INDEX. 



8-^3 



PAGE. 



Pearl-wort, 439 



Pedicularis, 687 



Pellitory, 416 



Peltandra, 315 



Pencil-flower, 499 



Pennyroyal, 668 



False, 664 



Pennywort, 592, 643 



Penstemon, 678 



Penthorum, 470 



Pepperbush, Sweet, 608 



Pepper-grass, 465 



Pepper-root, 465 



Peramium, 376 



Persimmon 634 



Perularia, 364 



Phalaris, 216 



Phaseolus, 513 



^ Phegopteris 136 



Philotria, 173 



Phlox 656 



Phoradendron, 416 



Phragmites, 235 



Phryma 697 



Physalis, 675 



Phytolacca, 434 



Pickerel Weed, 326 



Pickering, Chas., 653 



Pieris 618 



Pig-nut, 398 



Pigweed, 433 



Pimpernel, False, 680 



Water, 631 



Pine, Ground, see Ground Plum 



Jersey, 147 



Old-field, 150 



Pitch, 148 



Pond 149 



Short-leavea 147 



White, 146 



Yellow 147 



Pine Barrens, 



61, 125, 148, 151, 356. 520, 530, 620, 731 



Pine Sap, 611 



Pinweed, 562 



Pink, Deptford, 435 



Moss, 657 



Sea 636 



Pinus, 146 



Pipewort, 324 



Pipsissewa, 610 



Pitcher Plant 467 



Plantago, 698 



Plantain, 698 



Indian, 776 



Mud, 327 



Rattlesnake, 376 



Robbin's, 762 



Water, see Water Plantain. . 



Platanus, 474 



PAGE. 



Pluchea 765 



Plum Beach, 491 



Chickasaw, 491 



Wild, 491 



Poa, 239 



Podophyllum, 459 



Pogonia, Rose, 370 



Spreading 370 



Whorled 371 



Poison Ivy, 538 



Oak, 538 



Sumac 536 



Poke, 434 



Polanisia, 466 



Polemonium 657 



Polycodium, 624 



Polygala, 520 



Polygala ambigua 522 



brevifolia 521 



cruciata, 521 



incarnata, 522 



lutea, 520 



mariana 523 



nuttallii, 523 



paucifolia, 525 



polygama 524 



senega, 524 



verticillata, . r 522 



viridescens 523 



Polygonum arifolium 426 



atlanticuni 425 



aviculare, 424 



careyi 422 



convolvulus 420 



eciliatum, 423 



emersum 421 



erectum, 424 



hydropiper '. . . . 421 



hydropiperoides, 422 



lapathifolium, 419 



maritimum 242 



opelousanum, 422 



pennsylvanicuni 422 



persicaria, 419 



prolificum, 425 



punctatum, 423 



robustius, 423 



sagittatum, 426 



scandens, 426 



setaceum, 424 



tenue 425 



virginianum 424 



Polygonatum, 349 



Polygonella, 427 



Polygonum, 421 



Polypodium, 129 



Polypody, 129 



Polystichum 133 



Pondweed, 162 



Pontederia, 326 



