INDEX. 281 



Small seedlings, when used, 221 



Soft woods defined, 5 



Soil, influence of, on climate, 8 



role it plays with regard to plants, 12 

 physical properties of, 12 

 mineral composition of, 12 

 preparation of, in nurseries, 211 



,, in direct sowings, 231 



Soils, properties of clay, 13 



,, limestone, 13 



,, sandy, 14 



classified according to amount of moisture, 15 

 stiff and light, 15 

 cold and warm, 15 

 rich and poor, 16 

 marly, 16 

 Sowing versus planting, 201 

 ,, in nurseries, 213 

 ,, direct, 231 



preparation of soil, 231 

 surface firing, 234 

 draining, 235 

 season for, 230 

 method employed, 237 

 quantity of seed to use, 238 

 ,, operations in fixing the Dunes, 252 

 Soutrage, 256 

 Species defined, 2 



two principal groups, 16 

 list of, 268 



Spindle tree counted as brushwood, 5 

 Spruce fir, natural method inapplicable to, 91 

 treatment of, by selection, 103 

 seeds of, when gathered, 205 



,, number in given weight or volume, 215 

 ,, fraudulently mixed with Scotch pine seeds, 239 

 age at which to put out seedlings of, 229 

 quantity of seed to sow per acre, 240 

 Standards in simple coppice, 122 



in coppice with standards, 133 

 classification of, 134 

 choice of, 134 

 number of, 138 

 distribution of, 146 

 pruning of, 158 

 Stiff soils, 15 



Stool, species reproduced freely from the, 114 

 Stools, on, term when used, 4 

 Streunutzung, 256 

 Sucker defined, 2 



