392 



A.MERIGAN Midland Naturalist Monograph No. 7 



Parsonsia 161 



Parthenium 256 



Parthenocissus 1 10 



Partridge-berry 224- 



Paspalum 346 



ciliatifolium 346 



circulare 346 



dissectum 346 



fioridanum 346 



fluitans 346 



geminum 346 



glabratum 346 



laeviglume 346 



muhlenbergii 346 



pubescens 346 



piibiflorum 346 



stramineum 346 



Pasque Flower 56 



Passiflora 161 



Passifloraceae 161 



Passion-flower 161 



Passion-flower Family 161 



Paulownia 205 



Pawpaw 50 



Pea 139, 140, 141 



Pea Family 126 



Peach 124 



Pear 121 



Pearlwort 84 



Pecan 150 



Pedicularis 204 



Pellaea 47 



Pellitory 159 



Peltandra 299 



Pencil-flower 138 



Peniophyllum 166 



Pennycress 76 



Pennyroyal 221 



Pennywort 188 



Penstemon 198 



Penthoraceae 143 



Penthorum 143 



Penthorum Family 143 



Peplis 160 



Pepo 162 



Peppercress 76 



Peppermint 222 



Pepper-vine 1 10 



Perideridia 173 



Perilla 223 



Periwinkle 183 



Persimmon 178 



Peruvian Daisy 258 



Petalostemum 133 



Petunia 196 



Phacelia 192 



Phalaris 344 



Phaseolus 140 



Phegopteris 45 



Philadelphus 141 



Phleum 340 



Phlox 188 



Phlox Family 188 



Phoradendron 168 



Phragmites 334 



Phryma 213 



Phrymaceae 213 



Phyla 213 



Phyllanthus 103 



Phymosia 82 



Physalis 193 



alkekengi 193 



angulata 194 



heterophylla 195 



ixocarpa 194 



lanceolata 194 



longifolia 194 



pendula 194 



pruinosa 195 



pubescens 195 



pumila 194 



subglabrata 194 



virginiana 194 



Physocarpa 1 1 2 



Physocarpus 1 1 2 



Physostegia 218 



Phytolacca 92 



Phytolaccaceae 92 



Pickerelweed 290 



Pickerelweed Family 290 



Picris 270 



Pignut 151 



Pigweed 88, 90, 91 



Pilea ; 159 



Pimpernel 179 



PiNACEAE 48 



Pine 48, 49 



Pineapple- weed 265 



Pinesap 177 



Pink 86 



Pink Family 82 



Pinus 48 



Pinweed 64 



Pipsissewa 176 



Pitcher-plant 79 



Pitcher-plant Family 79 



Planera 157 



Plane-tree Family 143 



Plantagixaceae 206 



Plantago 206 



arenaria 207 



aristata 207 



cordata 207 



heterophylla 207 



indica 207 



lanceolata 207 



major 206 



media 206 



purshii 207 



pusilla 207 



rugelii 206 



virginica 206 



