76 
Keiffer pear, 10 
Kilmarnock Willow, 46 
Kolkwitzia amabilis, 31 
Lacquer-tree, 58 
Laurels, 29 
Leatherwood, 4 
Leaves, unfolding, 9 
Leconte Pear, 10 
Lilac, Persian, 27 
Lilacs, early, 15 
early summer, 27 
Tree, 37 
Lindens, 41 
Liquidambar Styraciflua, 60 
Liriodendron Tulipifera, 64 
London Plane, 66 
Lonicera amoena, 20 
Arnoldiana, 20 
bella, 20 
chrysantha, 20 
Henryi, 44 
Korolkowii, 20 
Morrowii, 20 
noth a, 20 
pileata, 32, 35 
saccata, 35, 40 
tatarica, 20 
Magnolia acuminata, 24 
Magnolia conspicua, 2 
cordata, 24 
denudata, 2 
Fraseri, 24 
glauca, 24, 34, 60 
kobus, var. borealis, 2 
macrophylla, 24, 44 
stellata, 2 
Thompsoniana, 24 
tripetala, 24 
Magnolias, 2 
American, 24 
Malus, Arnoldiana, 12 
baccata, 11 
var. Jackii, 55 
floribunda, 12 
formosana, 11 
Halliana, 16 
Parkmanii, 16 
prunifolia, 11 
var, rinki, 11 
Malus ringo, 11 
Sargentii, 18 
Sieboldii, 18 
var. arborescens, 18 
var. calocarpa, 16, 55 
toringo, 16 
Tschonoskii, 64 
Missouri Currant, 8 
Mock Orange, 36 
Morus acidosa, 19 
alba var. tatarica, 48 
Mountain Ash, Japanese, 67 
Mulberry, Teas’ Weeping, 48 
Nannyberry, 26 
Neillia sinensis, 31 
New Jersey Tea, 51 
Nyssa sylvatica, 64 
Ohio buckeyes, 13 
•Oregon Grape, 15 
Osmaronia cerasiformis, 9 
Pawpaw, 28 
Pear-trees, wild, 10 
Pearl Bush, 18 
Perry’s Weeping Holly, 48 
Persian Lilac, 27 
Philadelphus, 36 
a double-flowered, 39 
coronarius, 36 
hirsutus, 31 
inodorus, 39 
insignis, 36 
Lemoinei, 36 
maximus, 36 
microphyllus, 36 
purpurascens, 36, 39 
Schrenkii var. Jackii, 31 
“Souvenir de Billard,’’ 36 
splendens, 36 
Photinia villosa, 30 
var. laevis, 31 
Picea Abies, 71 
Picea ajanensis, 71 
Alcockiana, 71 
bicolor, 71 
canadensis, 70 
Engelmanni, 70 
excelsa, 71 
