292 



INDEX 



Planting, relation to pollination, 

 94. 



shallow for small seeds, 28. 



too close, 140. 



with reference to chance crossing, 



273. 



Plantlet, 24, (lab.), 279, 280. 

 Plants, improvement of, 265. 



parts used for cuttings, 197. 



pot-bound, 85. 



potted, 63. 



power to endure cold, 113. 



propagation of, 189. 



protection of, 151, (lab.), 282. 



removal of in transplanting, 234. 



shading of, 137. 



under glass, 140. 



unpacking, 237. 



watering, 63, 111. 



water requirements of, 131. 



which can be grafted, 215. 

 Plum curculio, 171. 

 Plumule, 33. 

 Poisons, 156. 



handling of, 157. 

 Pole shears, 264. 

 Pollen, 89. 

 Pollination, 92. 



best time for, 272. 



of emasculated flowers, 272. 



planting with reference to, 94. 



prevention of undesired, 271. 



relation to wind, 143. 

 Potassium, 149. 

 Potatoes, nobby, 132. 

 Pot-bound plants, 85. 

 Potted plants, 63. 

 Potting, and shifting, 242, (lab.), 

 285. 



soil for, 243. 



Prepared food, current of, 54. 

 Pricking off of seedlings, 68. 

 Prolificacy, 8. 



Propagating-bed, 202, (lab.), 283. 

 Propagation, 186. 



by cutting, 196. 



by division, 188, 189. 



by division of crown, 192. 



by layers 191, (lab.), 283. 



by leaf cuttings, 212.. 



by parts, detached, 193. 



by sections of plants, 195. 



by seeds, 187, (lab.), 283. 



by specialized bud, 193. 



intact, 189. 



of dormant plants, 204. 



to retain variations, 267. 

 Prosenchyma, 44. 

 Protection, against cold, 119. 



against mice, 153. 



of newly set trees, 240. 



of pruning wounds, 251. 

 Protective pruning, 251, 261. 

 Protoplasm, 7. 

 Pruning, 248, (lab.), 285. 



for flowers and fruit, 258, 259. 



for growth, 258. 



for open head, 254, 255. 



for stimulation, 251, 257, 258. 



for stockiness or slenderness, 252, 

 253. 



for strength, 255. 



for symmetry and picturesque- 

 ness, 252. 



implements, 262. 



insufficient, 141. 



knife, 262. 



maturative, 251, 261. 



objects of, 251. 



protective, 251, 261. 



removal of branches in, 250. 



roots, 67, 69, 86, 249, 259. 



saw, 262. 



season for, 249. 



shears, 264. 



wounds, 250, 251. 

 Pumpkin seeds, method of plant- 

 ing, 26, (lab.), 279. 

 Pyrethrum powder, 158, 159. 



Rabbits, 153. 

 Rain, value of, 148. 

 Raspberry hook, 264. 

 Ray-flowers, 91. 

 Repair of split tree, 257. 

 Repelling insects, 155. 

 Replanting, 237. 

 of roots, 239. 



