Index. 



Pruning 



and how to make the cut in, 

 254. 



Psychrometer, sling, 131. 



Puddled plants, washing roots 

 of, 242. 



Puddled soil defined, 26; pre- 

 vents germination, 27. 



Puddling the roots of trees, 240. 



Pumpkin, provision in to ai'd 

 plantlet to emerge from seed- 

 case, 34, 35. 



Pyrethrum powder, 166. 



Rabu.cs, damage from, 161. 



Radicle, 33. 



Raspberry pruning hook. 268. 



Rate of root growth, 78. 



Reduced vigor, tendencies of, 13. 



Reducing the tops of trees prior 

 to planting, 242. 



Removing the plant, 239. 



Reproduction defined, 16; rela- 

 tion to growth, 16; sexual 

 and non-sexual, 16. 



Reserve food, 15; how plants 

 use, 64; how to promote ac- 

 cumulation of, 91; storage of, 

 64. 



Resin washes, 168. 



Rest period, 111; not peculiar 

 to temperate ' zones, 112; 

 plant processes may not en- 

 tirely cease during, 116. 



Reversion. 271. 



Richards' transplanting tools, 

 246. 



Ring-budding. 231, 234. 



Ringing, defined, 253; often 

 causes formation of flower- 

 buds, 94. 



Ripening of fruits, 106. 



Root, and the soil, 65; office of, 

 65; originates in stem, 65; 

 starvation, 63. 



Root branching, conditions af- 

 fecting, 74. 



Root branching, how stimu- 

 lated, 75; should be encour- 

 aged. 74. 



Root cap, 71, 



Root cuttings, 213, 214. 



Root grafting, 225. 



Root grafts, tools for planting, 

 246. 



Root growth, excited by moist- 

 ure, 66; rate of, 78. 



Root-hairs absorb water with 

 considerable force, 73; apply 

 themselves to soil particles, 

 72; 70; dissolves soil parti- 

 cles, 72; nature of, 49, 71; 

 show need of roots for air, 

 67. 



Root killing of trees, 126. 



Root pruning to promote flow- 

 ering and fruiting 264; stim- 

 ulates 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, 

 i40; only youngest active in 

 aosorption, 74; oxygen neces- 

 sary to life of, 66; properly 

 and improperly planted, 243; 

 relation of, to food supply, 

 78; replanting the, 242; start 

 from hypocotyl, 35; trimming 

 of, prior to planting, 242; 

 washing, of puddled plants, 

 242; wetting, prior to plant- 

 ing, 243. 



Root-tip, how penetrates the 

 soil, 70. 



Root-tips, formation of should 

 be encouraged, 74. 



Rotation of crops, 158. 



Rose beetle, 163. 



Rosin washes, 168. 



Round of plant life, the 22. 

 116. 



Rust of blackberry, 180. 



Sacking the roots of trees, 239. 



Saltpeter, 157. 



Sap defined, 46. 



Sap, flow of in spring, 61. 



