Index 



431 



Paiif; 



rvnr 231, 360 



Ppiifil (Vdar 105 



Pepperiflgp 31!» 



rprsimnioii 325, .385 



Picoa 347 



aUui 01 



auHtralix 93 



ffinadensis 91 



1/1 n urn 91 



Key to spocies 347 



mariaiia 95 



nipra 95 



ruhcuK 9.'! 



rubra 93 



Pignut loo 



Pin 



Chorrv 249 



Oak 189 



Pinacoac 344 



Pino 345 



Family 344 



Gray S3 



.Tack 83 



Jersey 81 



Key to species 34fi 



Norway 8" 



Pitch 79 



Red 87 



Scrub 81, S3 



Short-leaved 85 



Wevmouth 77 



White 77 



Yellow 85 



Pinus .345 



Banksiana S3 



divaricata 83 



echinata 85 



inops 81 



Key to species 345 



mitts 85 



resinosa 87 



rigida 79 



Strohns 77 



virginiana 81 



Pistil, criteria for interpretinp. . . . 39 



Pitch Pine 7f> 



Pith 52 



Plane Tree 229, 3fi9 



Plane-tree Family 368 



Plants vs. Anim.nls 11 



Plants 



riassification of 15 



Nomenclature of 13 



Taxonomy of 13 



Platanaceae 368 



Platanus 369 



occidentalis 229 



orientalis 368 



Plum 263, 371 



Bullace 251 



Canada 259 



Red 259 



Wild 261 



Wild Yellow 261 



Plumberry 305 



Poison sumach 285 



Polypetalae 364 



Poplar 353 



Balsam 135 



Carolina 139 



Kov to species 35,3 



Necklace 139 



Page 



P<i|)lar • {'"oritiiiurd) 



Silver-leaved 127 



."^wamp 131 



White 127 



Yellow 221 



Popple 129 



Pfipulus ."ioH 



alba 127 



alba, var. nivea 127 



balsamifera 135 



halsami/era, var. candicans 137 



cnnndcnHiK, rnr. Eugenie 139 



candicans 137 



deltoides 139 



grand irtentata 131 



heterophylJa 133 



Key to species 353 



monUifrra 1,39 



tremnloides 129 



Post Oak 177 



Pruhus 371 



americana 261 



avium 255 



Cerasus 257 



rommuniK 263 



domestica 263 



instititia 251 



Key to species 372 



Mahaleb 253 



nigra 259 



Persica 265 



pennsylvanica 249 



serotina 245 



spinosa. var. in/ttititia 251 



virginiana 247 



Ptelea 375 



trifoliata 275 



Pulse Family 372 



PurnJe 



Osier 125 



Willow 125 



Pussy Willow 121 



Pynis 369 



americana 237 



Aucuparia 239 



communis 231 



coronaria 233 



Kev to species 370 



Malus 2.35 



Quassia Family 375 



Quercus 359 



nruminntn 1,83 



alba 175 



amhiijua 193 



bicolor 181 



borralis 193 



coccinea 191 



rorrinea. var. nmbir/ua 19.3 



cnrcincn, var. fhirtnrin 195 



Key to species 360 



macrocarpa 179 



marilandira 197 



Michau.Tii 185 



minor 177 



Muhlenherffii 183 



ohtvailoha 177 



palustris 189 



phellos 199 



nlatanoides 181 



Prinus 1S.5 



rubra 1 87 



rubra, var. ambigua 193 



stellafa 177 



tinrtnria 19.5 



velutina 195 



