MIDDLESEX FLOEA. 



195 



Oxybaphus, 82. 



Painted-cup, 69. 

 Panic Grass, 121. 

 Panicum, 121. 

 Pannaria, 169. 

 Papaveracese, 4. 

 Pansy, 11. 

 Parietaria, 92, 

 Parmelia, 167. 

 Farnassia, 35. 

 Paronychlse, 17. 

 Parsley, 40, 41. 

 Parsnip, 40. 

 Parthenium, 51. 

 Partridge-berry, 45. 

 Partridge-pea, 29. 

 Paspalutu, 121. 

 Pastinaca, 40. 

 Pear, 34. 

 Pearlwort, 16. 

 Pediastrum, 158. 

 Pedicularis, 69. 

 Pellia, 149. 

 Pellitory, 92. 

 Peltandra, 97. 

 Peltigera, 169. 

 Penium, 162. 

 Pennyroyal, 71. 

 Penny^yort, 40. 

 Penthorum, 35. 

 PentstemoD, 68. 

 Pepperbush, 62. 

 Peppergrass, 9. 

 Pepperidge, 43. 

 Peppermint, 70. 

 Pepper-root, 6. 

 Periploca, 82. 

 Pertusaria, 170. 

 Petalostemon, 26. 

 Petunia, 79. 

 Phacelia, 76. 

 PhsBnogamia, 1. 

 Phaeosaccion, 155. 



Phseosporeae, 154. 

 Phalaris, 124. 

 Phegopteris, 136. 

 Pliilonotis, 143. 

 Phleum, 126. 

 Plilox, 77. 

 Phragmites, 129. 

 Phryma, 70. 

 Phyllitis, 154. 

 Physalis, 79. 

 Physcia, 168. 

 Pliyscomitrella, 140. 

 Pliyscomitrium, 143. 

 Physma, 169. 

 Physostegia, 73. 

 Phjrtolacca, 83. 

 Phytolaccacese, 83. 

 Picea, 96. 

 Pickerel-weed, 110. 

 Pigeon Grass, 123. 

 Pigweed, 83, 85. 

 Pilea, 91. 

 Pimpernel, 66, 68. 

 Pine, 96. 

 Pine-sap, 63. 

 Pink, 13. 

 Pinus, 96. 

 Plnweed, 12. 

 Pinxter-flower, 63. 

 Pipewort, 111. 

 Pipsissewa, 63. 

 Pirus, 34. 

 Pisum, 29. 

 Pitclier-plant, 4. 

 Placodium, 169. 

 Plane-tree, 92. 

 Plantaginacese, 64. 

 Plantago, 64. 

 Plantain, 64. 

 Platanacese, 92. 

 Platanus, 92. 

 Pleurocarpus, 159. 

 Pleurotaenium, 161. 

 Pluchea, 51. 



