Mosses and Lichens 



worm-like, enlarged, and 4-sided at tne basilar angles, the 

 branch-leaves narrower, hooked, and rolled together at the apex 

 of the branches ; the leaf-like appendages (paraphyllia) attached 

 to the stem, large, palm-like or lance-like. 



Branch-leaves. 



Leaf at base of 

 pedicel. 



H. imponens. 



Leaves at the base of the pedicel (perichcetial leaves). Without 

 a vein, gradually narrowed to a long thread-like flexuous and 

 finely toothed point. 



Habit of flowering.-- Male and female 

 flowers on separate plants (dioicous). 



Veil (calyptrd). Thin, split up one side- 



Female plant 



Perigonial leaf. 

 H. imponens. 



Spore-cases 

 with lids. 



Spore-case. Cylindrical, pale-brown, somewhat erect or 

 slightly incurved. 



Pedicel (seta). Long and slender. 



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