G52 



INDEX. 



Pachysandra, 433 



Pachystima, 81 



Pyepalanthus, 530 



Palafoxia, 261 



Palmae, 461 



Palmetto, 462 



Palms, 461 



Panax, 184 



PANICE^E, 573 



Panic Grass, 581 



Panicum, 581 

 PAPAVERACE^E, 20 



Papaw, 13 



PAPAY.E, 168 



Paper Mulberry, 438 



PAPILIONACE.E, 93 



Pappoose-lloot, 16 



Parietaria, 436 



Parkinsonia, 126 



Parnassia, 149 

 PARNASSIACE^E, 148 



Parnassia Family, 148 



Paronychia, 396 



Parsley Family, 173 



Parthenium, 243 



Partridge-berry, 195 



Paspalum, 577 



Passiflora, 168 

 PASSIFLORACE^E, 168 



Passion-Flower, 168 

 Passion-Flower Family, 168 



Pavonia, 49 



Peach, 141 



Pear, 141 



Pecan-nut, 442 



Pectis, 263 



Pedicularis, 320 



Pellsea, 626 



Pellitory, 436 



Peltandra, 465 



Pennisetum, 588 



Penthorum, 151 



Pentodon, 200 



Pentstemon, 308 



Peperomia, 419 



Pepper Family, 418 



Peppergrass, 30 



Pepper-root, 25 



Perilla, 390 



Periwinkle, 343 



Persea, 414 



Persimmon, 293 



Petalostemon, 100 



Petiveria, 395 



PETIVKKIE^E, 395 



Petunia, 326 



Phacelia, 355 

 Phaenogamous Plants, 1 



Phalaris, 596 



PHASEOLE^B, 94 



Pharus, 590 



Phaseolus, 115 



Pheasant's Eye, 8 



Phegopteris, 633 



Philadelphus, 147 



Philibertia, 350 



Philoxerus, 401 



Phlox, 



Phorodendron, 



Phragmites, 



Phryma, 



PHKYME^E, 



Phyllantlius, 



Physalis, 



Physocarpus, 



Physostegia, 



Physurus, 



Phytolacca, 



333 



418 

 618 

 371 

 367 

 43-2 

 323 

 132 

 387 

 490 

 396 



PHYTOLACCACE^E, 395 



PHYTDLACCE.K, 395 



Picea, 458 



Pickerel-weed, 523 



Pickerel-weed Family, 523 



Picramnia. 70 



Pigeon Grass, 587 



Pignut, 441 



Pigweed, 404 



Pifea, 436 



Pimpernel, 299 



Pimpernella, 177 



Pinckneva, 198 



Pine, 455 



Pine Family, 455 



Pine-Apple Family, 497 



Pinguicula, 302 



Pink Family, 39 



Pinkroot, 200 



Pinus, 455 



Pinweed, 36 



PIPERACE/E, 418 



Pipewort, 529 



Pipewort Family, 529 



Piriqueta 167 



Piscidia, 120 



Pisonia, 394 



Pistia. 465 



Pitcher-Plant Family, 18 



Pithecolobium, 127 



Planera, 440 



Planer Tree, 440 



Plane Tree, 441 



Plane-Tree Family, 441 

 PLANTAGINACE^E, 390 



Plantago, 390 



Plantain, 390 



Plantain Family, 390 



PLATANACE'^E, 441 



Platanthera, 485 



Platanus, 441 



Pleea, 518 



Pluchea, 238 

 Plum, 130, 140 

 PLUMBAGINACE^E, 300 



Plumbago, 300 



Poa, 614 



POACE/E, 574 



Podophvllum, 16 



PODOSTEMACE^E, 420 



Podostemon, 420 



Podostigma, 348 



Pogonia, 483 



Poison Elder, 72 



Poison Ivy, 72 



Poison Oak, 72 



Pokeweed, 396 



Pokeweed Family, 395 



Polanisia, 31 



POLEMOXIACE.E, 333 



Polemonium, 335 

 Polemoniuin Family, 333 



Polycarpoii, 44 



Pulvgala, ' 8^ 



POLYGALACE.E, 88 



POLYGOXACE^E, 406 



Polygonatum, 507 



PoLYOiONE.E, 406 



Polygonella, 408 



Pol}'gonum, 409 



Polymnia, 240 

 Polj-petalous Exogenous 



Plants, 1 



POLYPODIEJE, 622 



Polypodimn, 624 



Polypody, 624 



Polypogon, 599 



Polypremum, 201 



Polypteris, 261 



Polystachya, 482 



Polytsenia, 182 



POME.E, 130 



Pomegranate, 142 



Pondweed, 470 



Pondweed Family, 4(18 



Pontederia, 523 

 PONTEDERIACE^E, 523 



Ponthieva, 490 



Poplar, 454 



Poppy Family, 20 



Populus, 454 



Portulaca, 39 

 PORTULACACE^E, 38 



Potamogeton, 470 



Potentilla, 135 



Poterium, 134 



Prenanthes, 272 



Prickly Ash, 68. 



Prickly Pear, 171 



Pride of India, 63 



Primrose Family, 297 



PRIMULACF^E, 297 



Prince's Pine, 289 



Priva, 367 



Prosartes, 514 



Proserpinaca, 159 



Primus, 130 



Pseudophcenix, 463 



Psilocarva, 557 



Psilotum, 639 



Psoralea, 99 



Psvchotria, 195 



Ptelea, 69 



PTERIDE^E, 622 



Pteris, 625 



Pterocaulon, 238 



Puccoon, 21 

 Pulse Family, 93, 96 

 Purslane, 

 Purslane Family, 



Puttyroot. 480 



Pycnanthemuni, 375 



Pyrola, 289 



