44 



GLA88IFIGATI0N OF M088E8. 



Genera. 

 B. Leaves small and pointed, set round the stem. 



a. Capsule without fruitstalk. On trunks of trees. Cryphcea. 



In water. Gindidotus. Fontinalis. 



b. Cajjsule on a fruitstalk. In dense mats. Leaves like scales. Side branches 



undivided. Hypnum. CylindroiJiecium,. 



Side branches repeatedly forked. Leptodon. Hypnum. 



Leaves at an acute angle with the stem. Stems forked ; or straight, with 

 side branches undivided. Plants in mats. 



Hypnum. Leucodon. AntitricTiia. Anomodon. Leskea. 

 Stem straight, side branches divided. Hypnum. 



IV. Stems eeect, beanched at the top. 

 {True Trees.) 



Roots ckeepinq. 



a. Stems short. Branches few. Pterogonium. 



iS. Stems two to six Inches high. Branches many. CapsiJe on branches. 



Leaves small. Olimacium. Isotliecium. 



y. Stems tall. Branches drooping. Capsules at the summit of the stem. 



Leaves large, Mnium. 



