Mosses and Lichens 



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

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



Leaves. 



Spore-case without 

 lid. 



Ctenium: Hypnum crista-castrensis. 



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, 



Leaf-cells. Leaf. Spore-case. 



Euhypnum: Hypnum curuiiolium. 



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. 



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