Index. 



293 



Cutting defined, 200; essential 

 characters of a, 201. 



Cuttings, conditions favoring 

 growth of, 201; from active 

 plants, 214; from dormant 

 plants, 209; from dormant 

 stems, 211; of woody plants, 

 preferably made in autumn, 

 115; parts of plants to be 

 used for, 200; planting in au- 

 tumn, 211; storage of 210; 

 tool for planting, 246. 



Cuttings, green, 214; especial 

 care necessary in propagat- 

 ing plants from, 215; how 

 made from herbaceous plants, 

 217; how made from woody 

 plants, 217; to be potted as 

 soon as roots are formed, 216. 



Cuttings, leaf, propagation by, 

 218. 



Cuttings, mallet, 212. 



Cuttings, root, propagation by, 

 213. 



Cuttings, stem, 211; to make 

 and plant, 212. 



Cutworms, 162. 



Dalmatian insect powder, 166. 



Damage from cold prevented by 

 protecting with non-conduct- 

 ing material, 128. 



Damping off, 216. 



Darkening of wood, 124. 



Deflowering defined, 253. 



Defruiting defined, 253. 



Density, pruning for, 259. 



Depth of roots in soil, 7,5. 



Destruction of terminal buds 

 by cold, 124. - 



De-tasseling, 253, 263. 



Devices for transplanting, 245. 



Dew point, how to compute the 

 132; table for computing, 133. 



Dibber, 246. 



Dicotyledons defined, 36. 



Diffusion, law of, 47. 



Dioecious flowers, 102. 



Disbudding defined, 253; trees, 

 259. 



Disease defined, 13. 



Distal defined, 80. 



Dodder of clover and flax, 179. 



Domestic plants and animals 

 defined, 11. 



Dormant state of protoplasm, 

 15. 



Drainage promotes soil aera- 

 tion, 70; required by potted 

 plants. 70. 



Dressing defined, 253. 



Drought causes toughness of 

 plant tissue, 143; cultivation 

 a preventive of, 143; mulch- 

 ing a preventive of, 144; tends 

 to hasten maturity, 142. 



Drying kills plant tissues, 144. 



Duration of germinating power, 

 108; of seed vitality, condi- 

 tions affecting, 109. 



Electric light, use of, in glass 

 houses, 149. 



Elements esential in plant 

 food, 44; part played by dif- 

 ferent, 44. 



Emasculation of flowers, 276. 



Embryo defined, 40. 



Endosperm defined. 40. 



Environment defined, 10; fac- 

 tors of, 118. 



Epidermis defined, 48; replaced 

 by bark in older stems, 49. 



Evaporation current, 60. 



Evergreen trees destroyed by 

 untimely warm weather in 

 spring, 119. 



Evolution, theory of, 21. 



Factors of environment, 118. 

 Families, how formed, 18. 

 Farm manure, 158. 

 Fecundation, 100; cross, how 



accomplished 276. 

 Feebleness defined, 12. 

 Ferns, how grown from spores, 



39. 



Fertilization, 100. 

 Fertilizer requirements of crops, 



158. 



