viii CONTENTS. 



PART IV. GUMS, RESINS, ETC. ... 



Section i. Gums - ^5 



2. Resins - . . i^g 



3. Caoutchoucs and Guttas - 153 



V. DYES AND TANNING MATERIALS - - 157 



VI. FIBRES AND PAPER MATERIALS - 164 



VII. TIMBER AND OTHER WOODS - - -173 



VIII. AGRICULTURAL PLANTS - - . !g 9 



IX. MISCELLANEOUS PRODUCTS - - -192 



SYSTEMATIC SYNOPTICAL INDEX - - . -196 



GENERAL INDEX - - - _ . . 2IO 



