296 



Index. 



Insecticides, 163; apparatus for 

 applying, 171; use of. 173. 



Insects beneficial, 162; bur- 

 rowing, 174; destroying by 

 poisons or caustics, 163; eat- 

 ing-insects, 173; hand-pick- 

 ing, 163; injurious, life his- 

 tory of, 1,8; leaf -eating, 174; 

 ravages, method of prevent- 

 ing, 162; repelling, by means 

 of Oi^ensive odors, 163; root- 

 eating, 174, 175; sucking, 173, 

 177. 



Insects trapping, 162. 



Internodes, defined, 80; stem 

 lengthens by elongation of, 

 81; ultimate length of, 81. 



Iron essential to formation of 

 chlorophyll, 45. 



Irrigation, 144. 



Kainit, 157. 



Kerosene, applied with water. 

 168; as an insecticide, 168; 

 emulsion, 168. 



Killing trees by girdling, 63. 



Knife.' budding, 233; grafting, 

 223; pruning 267. 



Knowledge, application of, es- 

 sential to success, 9. 



Lath screen for shading plants, 

 145. 



Leaf-buds, 88; comparative 

 vigor of. 91. 



Leaf cuttings, propagation by. 

 218. 



Leaf development, importance 

 of, 83. 



Leaf fall, time of, an index of 

 wood maturity, 113. 



Leaf-eating irsects, 174. 



Leaf miners. 175 176. 



Leaves, 82; are usually short- 

 lived, 85; comparative size of, 

 84; function cf, 82; manurial 

 value of, 85. 



Leguminous plants enrich the 

 soil with nitrogen, 79, 156. 



Lenticels, 51. 



Lever shears, 268. 



Life, culture deals with, 12. 



Life, what is it? 12. 



Lifting large trees, 238. 



Lifting the plant, directions 

 for. 239. 



Light does not hinder germina- 

 tion, 32. 



Light, unfavorable, how affect- 

 ing the plant, 145. 



Living beings, cellular struc- 

 ture of, 13. 



Localities most subject to un- 

 timely frosts, 135. 



Locusts, 171. 



London purple, 165. 



Low plants often destroyed by 

 ice, 127. 



Magnesium, part played by, in 

 plant, 45. 



Mallet cuttings, 212. 



Manure increases water-hold- 

 ing capacity of soil, 45. 



Manurial value of leaves 85. 



Maturative pruning. 266. 



Maturity of plants, influence of 

 drought on, 142. 



Maximum defined, 25. 



Mealy bug, 170. 



Melons, screen-covered frame 

 for protecting hills of. 162. 



Mice, damage from, 160. 



Minimum defined, 25. 



Moisture, an enemy to stored 

 seeds, 109; essential to ger- 

 mination, 25; excessive, caus- 

 ing cracks in fruits and 

 vegetables, 140; excites root 

 growth 66; excessive, in air, 

 injurious to plants, 141; in- 

 sufficient, in air causing ex- 

 cessive transpiration, 142; in- 

 su.-cient, in soil retards 

 growth, 142. 



Mohocotyledones defined, 36. 



Monoecious flowers, 102. 



Mound-layering, 195. 



