284 



Index. 



Pruning, seawon for, 243; -shears, 256; 

 stimulative, 251; where and how 

 to make the cut in, 213. 



Psychrcjmeter, sling, 128. 



Puddled plants, washing roots of, 

 231. 



Puddled soil defined, 26; prevents 

 germination, 27. 



Puddling the roots of trees, 230. 



Pumpkin, provision in, toaid plant- 

 let to emerge from seed-case,33,34. 



Pyrethrum powder, 159. 



Rabbits, damage from, 1.55. 



Radicle, 33. 



Raspberry i^runing hook, 257. 



Rate of root growth, 76. 



Reduced vigor, tendencies of, 13. 



Reducing the tops of trees prior to 

 planting, 232. 



Removing the plant, 229. 



Reproduction defined, 10; relation 

 to growth, 16; sexual and non- 

 sexual, 16. 



Reserve food, 15; how plants use, 63; 

 how to promote accumulation of, 

 91; storage of, 63. 



Resin washes, 162. 



Rest period, 109; not peculiar to 

 temperate zones, 110; plant pro- 

 cesses may not entirely cease dur- 

 ing, 112. 



Reversion, 260. 



Richards' transplanting tools, 236. 



Ring-budding, 221, 221. 



Ringing, defined, 243; often causes 

 formation of flower-buds, 92. 



Ripening of fruits, 103. 



Root, and the soil, 64; ottice of, IW; 

 originates in stem, 64; starvation, 

 62. 



Root branching, conditions affect- 

 ing, 73. 



Root branching, how stimulated, 

 74; should be encouraged, 73. 



Root cap, 70. 



Root cuttings, 204. 



Root grafting, 215. 



Root grafts, tool for planting, 2:i5. 



Root growth, excited by moisture, 

 65; rate of, 76. 



Root-hairs absorb water with con- 

 siderable force, 72; apply them- 

 selves to soil particles, 67, 70; dis- 

 solve soil particles, 72; nature of, 

 49, 70; show need of roots for air, 66. 



Root-killing of trees, 123. 



Root pruning to promote flowering 

 and fruiting, 253; stimulates root 

 branching, 74, 7.5. 



Root tubercles, 77. 



Roots, depths of, in soil, 75; destroy- 

 ed by excessive water in soil, 133; 

 growth of in length, 70; horizon- 

 tal extent of, 75; of trees, pud- 

 dling, 230; only youngest active in 

 absorption, 72; oxygen necessary 

 to life of, 65; properly and im- 

 properly planted, 234; relation of, 

 to food supply, 77; replanting the, 

 233; start from hypocotyl, 35; 

 trimming of, prior to planting, 

 232; washing, of puddled plants, 

 231; wetting prior to planting, 233, 



Root-tip, how penetrates the soil, 69 



Root^tips, formation of should be 

 encouraged, 72. 



Rose beetle, 157. 



Rosin washes, 162. 



Round of plant life, the, 22, 113. 



Rust of blackberry, 172. 



Sacking the roots of trees, 228. 



Saltpeter, 152. 



Sap deflned, 46. 



Sap, flow of in spring, 60. 



Sap-sprouts on fruit trees, 135. 



SaAV, pruning, 256. 



Science and art deflned, 9; how best 

 learned, 10. 



Scientiflc names, why used, 19. 



Scion, 210. 



Screens for shading plants, 140, 141. 



Season for pruning, 243. 



Seed, 102; age of, as aflTecting the re- 

 sulting crop, 108; maturing of, in- 

 jures fodder crops, 103; plantlet 

 visible in, 40; production of ex- 

 hausts plants, 102; selection, im- 

 portance of, 262; vigor of plantlet 

 proportionate to size of, 38; vital- 

 ity, conditions aflecting duration. 

 of, 106. 



