70 
Pieris floribunda, 4 
Pieris mariana, 46 
Pignut, 34, 35 
Pine, Austrian, 64 
Jack, 63 
long-leaved, 62 
Norway, 63, 
Pitch, 63 
Red, 63, 
Scotch, 64 
White, 62 
western, 64 
Yellow, 63 
Pinus Banksiana, 63 
echinata, 63 
monticola, 64 
nigra, 64 
palustris, 62 
pungens, 63 
resinosa, 63 
rigida, 63 
. Strobus, 62 
sylvestris, 64 
virginiana, 63 
Pitch Pine, 63 
Plum, Canada, 4 
Chinese, 4 
Prunus Armenaica “Mikado,” 4 
caroliniana, 37 
dasycarpa, 4 
Davidiana, 1 
incisa, 4 
mandshurica, 4 
nigra, 4 
salicina, 4 
serrulata, 15 
var. albo-rosea, 15 
var. fugenzo, 15 
var. sachalinensis, 4, 15 
var. sekiyama, 15 
subhirtella, 3, 4 
var. ascendens, 4 
tomentosa, 3 
var. endotricha, 3 
triloba, 4 
yedoensis, 4 
Pseudolarix, Chinese, 64 
Purple Beech, 42 
Pyru8 japonica, 11, 12 
Maulei, 12 
Quercus alba, 17 
Quercus Bebbiana, 17 
bicolor, 17 
borealis, 17 
var. maxima, 17 
coccinea, 18 
Comptonae, 18 
dentata, 18 
ellipsoidalis, 17, 
georgiana, 17 
ilicifolia, 17 
lyrata, 17, 18 
macrocarpa, 17 
marilandica, 17 
montana, 17 
Muehlenbergii, 17 
palustris, 17 
Phellos, 17 
prinoides, 18 
rubra, 17 
Shumardii var. Schneckii, 17 
stellata, 17 
variabilis, 18 
.velutina, 17, 18 
Quince, 11 
Red Cedar, 62, 63 
Red-flowered Dogwood, 19 
Red Pine, 63, 64 
Retinospora, 63 
Rhododendron, 9 
alabamense, 16 
Anneliesae, 36 
arborescens, 16, 36 
arboreum, 29, 30 
arbutifolium, 31 
arnoldianum, 20 
austrinum, 16 
brachycarpum, 26, 27 
calendulaceum, 16, 36 
canadense, 16 
carolinianum, 26, 27, 31, 46 
catawbiense, 26, 27, 
29, 30, 31, 45, 46 
hybrids of, 26, 29, 30, 31 
Pink Pearl, 31 
caucasicum, 29, 30 
hybrids of, 30 
Boule de Neige, 30 
Cassiope, 30 
coriaceum, 30 
Mont Blanc, 30 
Sultana, 30 
