202 
| 
Negundo 123 
Nemopanthus 120 
Nevitsia 90 
New Jersey tea 130 
Nightshade 167 
Ninebark 89 
Nutmeg, California 
45 
Nyssa 142 
Nyssaceae 142 
Oak 66 
Oak, Poison 117 
Oleaceae 158 
Oleaster 139 
Olive 158 
Olive, Fragrant 162 
Olive, Russian 140 
One-flowered shin- 
leaf 145 
Onion 55 
Opulaster 89 
Orange, Mock 81 
Orange, Osage 67 
Osage orange 67 
Osier 51 
Osmanthus 162 
Ostrya 62 
Oxycoccus 154 
Oxydendrum I51 
Oyster plant 177 
Pachistima 122 
Pachysandra 116 
Paeonia 73 
Paeony 73 
Pagoda tree 105 
INDEX. 
Paliurus 131 
Papaw 79 
Papaya 79 
Paper mulberry 67 
Parthenocissus 132 
Partridge berry 171 
Paulownia 168 
Peach 88, 102 
Pea, Sweet 103 
Pea family 103 
Pea tree I10 
Pear 88, QI 
Pear, Alligator 80 
Pearlbush 98 
Pecan 60 
Pepperbush 144 
Pepperidge 143 
Peppervine 132 
Periploca 165 
Periwinkle 9, 164 
Persimmon 156 
Petunia 167 
Phellodendron 112 
Philadelphus 81 
Phlox 165 
Photinia 93 
‘Phyllodoce 148 
Physocarpus 88 
-Picea 46 
Pieris 150 
Pignut 60 
Pinaceae 45 
Pine 49 
Pine, Ground 43 
Pine, Prince’s 145 
Pine, Umbrella 50 
Pink, Ground 165 
Pink family 72 
Pinus 49 
Pipsissewa 145 
Pistacio 116 
Planera 70 
Planer tree 70 
Platanaceae 88 
Platanus 88 
Plum 88, Io1 
Plum, Moxie 153 
Poinsettia 114 
Poison ivy 8, I17 
Poison oak 117 
Poison sumach 117 
Polemoniaceae 165 
Poplar 56, 77 
| Populus 56 
Potato family 167 
Potentilla 98 
Prickly ash 112 
Primavera 168 
Prince’s pine 145 
| Privet 162 
Privet, Swamp I61 
Prunus I01 
Psedera 132 
Pseudotsuga 47 
Ptelea III 
Pteridophyta 43 
Pterocarya 59 
Puccinia 75 
Pueraria 9, III 
Pussy willow 57 
Pyracantha 96 
Pyrola 145 
Pyrolaceae 145 
Pyrus QI 
