412 INDEX. 



PAGE 



Persimmon native species 220 



propagation of the 223 



Phellodendron for ornamental use 34 1 



Phlox perennial, for bedding 367 



Pineapple its history and uses 214 



increased uses of the 216 



Pines for ornamental planting 346 



Plane or button wood tree 331 



Plants division of 63 



Plum top- working the 86 



crown-grafting 81 



stocks for 88 



distance apart in planting 108 



pruning 135 



history and classes of 180 



propagation of the 1 86 



ornamental species of 336 



Pollen how gathered for crossing 103 



when and how used 104 



Pomegranate 218 



Pomelo or grape-fruit, 202 



propagation of the 203 



Poplar best species of, for parks 339 



Poppy oriental 368 



Propagation in Europe 41 



from seeds. 43 



by root-cuttings 44 



by mounding 45 



summer layering 46 



spring layering 48 



inarching 50 



long-scion inarching 52 



ripe wood cuttings. ... 53-56 



green wood cuttings 61 



by division 63 



budding and grafting 66-74 



top-grafting 84 



bark-grafting 91 



grafting the apple 78-164 



quince 173 



