207 



INDEX 



Names underscored are synonyms. 

 Numerals underscored indicate 

 pages on which illustrations appear. 



Abies, 31 



balsamea, 31, 3^ 

 Abscission layer, 5 

 Acer, 139 



negundo, 142, 144 



nigrum, 140, 142 



pensylvanicum, 140, 141 



platanoides, 140, 142 



rubrum, 140, 142 



sac char inum, 142, 144 



saccharimi, 140, 142 



spicatum, 140 , 141 

 Achene, 10^ 11 

 Acorn, 11, 12 

 Aes cuius, 143 



glabra, 143, 144 



hippocastanum, 143, 144 



octandra, 143, 144 

 Ailanthus, 131 



altissima, 128 , 131 

 Alder, 7, 13 



Brookside, 73 



Green, 71 



Hoary, 71 



Smooth, 73 



Speckled, 71 

 Alnus, 71 



crispa 71, 72 



incana, 71 



rugosa 71, 72 



rugosa, 73 



serrulata, 72, 73 

 Amelanchier, 109 



arbor e a, 110, 111 



bartramiana, 112, 118 



canadensis. 111 



humilis, 110^ 111 



laevis, 112, 118 



oligocarpa, 112 



sanguine a, 110 , 111 

 Ampelopsis, 147 



arbor e a, 146, 147 

 Andromeda, 169 



floribunda^ 170 



glaucophylla, 168, 169 



Androperianth tube, 1£, 11 

 Apophysis, 15 

 Apple, 6, 9, 10, 108 

 Aralia, 157 



hispida, 1^56, 157 



spinosa, 156, 157 

 Arborvitae, 14, 41 

 Arbutus, Trailing, 173 

 Arctostaphylos, 173 



uva-ursi, 173, 174 

 Aril, 14, 15 

 Aristolochia, 91 



durior, 88, 91 



macrophylla, 91 

 Aronia, 109 



arbutifolia, 109, 110 



melanocarpa, 109, 110 

 Arrowwood, Downy, 193 



Mapleleaf, 195 



Smooth, 195 



Southern, 193 

 Ash, 6, 12 



Biltmore, 179 



Black, 181 



Blue, 179 



Green, 179 



Red, 179 



White, 179 

 Asimina, 97 



triloba, 96, 97 

 Aspen, Quaking, 57 



Bigtooth, 57 

 Azalea, 163 



Clammy, 167 



Flame, 165 



Hoary, 167 



Mountain, 167 



Pink, 167 



Smooth, 167 



B 



Baccharis, 195 



halimifoUa, 194, 196 

 Bald-cypress, 41 

 Balm of Gilead, 58 

 Barberry, 9 



American, 93 



European, 93 



Japanese, 93 



