Index 



267 



Page 



Pearl Milkweed 164 



Pedieellaria 89 



Pentstemon 191 



Peppergrass 84 



Pepper- vine 133 



Perezia 243 



Persicaria 71 



Petalostemon 106, 107 



Petiveraceae 72 



Petunia , .173 



Phacelia 167 



Phanero taenia 154 



Pharbitis 165 



Phaseolus . . 109 



Philabertella 164 



Philadelphia Fleabane 223 



Philadelphus 90 



Phlox 168 



Phlox Family 168 



Phoradendron 197 



Phyla 179 



Phyllanthus 120 



Physalis 170 



Physostegia 185 



Phytolacca 73 



Phytolaccaceae 72 



Pickerel-weed 60 



Pickerel-weed Family 60 



Pigeon-berry 73 



Pinaropappus . . 244 



Pin Clover 112 



Pin-cushion Daisy 239 



Pine-apple Family . , 61 



Pine Nettle . . . . 112 



Pink Dandelion . 245 



Pink Evening-primrose . ...149 



Pink Family 77 



Pink Mimosa 96 



Pipe Stem . 80 



"Pita" . . 64 



Plantaginaceae 196 



Plantago .196 



Plantain 196 



Pluchea . . ... . 225 



Plum, Wild 92 



Podophyllaceae . . 82 



Podostemma . . 163 



Poinsettia 125, 126 



Poison Ivy. .... 127 



Poke-berry 73 



Page 



Polanisia 88 



Pokeweed Family 72 



Polemoniaceae 168 



Polka-dots 193 



Polygala 118, 119 



Polygalaceae 118 



Polygonaceae 70 



Polygonum 71 



Polypremum 160 



Poly taenia 154 



Polyp teris 236 



Pompadour Mallow 137 



Pond-lily 81 



Pontederia 60 



Pontederiaceae 60 



Poor-man's Patches 141 



Poppy, Mexican 82, 83 



Poppy Family 82 



Porliera 117 



Portulaca 76 



Portulacaceae 76 



'Possum Plums 158 



Potato Family 170 



Poverty Weed 224, 225 



Powder-horn 78 



Powder Puffs 242 



Prairie Clover 106, 107 



Prairie Lily 69 



Prickly Lettuce 245 



Prickly Pear 142 



Prickly Poppy 82, 83 



Primrose Family 156 



"Primula" 149 



Primulaceae 156 



Prosopis 96 



Prunus 92 



Psoralea 104, 105 



Ptelea 118 



Ptilimnium 154, 155 



Puccoon 176 



Puff balls 235 



Puncture Plant 114 



Purple Aster . . .223 



Purple Clematis . 80 



Purple Dalea . .... 105 



Purple Gentian 161 



Purple Horsemint .188 



Purple Nightshade .172 



Purple Sage .187 



Purslane 76 



