124 



Oxydendrum arboreuin 18, 54, 96. 

 Ox-eye Daisy 111. 

 Oxypolis filiformis 26, 94. 

 rigidior 94. 



Panicuin aciculare 66. 

 anceps 66. 

 barbulatuin 66. 

 capillare 66. 



condensuin 66. 

 curtifoliuin 66. 

 dichotoiniflorum 66. 

 lieini torn urn 35, 65. 

 neuranthum 65. 

 scabriusculuin 35, 37, 65. 

 spkaerocarpon 66. 

 verrucosus 66. 

 virgatuin 66. 



Pansy Violet 91. 

 Paper Mulberry 59. 

 Parthenocissus 89. 

 Partridge Berry 18, 24, 105. 

 Partridge Pea 83. 



Large 83. 

 Paspalum Boscianum 65. 



fioridanuin 65. 



plehipilum 65. 



setaceum 16, 65. 

 Passifloraceae 92. 

 Passiflora incarnata 92. 



lutea 92. 

 Peach 83. 

 Pearlwort 78. 

 Pecan 57. 



Peltandra virginica 34, 36, 69. 

 Pentsemon australis 102. 



laevigatus 16, 37, 102. 



Penthorum sedoides 81. 

 Peppergrass 79. 



Persea pubescens 23, 28, 29, 50, 79. 

 Persimmon 14, 17, 19, 20, 21, 40, 



55, 97. 

 Phleum pratense 67. 

 Phlox Hentzii 16, 100. 



subulata 100. 

 Phoradendron flavescens 76. 



Physalis intermedia 102. 

 nictaginea 102. 

 virginiana 102. 



Phytolaccaceae 77. 



Phytolacca decandra 77. 



Pickerel-weed 70. 



Pignut Hickory 17, 39, 45, 75. 



Pigweed 77. 



Pinaceae 63. 



Pinchot, Gifford, cited 12. 



Pine Barrens 9. 



Pinus echinata 19, 44, 64. 



palustris 21, 28, 29, 36, 38, 43, 64. 



serotina 23, 29, 38, 43, 63. 



taeda 23, 28, 35, 43, 63. 



virginiana 44, 63. 



Pin weed 91. 

 Pineweed 90. 

 Pinxter Flower 95. 

 Piperaceae 74. 

 Pipewort 35. 

 Pipsissewa 20, 95. 

 Pitcher Plants 29, 80. 

 Planera aquatica 30. 

 Planer Tree 30. 

 Plantaginaceae 104. 

 Plantago aristata 104. 



heteraphylla 104. 



lanceolata 104. 



major 104. 



virginica 104. 



Plantain-leaved Everlasting 110. 



Platanaceae 81. 



Platanus occidentalis 50, 81. 



Pleistocene 7. 



Pliocene 8. 



Pluchae bifrons 26. 



foetida 38, 110. 



petiolata 110. 



Pogonia divaricata 29, 74. 



ophioglossoides 29, 73. 

 Poison Ivy 27, 31, 88. 

 Poison Oak 14, 21, 36, 88. 

 Poison Sumach 31, 88. 

 Poke Berry 77. 

 Polemoniaceae 100. 

 Polygalaceae 87. 



