INDEX. 



57J 



Page. 



Polygala mariana 405,531 



ramosa 451 



verticillata 531 



Polygalaceae 402, 531 



Poly gonaceae 95, 316, 462, 525 



Polygonatum 458 



biflorum 521 



Polygonum arifolium 416,423,525 



a-vieulare 525 



convolvulus 525 



douglasii 95 



hydropiperoides. 36] , 43", 525 



pennsylvanicum 414,525 



persicaria 525 



punctatum .- 316,525 



punctatum robustior 525 



sagittatum - - 416, 525 



setaceum 453,525 



virginianum 525 



Polymnia uvedalia 546 



Polypetalae 1(19 



Polypodiaceae 314,462,512 



Polypodium 422 



angustifolium 150 



areolatum .. - 150 



aureum 150 



elasticum -. . 150 



fragile 148 



furfuraceum - 150 



incanum _ - — 403,421 



laneeolatum — 150,228 



molle ... 147 



parasitictim ... 14" 



pectinatum ... 150 



polypodioides... ... 402,421,460,512 



skinner i 150 



stelliformis 145 



subpetiolatum 150 



tbysanolepis 150 



trilobatum 150 



Polypremum 458 



pr< icumbens ....... 317, 465, 460, 537 



Polystichum acrostichoides 402,512 



Poly trichum commune 381,511 



ohienso 511 



Pontederia 361,458 



cordata 436. 442, 52(1 



Pontederiaceae 462.520 



Poplar, balm of gilead . 94 



silver 413 



yellow 473, 483 



Populus 458 



alba _ ___ 413,523 



angustifolia 55 



bulsamifera !I4 



heterophylla.. - 419,480,523 



tremuloides .55,94 



Possum-pocket apples. 526 



Post oak 398, 399, 400, 402, 482 



Posts, fence 52,55 



Potamogeton ionchites 445,446,513 



Potato 29,31,90, 



226, 227, 275, 346, 347,354,357,410,411, 



464, 465, 46(5, 467, 468, 469, 479, 480, 481 



wild 1 --- 227,530 



rage. 



Potatoes, early rose 466 



sweet 227,346,347,411,465,466 



Potentilla.__ 458 



canadensis 528 



inonspeliensis _.. 460,528 



palustris . 30 



pumila 450,528 



Prenanthes alba 402 



Primrose, evening 100 



Primulaceae 317, 402,537 



Prist imera tenella . 110 



Prochnyanthes 151,153,153, 156 



viridescens 155,234,237 



Proserpinaca 458 



palustris 460,535 



pectinata _. 437,455,535 



Prosopis _ 257 



Prunella vulgaris _ . 539 



Primus 372,407 



americana -.- 528 



angustifolia . . 371, 380, 393, 394, 407, 454, 471, 528 



caroliniana 454 



cerasus 529 



chicasa __ 372 



demissa 55,98 



emarginata 55-98 



serotina . . 371 , 373, 378, 394, 399, 407, 429, 477, 529 



serotina smallii 529 



subcordata 99 



Pseudobravoa __ 153,156 



densiilora 155 



Pseudo-echinopepon 115 



Pseudo-evhinopepon 115.1111 



Pseudosmodingium multifolium _ __ 143 



Pseudotsuga 58 



taxifolia ..._ 31,43,50 



Psidium guava 221 



spp 221 



Psilocarya nitens _.. 452 



Psoralea pedunculata 405,454,529 



Psorospermum 496 



Ptelea trifoliata mollis 165 



Pteridophyla.. 458,461.511 



Pteridopbytes _. 459 



Pteris aquilina 402,460,512 



lanuginosa 15(| 



aurantiaca . 148 



cordata 149 



lutea 148 



riqida ... 149. 



ternifolia __ 149 



Pterocarpus aeapulcensis - 143 



drago 14:} 



Pterocaulon pcynostachyum 457 



Ptilimnium 458,535 



capillaceum ._ 440, 455, 535 



Pulque 223,224 



agaves 255 



maguey 224,245 



plant 210,223 



Pumpkins 466 



Puro Cecillia 256 



Py<:nantht'mum 458 



Pyraceae 462.528 



Pyrolaceae 462.536 



Pyrrhopappus 408,458 



