292 



Index. 



Chlorophyll — 



tial to formation of, 45 ; no 

 food formed without, 42. 



Chlorophyll bodies, 42. 



Clon, 220, 222. 



Cion grafting, 222. 



Classification defined, 18 ; illus- 

 trated, 19. 



Cleft grafting, 227. 



Close pollination. 102. 



Clouds tend to avert frost, 134. 



Clover, dodder of, 180 ; tubercles 

 on roots of, 79. 



Club-root of cabbage, 183. 



Codling moth. 177. 



Cold air drainage, 134. 



Cold, excessive, how affecting the 

 plant, 121. 



Cold-frame, 204. 



Composite flowers, 98. 



Conditions affecting power of 

 plants to endure cold, 122. 



Cooling the plant, immediate ef- 

 fect of, 121. 



Copper carbonate, ammonlacal so- 

 lution of, 185. 



Corm, 199. 



Corn, detasseling, 264 ; smut, 181. 



Corolla, 96. 



Cotyledons defined, 35. 



Covering of seeds in planting, 

 why important, 33. 



Cracks In fruits and vegetables 

 due to excessive moisture, 140. 



Crop, affected by age of seed, 110 ; 

 a growing, tends to conserve 

 fertility, 159 ; removal of, tends 

 to reduce plant food in the soil, 

 153 : rotation of, economizes 

 plant food, 158. 



Crops, trees detrimental to neigh- 

 boring, 59. 



Crossed seedlings, selection of, 

 279. 



Crosses, after care of, 279 ; and 

 hybrids defined, 20 ; variability 

 of, 21. 



Cross fecundation, how accom- 

 plished, 277. 



Crossing, selection of subjects for, 

 276 ; variation produced by. 



Crossings, planting with reference 

 to chance, 280. 



Cross-pollination, 102 ; advantage 

 of, to plants, 102. 



Cucumber beetle, 162 ; screen- 

 covered frame for hills of, 162. 



Cucurbitae, provision in, to aid 

 plantlet to emerge from seed- 

 case, 33, 34. 



Cultivation tends to prevent 

 drought, 143. 



Culture, aim of, 11 ; deals with 

 life, 12 ; defined, 10 ; plants 

 have improved under, 271 ; 

 variation produced by, 274. 



Curculio, 177. 



Currant worm, 166. 



Current, evaporation, 60 ; of pre- 

 pared food, 62. I 



Cuticle defined, 49. 



Cutting defined, 201 ; essential 

 characters of a, 202. 



Cuttings, conditions favoring 

 growth of, 202 ; from active 

 plants, 215 ; from dormant 

 plants, 210 ; from dormant 

 stems. 212 ; of woody plants, 

 preferably made in autumn, 

 115 ; parts of plants to be used 

 for, 201 ; planting in autumn, 

 212 ; storage of, 211 ; tool for 

 planting, 247. 



Cuttings, green, 215 ; especial 

 care necessary In propagating 

 plants from, 216 ; how made 

 from herbaceous plants, 218 ; 

 hovr made from woody plants, 

 218 ; to be potted as soon as 

 roots are formed, 217. 



Cuttings, leaf, propagation by, 

 219. 



Cuttings, mallet, 213. 



Cuttings, root, propagation by. 



Cuttings, stem, 212 ; to make and 



plant, 213. 

 Cutworms, 162. 



Dalmatian Insect powder, 166. 



Damage from cold prevented by 

 protecting with non-conduct- 

 ing material, 128. 



Damping oft, 217. 



Darkening of wood, 124. 



Defiowering defined, 254. 



Defruiting defined, 254. 



Density, pruning for, 260. 



Depth of roots In soil, 75. 



Destruction of terminal buds bv 

 cold, 124. 



De-tasseling, 254, 264. 



Devices for transplanting, 246. 



Dew point, how to compute the, 

 132, table for computing, 133. 



Dibber, 247. 



Dicotyledons defined, 86. 



Diffusion, law of, 47. 



Dioecious flowers, 102. 



Disbudding defined. 254 : trees, 

 260. 



Disease defined, 13. 



Distal defined, 80. 



Dodder of clover and flax, 180. 



