Index. 



297 



Propagation by cuttings, 201 ; by 

 detached parts, 197 ; by divi- j 

 sion, 182, 193 ; by division of 

 tlie crown, 197 ; by grafting, 

 220 : by layers, 196 : by parts 

 intact, 19.S : bv sections of tbe 

 plant, 200: by seeds. 191; by 

 specialized buds, 197 ; by sto- 

 lons, 195 : by suckers, 194 ; 

 inetbods of, 191. 



Prosenebyma, 51. 



Protective pruning, 267. 



Protoplasm, active state of, 15 ; 

 dormant state of, 15 ; some 

 properties of, 15. 



■PTOYirpfil fipfined. SO. 



Pruning defined, 253 ; for density, 

 260 ; for flowers or fruit, 264 ; 

 for growth. 264 : tor oictur- 

 esoueness, 259 : for slenderness. 

 259 ; for stockiness, 259 ; for 

 strength, 261 ; for symmetry. 

 257 : formative, 257 : Imple- 

 ments, 268 : insufflclerit. pre- 

 vents formation of fruit buds, 

 149 : knife, 268 : matiirative 

 267 ; nbiects of, 257 : protec- 

 tive. 267 : saw. 268 : season 

 for. 255 : shears. 268 : stimu- 

 lative. 263 : where and how to 

 make tbe cut in. 255. 



Psychrometer, sling. 131. 



Puddled plants, washing roots of, 

 243. 



Puddled soil defined, 26 ; prevents 

 germination, 27. 



Puddling the roots of trees, 241. 



Pn^nirin nrovlslon In, to aid 

 plantlet to emerge from seed- 

 ease, 34, 35. 



Pyrethrum powder, 166. 



Rabbits, damage from, 161. 



Radicle. 33. 



Raspberry pruning hook, 269. 



Rate of root growth, 78. 



Reduced vigor, tendencies of, 13. 



Reducing the tops of trees prior 

 to planting, 243. 



Removing the plant, 240. 



Reproduction defined, 16 ; rela- 

 tion to growth, 16 ; sexual and 

 non-sexual, 16. 



Reserve food, 15 ; how plants use, 

 64 ; how to promote accumula- 

 tion of. 91 ; storage of, 64. 



Resin washes, 169. 



Rest period, 111 ; not peculiar to 

 temperate zones, 112 ; plant 

 processes may not entirely 

 cease during, 115. 



Reversion, 272. 



Richards' transplanting tools, 



247. 

 Ring-budding, 232, 235. 

 Ringing, defined, 254 ; often 

 causes formation of flower- 

 buds, 94. 

 Ripening of fruits, 106. 

 Root, and the soil, 65 ; oflBce of, 

 65 ; originates in stem, 65 ; 

 starvation, 63. 

 Root branching, conditions affect- 

 ing, 74. 

 Root branching, how stimulated, 

 75 ; should be encouraged, 74. 

 Root cap, 71. 

 Root cuttings, 214, 215. 

 Root grafting, 226. 

 Root grafts, tools for planting, 



247. 

 Root growth, excited by moisture, 



66 ; rate of, 78. 

 Hoot-bairs absorb water with con- 

 siderable force, 73 ; apply them- 

 selves to soil particles, 72, 70 ; 

 dissolve soil particles, 72 ; na- 

 ture of, 49, 71 ; show need of 

 roots for air, 67. 

 Root killing of trees, 126. 

 Root pruning to promote flower- 

 ing and fruiting, 265 ; stimu- 

 lates root branching, 75, 76. 

 Root tubercles, 79. 

 Roots, depth of, in soil, 77 ; de- 

 stroyed by excessive water in 

 soil, 137 ; growth of in length, 

 71 ; horizontal extent of, 76 ; of 

 trees, puddling, 241 ; only 

 youngest active in absorption, 

 74 ; oxygen necessary to life of, 

 66 ; properly and improperly 

 planted, 244 ; relation of, to 

 food supply. 78 ; replanting the, 

 243 ; start from hypocotyl, 35 ; 

 trimming of, prior to planting, 

 243 ; washing, of puddled 

 plants, 243 ; wetting, prior to 

 planting, 244. 

 Root-tip, how penetrates the soil, 



70. 

 Root-tips, formation of should be 



encouraged. 74. 

 Rotation of crops, 158. 

 Rose beetle, 163. 

 Kosin washes, 168. 

 Round of plant life, the, 22. 116. 

 Rust of blackberry, 181. 

 Sacking the roots of trees, 240. 

 Saltpeter, 157. 

 Sap defined, 46. 

 Sap, flow of in spring, 61. 

 Sap-sprouts on fruit trees, 140. 

 Saw, pruning, 269. 



