350 



INDEX 



Seed, production and germination 

 of hornbeam, 276 



horse-chestnut, 307 



larch, 144 



lime, 303 



maple, 255 



oak, 190 



poplars, 314 



Scots pine, 60 



silver fir, 117 



spruce, 88 



sycamore, 255 



Weymouth pine, 241 



white alder, 296 



willows, 323 

 Service tree, 292 

 Shape, differences of forest trees as 



to, 32 

 Shrubs in coppice and underwood, 



52, 335 



Silver fir, 13, 114 

 Silver fir as the ruling species in 



mixed woods, 124 

 distribution of, 114 

 external dangers to, 1 1 8 

 fungoid diseases of, 118, 119 

 insect enemies of, 118 

 maturity and reproductive capa- 

 city of, 117 

 mixture of beech and, 126, 169, 



175 



birch and, 127, 220 

 larch and, 152 

 oak and, 126 

 Scots pine and, 71, 125 

 spruce and, 99, 124 

 period of rotation of, 117 

 pure forests of, 122 

 requirements as to light, 116 



soil and situation, 115 

 sylvicultural treatment of, 120 

 tree-form and root-system, 115 

 woods, artificial formation and 

 reproduction of, 127, 135 

 natural reproduction of, 



127, 130 

 thinning of, 124 

 Situation, effects of lofty and windy, 



34 



Smaller trees in coppice and under- 

 wood, 335 



Softwoods, 14, 211, 293 



mixture of beech and, 169, 180 



spruce and, 105 



thinning out of, 314, 317 



Soil, demands made by forest growth 



on, 30, 31 

 effects of sun and wind on, 15, 



17, 67 



quality of, 15, 34 

 productive capacity of, 21, 29 

 requirements of forest trees as 



to, 28 



Soil and situation, influence on 

 forest growth of, 26, 44, 49, 



51 



best adapted for alder, 224 



ash, 244 



aspen, 312 



beech, 157 



birch, 213 



black pine, 236 



chestnut, 284 



Douglas fir, 243 



elm, 263 



hornbeam, 274 



horse-chestnut, 307 



larch, 141 



lime, 301 



maple, 253 



mountain ash, 291 



oak, 1 88 



poplars, 312 



Scots pine, 57 



silver fir, 115 



spruce, 85 



sycamore, 253 



Weymouth pine, 241 



white alder, 294 



willows, 321 



Soil-moisture, requirements of dif- 

 ferent trees as to, 29 

 Sowing, quantities of seed requisite 



for, 50 



Sowing of alder, 232 

 ash, 250 

 beech, 184 

 chestnut, 290 

 elm, 271 

 hornbeam, 281 

 horse-chestnut, 309 

 larch, 153 



