INDEX 



Illustrations are indicated by an asterisk after the page reference. 



Abelc, Populus, 301 



Abelia, Honeysuckle, 326, 336, 367- 



369; sec also Lonicera 

 Abies, Firs, 209, 215, 224, 228, 240, 



366, 371, 372 

 Acacia, 210; Albizzia, 247, 249; 



Glcdilschia, 210, 247, 249, 365; 



Robinia, 211, 247, 24S, 365; Rose, 



Robinia, 248; Three-thorned, 



Gledilschia, 249, 365 

 Acer, Maples, 211, 264, 364-367, 



371 

 Adaptation, process of, 20-22, 198, 



200, 323 

 Adirondack Forest Preserve, 187 

 Adolescence, 205 

 Aeration of roots, 20, 24, 28, 57-60, 



77-80, 82, 142 

 /EscuIhs, Horse Chestnuts, in, 210, 



,250, 364, 365, 369, 370 

 ylz7aK//n<5, Tree of Heaven, 210, 251,* 



256, 262 

 Air, need of, 20, 21, 28; supply 



limited by pavements, etc., ^^, 80; 



also 53, 82 

 Albizzia, Acacia, 247, 249 

 Alcoholic fermentation of cells, 58 

 Alder, Almis, 61, 69, 158, 211, 371; 



Black, 272, 273 *; Italian, 272, 



274 *; Japanese, 275 

 Alder-leaf Buckthorn, Rhamnus, 313 

 Alfalfa, as fertilizer, 80 

 Allspice, Calycanthtis, 327, 357, 368, 



370 

 Almond, Pniniis, 212; Flowering, 



305; Japanese, 303,* 304 

 AbiHs, Alders, 211, 272-275, 371 

 Althea, see Hibiscus 

 Amelanchicr, Shadbush or June- 

 berry, III, 211, 273, 369, 370, 372 

 Amorpha, False Indigo, 326, 346, 



366, 368, 369, 372, 373 

 Andromeda, 326, 333, 367, 370; see 



also Cassandra; Leucothoe; Pieris; 



Zenobia 



Angelica Tree, Aralia, 210, 252, 371 



"Annual ring," 7, 8, 17 



Antiopa, see Spiny Elm Caterpillar 



Antiseptic dressing for wounds, 89, 

 96, 124, 167; see also Bordeaux 

 mixture 



Ants, 131 



Antwerp, tree guards in, 118 



Aphis, Leaf-destroying, 321 



Apple, Pirus, 68, 154, 212, 294,* 

 295,* 296,* 297,* 298,* 325, 347, 

 366-369 



Apple-borers, 284 



Apple-family, attacked by fire- 

 blight, 56 



Apple-tent caterpillar, 160 



Apricot, 305 



Aralia, Angelica Tree, Hercules 

 Club, 210, 252, 371 



Araucaria, 223 



Arborvitffi, Libocedrus, 209, 215, 221; 

 Thuja, 210, 215, 219, 371, 373; 

 Japanese or Tom Thumb, Thuy- 

 opsis, 210, 215, 219,* 371; Pacific 

 Coast or Incense Cedar, Liboce- 

 drus, 221 



Arbutus, 359, 372 



Army- worms, 164 



Arrow-wood, Viburnum, 340 



Arsenate of copper, see Paris Green 



Arsenate of lead, 135-137, 162, 163, 

 165. 



Arsenite, formula, 160; also 156 



Ash, Fraxinus, 16, 68, 69, 85, 102, 

 122, 154, 161, 210, 253, 365, 370, 

 371; Black, 255; Blue, 256; Eng- 

 lish, 254,* 256; Flowering, 255,* 

 256; Green, 255, 365; White, 255 



Asparagus-beetle, 156 



Aspen, 25, 193; Large-toothed, 

 Populus, 301 



Assimilation, process of, 17, 18, 21 



Atmosphere, effect on growth, 63 



Azalea, 192, 326, 330, 331, 335, 366- 

 371; Flame, 330, 369; Tree, 330 



377 



