HEVEA BRASILIENSIS 



PHRA RUBBER 



ITS BOTANY, CULTIVATION, CHEMISTRY AND 

 DISEASES 



HERBERT WRIGHT, A.R.C.S., F.L.S., 



Controller, Government Experiment Station, 

 Peradeniya, Ceylon. 



SECOND EDITION. 



WITH PLATE5 AND DIAGRAMS. 



COLOMBO : 



Messrs. A. M. & J. Pergu.sox. 



1906. 

 [Copyright in Great Britain.] 



