346 



INDEX 



Fungoid diseases of oak, 192 

 poplars, 316 



Scots pine, 61, 65, 69, 82 

 silver fir, 118, 119, 121, 139 

 spruce, 89, 101 

 sycamore, 257 

 white alder, 296 

 willows, 325 



G 



GROWING space, 22, 33, 51 

 Growth of forest trees, special in- 

 dividual considerations regarding, 



55 

 Growth of timber crops in general, 



20 



Growth in cubic contents, 42 

 girth, 24, 40 

 height, 23, 35 



H 



HARDWOODS, 14, 155, 243 

 Hawthorn, 341 

 Hazel, 339 

 Holly, 341 

 Hornbeam, 14, 272 



coppicing of, 277, 280 

 distribution of, 272 

 external dangers to, 276 

 fungoid diseases of, 277 

 insect enemies of, 277 

 maturity and reproductive capa- 

 city of, 276 



mixture of beech and, 179, 278 

 elm and, 269 

 oak and, 278 

 requirements as to light, 275 



soil and situation, 274 

 sylvicultural treatment of, 277 

 tree-form and root-system of, 



273 



Horse-chestnut, 14, 306 

 Humus, 15, 16, 31, 75, 146, 159, 

 163, 167, 216 



I 



INCREMENT, 42 



Increment, effects of soil and situa- 

 tion on, 44 



Indigenous trees of Britain, 2 

 Insect enemies of alder, 227 



ash, 246 



aspen, 316 



beech, 161 



birch, 215 



black pine, 237 



elm, 267 



hornbeam, 277 



horse-chestnut, 308 



larch, 140, 145 



lime, 304 



maple, 256 



oak, 192 



poplars, 316 



Scots pine, 61, 66, 70 



silver fir, 118 



spruce, 89, 92, 93, 101, 160 



sycamore, 256 



white alder, 297 



willows, 324 



JEFFREY'S pine, 13, 242 

 Juniper, 338 



LARCH, 14, 139 



distribution of, 139 

 external dangers to, 144 

 fungoid diseases of, 145 

 insect enemies of, 145 

 maturity and reproductive capa- 

 city of, 143 

 mixed forests of, 151 

 mixture of beech and, 152, 169, 



178 



Scots pine and, 72, 152 

 silver fir and, 152 

 spruce and, 99, 152 

 pure forests of, 148 

 requirements as to light, 143 



soil and situation, 141 

 sylvicultural treatment of, 145 

 tree-form and root-system of, 



140 



woods, artificial formation and 

 reproduction of, 152 



