INDEX 



237 



Nectria ditissima, 136. 

 Nematus Erichsoni y 1 22. 

 Nordmann's fir, notes on, 167. 

 Normal forest, 205. 

 Notch planting, 68. 

 Number of plants per acre, 65. 



of trees per acre, 78. 

 Nurseries, 48. 



area of, 50. 



choice of site for, 49. 



formation of, 50. 



laying out of, 52. 



manuring of, 51. 



pricking out, 57. 



quality of seed, 56. 



sowing seed-beds, 52. 



tending of, 59. 

 Nursery management, 47. 

 Nurses in plantations, 45. 



Oak leaf-roller moth, 119. 



pedunculate, notes on, 156. 



sessile, notes on, 157. 



Turkey, notes on, 157. 

 Objects of the owner, 19. 

 Osier, notes on, 163. 

 Ovary, 15. 

 Ovules, 15. 



Pan, 224. 



Paraffin emulsion, 114. 



Parasites, 128. 



Partial clearance, 79. 



Peridermium pint, 132. 



Petals, 14. 



Peziza Wilkommii^ 133. 



Photosynthesis, 8. 



Phytophthora omnivora, 137. 



Pine beetle, US. 



blister, 132. 



sawfly, 121. 



weevil, 116. 

 Pistil, 15. 



Plane, notes on, 157. 

 Planting, 61. 



cost of, 70. 



density of, 64. 



methods of, 67. 



season for, 62. 

 Plants, age and size of, 6l. 



distribution of, in planting, 63. 



lifting of, 62. 



Plants, number of, per acre, 65. 



pruning of, 58. 



purchase of, 48. 



raising of, in nurseries, 49. 

 Pollen grains, 14. 

 Polyporus sulphur eus, 136. 

 Poplars, notes on, 158. 

 Porosity of the soil, 31. 

 Possibility, definition of, 210. 

 Preparatory cutting in natural 



regeneration, 91. 

 Protection against 



animals, 108. 



birds, no. 



frost, 25, 138. 



fungi, 127. 



insects, ill. 



storms, 140. 



weeds, 125. 

 Protoplasm, n. 

 Pruning of young plants, 58. 



of trees, 80. 

 Pupa, 112. 



Purchase of plants, 48. 

 Pure woods, 36, 46. 



Rabbit fencing, 183. 

 Rabbits. 108. 



Red Cedar, notes on, 164. 

 Red-rot root fungus, 131. 

 Remarkable pine, 173. 

 Reproduction, 14. 

 Respiration, ia 

 Rotation, 83. 



Sallow, notes on, 162, 



Saprophytes, 128. 



Sapwood, 12. 



Sawflies, 121. 



Scale insects, 122. 



Scientific names of species, 19. 



Scotch pine, 169. 



Seed, age at which produced, 95. 



beds, 52. 



dispersal of, 1 6. 



sowing, 5 2 - 



testing of, 56. 



quality of, 56. 



Seeding cutting in natural re- 

 generation, 91. 



