INDEX TO VOL. IX 
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Synonyms are in italics 
Abies amabilis, 66 
balsamifera, 66 
hrachyphylla, 68 
concolor, 66, 68 
grandis, 68 
homolepis, 68 
Acanthopanax ricinifolium, 54 
Acer rubrum, 3, 57 
saccharinum, 3 
Aesculus arguta, 59 
carnea, 32 
var. Briottii, 32 
var. plantierensis, 32 
glabra, 59 
var. Buckleyi, 59 
var. leucodermis, 59 
octandra, 59 
var. vestita, 59 
parviflora, 56, 59 
Agathis, 65 
Alder, Black, 60 
Almonds, 8 
Amelanchier amabilis, 22 
asiatica, 22 
Bartramiana, 11 
canadensis, 11, 12 
grandiflora, 22 
laevis, 11, 12 
oblongifolia, 12 
sanguinea, 22 
vulgaris, 22 
American Crab Apples, 25, 26, 27 
Horsechestnuts, 59 
Witch Hazels, 64 
Viburnums, summer-flowering, 38 
Amorpha canescens, 56 
Andromeda Jloribunda, 2 
Apple, Fluke, 27 
Apricot, Black, 6 
Apricots, 5, 6 
April Flowering Rhododendrons, 4 
Aralia chinensis, 54 
var. glabrescens, 55 
Aralia var. mandshurica, 55 
Aralia Family, the, 54 
spinosa, 54 
Araucarias, 65 
Arborescent Viburnums, 30 
Arborvitae, 66, 67 
Asiatic Crabapples, 13, 14, 60 
Oaks, 62 
Austrian Pine, 67 
Autumn color of leaves, 57, 58 
colors in the Arboretum, 61 
Azalea arborescens^ 51 
Clammy, 52 
Azaleas, early, 20 
early American, 28 
Ghent Hybrid, 40 
the last, 51 
Balsam Fir, 66, 67 
Barberries, 60 
Bay, Rose, 55 
Bechtel Crab, 26 
Beech-tree, the fern-leaved, 52 
Benzoin aestivale, 4 
Berberis Dielsiana, 24 
Vernae, 24 
Black Alder, 60 
Apricot, 6 
Haw, 30, 62 
Spruce, 66, 67 
Blueberry, High Bush, 63 
Buckeyes, 59 
Burning Bush, 60 
Calico Bush, 33 
Calluna vulgaris, 56 
var. alba, 56 
var. alba minor, 56 
var. alba rigida, 56 
var. alba Serlei, 56 
var. alba tenella, 56 
var. Alportii, 56 
var. hypnoides, 56 
var. rubra, 56 
69 
