42 TEE AMATEUR' 8 



Genera. 

 3'. Stems slender. Two to four inclies long. In tufts. Leaves small. 



On rocks. Andrcea. 



Leaves silky and long. On earth. 



Bicranum. Bicranodontium. Trichostomum. Campylopus. 

 On decayed animal matter. Tetraplodon. 



E. Stems in compact cushions. 



Capsule long, leaves bright green. 



Bryimi. Trichostomum. Tortula. Dicranum. Bldymodon. 

 Leaves whitish-green. Leucoiryum. 



Capsule round. Gatoscophmi. Bartramia. Coiostomum, Bartrainidula. 

 r. Leaves large in proportion to the plant. 

 a. Stems short. Capsule on short fruitstalk. On earth or rocks. 



QSdipodium. PJiyscomitrium. Anacalypta. 

 Capsule on very long fruitstalk. Calyptra smooth, or slightly 



hairy. On decayed animal matter. Splaclmwn. 



On earth. Oligotrichum,. Funaria. 



Calyptra hairy. ' Pogonatum. 



(3. Stems long. Capsule oblique, with a long beak. Calyptra smooth. 



Leaves transparent. Atrichum. 



Capsule erect, with a short beak. Calyptra hairy. Leaves 



opaque. Pogonatum. Polytrichum. 



y. Capsule drooping, urn-shaped or oval. Stems short. Fruitstalk short. Orimmia. 

 Fruitstalk long. Orthodontium. Bryum. Leptohryum. 



Stems long. 



Leaves large and few, spreading at the top. Stems smooth. 



Bryum. Mnium. 

 Stems matted with roots. Mnium. Cinclidium. 



