrical, curved, usually somewhat inclined or horizontal. 



278 



