59, 



on trees and dry rocks, Exaples of this type are 

 Polypodium polypodioides and P.vulgare and many 

 other tropical ferns and orchids,' Pseudoepiphytes, 

 or false epiphytes, are those forms which are ordinarily 

 terrestrial plants "but by some agency or "accident" 

 they axe brought to the tree and succeed in growing 

 there for some time, These plants possess no special 

 adaptations and practically never reach maturity on 

 their supporting plant. Such epiphytes have no definite 

 regional distribution and are found in all parts of 

 the earth, As soon as condtions for development and 

 growth become distictly different from those on the 

 ground, they wither away and die,' 



