Index 



Pinus, 10 



echinata, 11 



inops, 11 



pungens, 10 



rigida, 10 



serotina, 10 



Strobus, 10 



Taeda, 10 



virginiana, 11 

 Pinweed, 178 



Beach, 179 



Hairy, 178 



Thyme-leaved, 178 

 Pipewort, 75 

 Pipsissewa, 195 



Spotted, 195 

 Pitcher Plant, 134 

 Plane Tree Family, 137 

 Plantaginaceae, 241 

 Plantago, 241 



arenaria, 242 



aristata, 242 



halophila, 241 



heterophylla, 242 



indica, 242 



lanceolata, 242 



major, 241 



pusilla, 242 



Rugelii, 242 



virginica, 242 

 Plantain, 241 



English, 242 



Indian, 276, 277 



Mud, 77 



Rattlesnake, 92 



Robin's, 265 

 Platan ACE AE, 137 

 Platanus, 137 

 Pluchea, 266 

 Plum, 146 



Beach, 146 



BuUace, 146 



Chickasaw, 146 



Wild, 147 

 Plumbaginaceae, 202 

 Poa, 21 



alsodes, 22 



annua, 21 



autumnalis, 22 



brachyphylla, 21 



Chapmaniana, 21 



compressa, 21 



cuspidata, 21 



nemoralis, 22 



(Poa) 



pratensis, 21 



sylvestris, 22 



trivialis, 21 

 Podophyllum, 125 



PODOSTEMACEAE, 135 



Podostemum, 135 

 Pogonia, 90 



ophioglossoides, 90 



Whorled, 91 

 Pogonia, 90, 91 



divaricata, 91 



pendula, 90 



trianthophora, 90 



verticillata, 91 

 Poison Hemlock, 191 



Ivy, 169 



Oak, 169 

 Poke- weed, 113 

 Polanisia, 134 



POLEMONIACEAE, 213 



Polemonium, 214 



Poly gala, 163 

 ambigua, 165 

 cruciata, 164 

 Curtissii, 164 

 cymosa, 165 

 Fringed, 163 

 incarnata, 164 

 lutea, 165 

 mariana, 164 

 Nuttallii, 164 

 paucifolia, 163 

 ramosa, 165 

 sanguinea, 164 

 Senega, 164 

 verticillata, 164 

 viridescens, 164 



POLYGALACEAE, 163 

 POLYGONACEAE, 105 



Polygonatum, 84 

 Polygonella, 109 

 Polygonum, 106 

 acre, 108 

 amphibium, 107 

 arifolium, 108 

 atlanticum, 107 

 aviculare, 106 

 aviculare, 106 

 Bellardi, 106 

 Careyi, 107 

 coccineum, 107 

 Convolvulus, 108 

 cristatum, 109 



(Polygonum) 

 cuspidatum, 109 

 densiflorum, 107 

 dumetorum, 109 

 erectum, 106 

 glaucum, 106 

 hydropiper, 108 

 hydropiperoides, 108 

 lapathifolium, 107 

 longisetum, 108 

 maritimum, 106 

 Muhlenbergii, 107 

 natans, 107 

 neglectum, 106 

 opelousanum, 108 

 orientale, 108 

 pensylvanicum, 107 

 Persicaria, 108 

 prolificum, 106 

 punctatum, 108 

 pundatum, 108 

 ramosissimum, 106 

 robustius, 108 

 sachalinense, 109 

 sagittatum, 108 

 scandens, 109 

 setaceum, 108 

 tenue, 107 

 virginianum, 109 



Polymnia, 268 



POLYPODIACEAE, 2 



Polypodium, 2 

 Polypody, 2 



Rock, 2 



Tree, 2 

 Polypogon, 31 

 Polypremum, 205 

 Polystichum, 4 

 Pondweed, 13 



Horned, 14 

 Pontederia, 77 



PONTEDERIACEAE, 77 



Poor Man's Weather- 

 glass, 204 

 Poplar, 95, 96 

 Poppy, 127 



Horn, 127 



Opium, 127 



Plume, 126 



Prickly, 127 

 Populus, 95 

 Portulaca, 119 



PORTULACACEAE, 118 



[306] 



