14] VEGETATIONAL TYPES OF TROPICAL LANDS 



433 



Fig. 146. — An epiphytic Fern {Drynaria sp.) which has small humus-gatherinp 

 leaves and larger photosynthetic ones that also produce spores. ( about iV.) 



Fig. 147. — An epiphytic Bromeliad (Billbergia sp.) \\ith a mass of fibrous roots 

 investing the branch of the ' host ' tree. Note that the leaves form urn-shaped 

 cups for collecting and holding water, which is absorbed by special hairs on their 



insides. ( < J.) 



