. 



' 



m m ;.'. j/ 



i . ."-- : , y< ! A*>AP / :> / a , ? : 



1 ' 



K5v>'^mlw^ 



^E-/ ^sv^j.' - i " ' 



: ^ iT t ' .J i .'/ 



i : ; > ,i. ,/ 





FIG. 365. An epiphytic fern (Platy cerium) on a tree trunk 



The more upright leaves next to the trunk of the tree serve to collect moisture and 

 to accumulate a deposit of decaying vegetable matter, while the outer leaves 

 serve as foliage and bear spores. After Schimper 



472 



