246 



INDEX 



Fungi and insects, protection 

 ii}i;ain.st. 196 



— as factors of disease, I/jS 

 Fungous diseases attacking cav- 

 ities, 172 



— diseases, spraying for, UiO 

 Fungus, fruiting body of, 150 



Clingko bikjba, 55, 120, 124 



— or maidenhair tree, 55, 120 

 (lipsy moth, 7-4. 143 

 Cileditsia triacanthos, 102 

 Gloeosporium nervisequum, 62 

 Gray or white birch, 64 

 Grazing effect on forests, 196 

 Grove and lawn, study of soil 



conditions on, 239 

 Gum, red or sweet, 95, 231 

 Gymnocladus dioicus, 120 



Hackberry tree, 59, 70 

 Hackmatack, 29 

 Hard maple, 38 



— pines, 224 

 "Hardwoods," or broadleaf trees, 



226 

 Hardy catalpa, 102 

 Harvesting forests, 196 

 Harvesting of forests to increase 



production, 180 

 Hawthorn, Enghsh, 128 

 Healthy tree, conditions which 



indicate, 153 

 Heartwood, 106, 219 

 Heat, effect of, on trees, 116 

 Hemlock, 17, 128, 225 



— and spruce, description of, 1 1 

 Hickory, 229 



— bark borer, 85, 151 

 — , bigbud, 87 



— , bitternut, 87 



— , broom, 87 



— , brown, 87 



— , mockernut, 44, 86 



Hickory, pignut, 87 

 — , shagbark, 83 

 — , shellbark, 85 

 — , wliitchcart, 87 

 Hicoria alba, 86 



— glabra, 87 



— minima, 87 



— ovata, 83 

 Ploney locust, 102 

 Hop hornbeam, 70 

 Hornbeam, (blue beech). 70 

 Horsechestnut, 33, 120 



— , red, 34, 121 

 Humus, 113, 207 

 Hydrophytes, 111 



Important insects, 141 

 Improperly pruned trees, 161 

 Indian bean, 104 



Individuality of trees, 1, 182, 239 

 Insects and fungi, protection 



against, 196 

 — , boring, 22, 134 

 ■ — , chewing, 134 



— galls, 71 



• — , imjiortant kinds of, 141 



— injurious to trees, 134 

 — , leaf-eating, 49 



■ — , methods of destroying injuri- 

 ous, 134 



— , nature, habits and influences 

 of, 239 



— , sucking, 134 



— , the four stages, or life his- 

 tory of, 140 



Ironwood tree, 59, 70 



Italian or Lombardy poplar, 51, 

 128 



Japanese maple, 122 



— umbrella pine, 123 

 Juglans cinerea, GO 



— nigra, 87 

 Juniper, 22 



