172 



DIPTEROCARPEJE. 



[chap. 



The Family abounds in a resin which is collected from 

 several species, as Vateria indica^ which affords Indian 

 Copal. Our type-species, besides furnishing a balsamic 



Fig. 113. Fruit of a species oi Dipterocarp7is : the calyx persistent ; the tube 

 enclosing the ovary and two of the lobes accrescent. 



resin, yields one of the most valuable of Indian timbers. 

 Sumatra Camphor is the resin of a Dryobalanops. It is 



