The Genus Hypnum 



slightly curved. Leaf-cells comparatively broad, short six-sided, 

 usually not abruptly enlarged in the angles. Pedicel tall and 

 smooth. Spore-case more or less 

 cylindrical and curved, with conical 

 lid obtuse or acute. 



Base. 



Apex. 

 Leaf -cells. 



Leaves. 



Amblystegittm varium. 



Harpidium. Stems usually tall, more or less feather- 

 branched ; leaves scythe-shaped and turned to one side, very 

 acutely pointed ; win simple, often reaching the apex ; cells 



Portion of leaf to show 

 Leaf. enlarged alar cells. 



Harpidium -uncinatum. 



narrow, linear, the alar much inflated. Plants often growing 

 in water. 



Ctenium. Plants in compact tufts of a pale yellow-green, 

 the branches and branchlets regularly and closely placed feather- 



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