125 



Polygala Curtissii 87. 



cymosa 32, 87. 



grandiflora 20, 87. 



lutae 30, 35, 87. 



mariana 2G, 87. 



polygama 87. 



ramosa 26, 87. 

 Folygonaceae 76. 

 Polygonella polygama 77. 

 Polygonum aviculare 76. 



convolvulus 77. 



hydropiperoides 38, 77. 



persicaria 77. 



Polypodiaceae 62. 



Polypodium Polypodioides 62. 



Polypremum procumbens 98. 



Polytrichum commune 23. 



Pond Pine 10, 23, 24. 26. 29, 39. 



43, 63. 

 Pondweed 64. 

 Pontederiaceae 70. 

 Pontederia cordata 70. 

 Poor Man's Soap 28, 63. 

 Poplar 50, 79. 



Carolina 23, 74. 

 Populus deltoides 45, 74. 

 Porcher, F. P., 3. 

 Portulacaceae 78. 

 Portulaca oleracea 78. 

 Possum Haws 25, 27, 31, 34, 106. 

 Post Oak 14, 16, 20, 21, 29, 36, 42, 



47, 75. 

 Potamogeton diversifolius 34, 64. 



heterophyllus 34, 64. 

 Potentilla caroliniana 22, 82. 

 Potomac Formation 8. 

 Prenanthes alba 112. 



virgata 112. 

 Prestwood's Lake flora of 32. 

 Prickly Pear 92. 

 Primrose Willow 93. 

 Primulaceae 97. 



Proserpinaca pectinata 35, 37, 94. 

 Prunella vulgaris 101. 

 Prunus angustifolia 51, 82. 



caroliniana 5, 18, 60, 83. 



Persica 83. 



serotina 14, 17, 21, 23, 38, 51, 82. 



sp., ? 82. 



Psedera quinquefolia 27, 89. 



Psoralea pedunculata 26, 84. 



Pteridophyta 62. 



Pteris aquilina 22, 28, 36, 62. 



Ptilimnium capillaceum 94. 



Purslain Speedwell 103. 



Purslane 78. 



Pyxidanthera barbulata 16, 97. 



Pycnanthemum hyssopifolium 101. 



Pyrrhopappus carolinianus 112. 



Queen's Delight 16, 88. 

 Quercus alba 18, 46, 75. 



Catesbaei 14, 36, 48, 75. 



cinerea 14, 29, 36, 49, 75. 



coccinea 17, 47, 75. 



falcata 16, 21, 28, 29, 48, 75. 



la rifolia 5, 58. 



lyrata 30, 58. 



marilandica 14, 19, 21, 29, 36, 

 49, 75. 



Michauxii 30. 



nigra 19, 21, 27, 28, 48, 75. 



Phellos 19, 21, 27, 28, 49, 75. 



stellata 14, 16, 21, 29, 36, 47, 75. 



velutina 16, 48, 75. 



virginiana 58. 



Rabbit-foot Clover 84. 



Rabbit-tail Grass 68. 



Rabbit Tobacco 110. 



Ragweed 110. 



Rainfall 6. 



Ranunculaceae 79. 



Rattle-box 83. 



Rattlesnake Master 15, 94. 



Rattlesnake Plantain 113. 



Rattlesnake Root 112. 



Ravenel, H. W., 3, 4. 



Recent deposits 8. 



Red Bay 23, 24, 28, 29, 40, 50, 79. 



Red-berried Bamboo 29, 31, 72. 



Redbud 40, 51, 83. 



Red Cedar 57. 



Red Clover 84. 



Red Haw 17, 19, 81. 



