Index 





Grafted stock, 205 



Cirapevines, 158 



Grass crops, 155 



Grasshoppers, 150, 151 



Great Laurel, Rhododendron, 334 



Grills around trees, 83; see also 



Guards 

 Ground-beetles, 131 

 Groundsel, Baccharis, 37, 326, 356, 



371-373 

 Group planting, light intensity for, 



25; dlso 182 

 Grouping of trees, important points 



in, 201 

 Growth, impeded, 31, 32; rapidity 



of, 201; affected by soil, 205 

 Guards, Tree, 83, 117, 118, 120, 121 

 Gypsum, 78 

 Gypsy moth, 162 



Hackberry, Celtis, 211, 279, 365 



Hailstones, injury b}', 36 



Hairs, sec Root-hairs 



Halesia, Snowdrop, Silver Bell Tree, 



III, 327, 35f 369, 370 

 Hardhack, Spircea, 328, 350, 370 

 Hardiness of trees, igg, 200, 323 

 Hardwood ashes as fertilizer, 80 

 Hardwood forest, 190 

 Hardwood trees, 193 

 Hartshorn, 314 

 Hawk-moths, 157 

 Hawthorn, Crake^its, 56, 151, 212, 



283, 284; Paul's Double Scarlet, 



285; Siberian, 284 

 Hazelnut, Corylus, 327, 358, 366, 371 

 Heading in, 87 

 Healing, see Callusing 

 Heart-root, 199; see also Root system 

 Heath family, ERICACEAE, 293, 



329, 334, 366, 369, 371, 372; see 



also Calluna 

 Heather, North American, Leii- 



cothoe, 333, 366, 367, 369-371; 



see also Zenobia 

 Hedges, suitable forms for, 219, 228, 



241, 276, 284, 287, 297, 320, 331, 



343, 344, 348, 349, 356, 361 

 Heeling, 170 



Height, gradations of, 209 

 Height growth, classification accord- 

 ing to, 192 

 Hellebore, 363 



Hemlock, 26, 189, 193, 227; Alpine, 

 Tsiiga, 210, 227, 228, 373; Bas- 

 tard, Pseudotsuga, 210, 228 

 Hercules Club, Aralia, 210, 252, 371 

 Hibiscus, ISIallow, 327, 360, 367, 



369-372 

 Hickory, Hlcoria, 16, 154, 171, 172, 

 210, 256, 371; Bitternut, 257; 

 Mockernut, 257; Nutmeg, 257; 

 Pecan, 257; Shagbark, 257; Shell- 

 bark, 257 

 Hicoria. Hickories, 210, 256, 257, 371 

 Hobble Bush, Viburnum, 340, 341 

 Holly, Ilex, 25, 102, 192, 193, 212, 

 366, 368, 370-373; Deciduous, 

 native, 288; English, 287 

 Honey Locust, Gleditschia, 210, 247, 



249, 365 

 Honey ^Mushroom, 43 

 Honeysuckle, Abelia, 326, 336, 367- 



369; Lonicera, 325, 328, 336- 



i2>^, 366, 368-371, 373; Fly, 337 

 Honeysuckle family, CAPRIFOLLV 



CEAE, 336 

 Hop Hornbeam, Ostrya, 212, 293, 



365, 367 

 Hornbeam, Carpinus, 192, 211, 277 

 Horse Chestnut, JLsculus, 59, 67, 68, 



III, 118, 122, 159, 210, 364, 365, 



369, 370; Dwarf, 250 

 Host-plants, 37, 43, 19 7, 356 

 Huckleberry, ^i^s 

 Humic acids, 61 

 Humus, 173 



Hydrangea, 327, 352, 353, 368, 369 

 Hydrocyanic gas, 134 

 Hypericum, St. John's Wort, 327, 



361, 368-372 



Ice-pressure, damage from, 31 



Ichneumons, 130 



Inchworms, plague of, subdued by 



English Sparrow, 130 

 Hex, Holly, 212, 287, 288, 366, 368, 



370-373 

 Indian Cherry, Rliamnus, 313 

 Indian Currant, Symphoricarpus, 



339, 366, 368-370, 372 

 Infections, see Fungus diseases; 



Insect pests 

 Ingrafting, 116 

 Inheritance in form, 208 

 Insect hosts, 130 



