73 
Philadelphia Lemoinei, 38 
maximus, 38 
microphyllus, 38 
Mont Blanc, 38 
purpurascens, 38 
Schneckii, var. Jackii, 32 
Souvenir de Billard, 37 
splendens, 37 
tomentosus, 38 
Picea Abies, var. columnaris, 47 
var. pyramidalis, 47 
canadensis, 65 
Engelmannii, 67 
pungens, 66 
Pine, Red, 52 
White, 52 
Pinetum, 65 
Pinus Lambertiana, 65 
monticola, 65 
ponderosa, var. Jeffreyi, 66 
resinosa, 52 
Strobus, 52 
var. fastigiata, 47 
sylvestris, var. pyramidalis, 47 
Poplars, Asiatic, 41 
Black, 45 
Japan, 41 
Lombardy, 45 
Silver, 45 
Populus alba, var. pyramidalis, 45 
Bolleana, 45 
Maximowiczii, 41 
nigra, var. italica, 45 
Simonii, 42 
suaveolens, 41 
thevestina, 46 
tomentosa, 42 
Prairie Rose, 51 
Prinsepia sinensis, 8 
Privet, European, 62 
Prunus pendula, 3 
Sargentii, 3 
subhirtella, 3 
tomentosa, 2 
triloba, 3 
var. plena, 3 
Pseudotsuga mucronata, 66 
Pyramidal trees, 45 
Pyrus betulaefolia, 5 
Bretschneideri, 6 
Pyrus ovoidea, 6, 68 
phaeocarpa, 5 
var. globosa, 6 
ringo, 15 
Simonii, 6 
Quercus pedunculata, 
var. fastigiata, 46 
Rainfall of recent years, 26 
Red Pine, 52 
Rhododendron, 25 
arborescens, 22, 43 
arboreum, 25 
atrosanguineum, 25 
calendulaceum, 22, 23 
canadense, 21 
canescens, 21, 22 
carolinianum, 27 
catawbiense, 25, 27, 44 
caucasicum, 26 
Charles Dickens, 25 
comparative hardiness, 25 
coreanum, 15 
dahuricum, 4 
delicatissimum, 26 
H. W. Sargent, 25 
Kaempferi, 15 
Lady Grey Egerton, 26 
maximum, 27, 44 
Mrs. H. S. Hunnewell, 26 
mucronulatum, 4 
nudiflorum, 21 
ponticum, 25 
Smirnowii, 27 
Vaseyi, 21 
viscosum, 21, 22, 44 
Rhododendrons in the United 
States, 26 
Rhodora, 21 
Ribes alpestre, var. commune, 8 
aureum, 12 
cereum, 12 
Cynosbati, 12 
fasciculatum, var. chinense, 63 
niveum, 12 
odoratum, 12 
pinetorum, 12 
robustum, 12 
Rosa Bakeri, 43 
caudata, 42 
