—­ and oaks,
—­ disease,
Chewing insects,
Cherry,
Child training in observation and precision,
Chlorophyll,
Civic lessons reflected in trees,
Climbing trees, precautions,
Clubs, tree,
Coffee tree,
Colorado blue spruce,
Color of leaves,
Common catalpa,
—­ locust,
Community life of trees,
Conifers or “softwoods,”
Coniferous trees,
Copper beech,
Cork elm,
Cornus florida,
Corrosive sublimate,
Cottonwood,
Cottony-maple scale,
Crataegus oxyacantha,
Crown,
Cucumber tree,
Cypress,
—­ and larch, description of,
—­, bald,
—­ knees,
—­ obtuse leaf, Japanese,

Dead and broken branches, removal of,
Deciduous trees,
Destroying injurious insects, methods of,
—­ pupae,
Developing disease, moisture a factor in,
Diaporthe parasitica,
Diffuse-porous woods,
Disease, fungi as factors of,
—­ moisture a factor in developing,
Dogwood, flowering,
Douglas fir,

Effect of heat on trees, Elkwood, Elm, —­, American, —­, Camperdown, —­, cork, —­, English, —­ leaf beetle, —­, poplar, gingko and willow trees, told by their form, —­, white, Enemies of trees, Enemy of trees, forest fires as an English elm, —­ hawthorn, —­ yew, European beech, —­ larch, —­ linden, —­ weeping birch, —­ white birch,

Fall webworm,
Fagus,
—­ americana,
—­ sylvatica,
Fern, maidenhair,
Fighting forest fires, various ways of,
Filling cavities, manner of,
Fire, guarding woodlands from,
Flowering dogwood,
Foliage, spraying,
Forest fires as an enemy of trees,
—­ —­, various ways of fighting,
—­ lands, exemption from taxation,
—­, life and nature of,
—­ trees, pruning,
Forestry in various countries,
—­, what it is and what it does,
Forests, grazing cattle in, a source of injury,
Forest Service, U.S.,
—­, harvesting,
—­, harvesting of, to increase production,
—­, how established,
—­, how harvested,
—­, how protected,
—­, how they help to regulate streams and prevent floods,
—­, method of establishing,
—­, planting, with seedling trees,
—­ prevent soil erosion,
—­, protecting from destructive agencies,
—­, safeguarding,
—­, utilization of by-products,
Fraxinus americana,
—­ nigra,
Frost, effect of, on trees,
Fungi and insects, protection against,
—­ as factors of disease,
Fungous diseases attacking cavities,
—­ diseases, spraying for,
Fungus, fruiting body of,

Gingko biloba,
—­ or maidenhair tree,
Gipsy moth,
Gleditsia triacanthos,
Gloeosporium nervisequum,
Gray or white birch,
Grazing effect on forests,
Grove and lawn, study of soil conditions on,
Gum, red or sweet,
Gymnocladus dioicus,