Index 
Daphne, 192, 325, 327; 358, 366, 368- 
379, 372 
Davis, L.D., “Ornamental Shrubs” 
quoted, 326, 333 
Death of trees, 29, 30, 121 
Deciduous trees, 154, 155, 162, 164, 
166, 176, 193, 193, 203, 214, 220, 
234, 288, 306, 330, 335, 348 
Defoliation, 20, 45; see also Assimi- 
lation; Insect injury 
Dendrolene, 145, 147, 154, 158 
Dendroscope, 105 
Des Cars, A., Treatise on Pruning 
Forest and Ornamental Trees, 105 
and note 
Desmodium, Tick ‘Trefoil, Bush 
Clover, 327, 347, 367, 37° 
Destruction by storm, 31 
Development of trees, requirements 
for, 29 
Deuisia, 327, 353, 399; 371, 372 
Diagnosis, difficulty of, 32 
Dichopodial type, 203 
Diervilla, Bush Honeysuckle, 336, 
367-370 
Dicecious trees, 287, 316, 356 
Diospyrus, Persimmon, 172, 212, 
285 
Disease, 290, 51, 215; see also Bac- 
terial disease; Physiological dis- 
sease; Spot diseases 
Disinfectants, 126; see also Anti- 
septic dressing; Bordeaux mix- 
ture 
Disparene, 135, and note 
Dockmackie, Viburnum, 340 
Dogwood, Cornus, 150, 192, 2IT, 
325, 366, 360, 370, 372; Alternate 
leaf, 282, 367; Flowering, 281 
Douglas Fir, Pseudolswga, 24, 228, 
229 
Dragon Trees on Island of Teneriffe, 
121 
Dragon’s Head, 325 
Drainage, 79, 199 
Drooping trees, 203 
Dropsy, 58 
Drouth, effects of, 59, 60, 64, 215 
Dwart forms, 203, 208, 218, 250, 252, 
253, 262, 271, 277, 201, 298, 324, 
33°; 332, 334) 337; 338, 345, 347; 
352, 353, 354, 356, 359; also List, 
p. 37° 
381 
Ebony, Diospyrus, 212, 285 
Economic tree-planting, 198 
Eglantine, 349 
El@agnus, 327, 341, 342, 366~369, 
37% 
Elderberry, Sambacus, 328, 336, 338, 
339, 366, 368-371 
Electricity, dangers of, 33, 62, 71, 
72 
Elliptical outline, 204 
Elm, Ulmus, 16, 58, 65, 69, 115, 156, 
159, 161-165, 197, 204, 213, 364, ° 
365; Camperdown, 322; English, 
321; European, 205; Slippery, 321; 
Wahoo or Winged, 321; White, 
320; Wych, 321; Red, see Elm, 
Slippery 
Elm-leaf beetles, 54, 156, 197 
Endurance of trees, 201 
England, forestry in, 186 
English Ivy, substitute for, 360 
English Sparrow, 130, 152; see also 
Birds 
English Sweetbriar, 349 
Epidermis, 36 
Epiphyte, 44 
ERICACEAE, Heath family, 293, 
329, 334, 366, 369, 371, 372 
Essential points of tree life, 27, 28 
Etiolation of leaves, 53, 62, 73 
Europe, baiting of bark-beetles in, 
148; gypsy moth imported from, 
162; forestry in, 186; exotics 
from, 261, 264, 277, 301, 312, 316, 
317, 320, 335, 330, 341-343, 346, 
347, 354, 359, 361, 363 
European flora in California, 22 
Evaporation, 18, 21, 58, 60, 79 
Evergreens, 228, 276, 277, 287, 306, 
307; 332-334, 330, 342, 343, 347, 
349, 359, 360; also List, p. 366 
Evomymus, Burning Bush, etc., 327, 
359, 360, 366, 371 
Exochorda, Pearl Bush, 327, 348, 369 
Exotics, 22, 24, 63,65, 205, 244, 208 
Fagus, Beech, 212, 285, 286, 372 
Fall web-worm, 160 
False Indigo, Amorpha, 326, 346 
366, 368, 369, 372, 373 
Fastigiate forms, 203, 208, 245, 270, 
313. 
Fertilizers, 62, 80, 173 
