160 



INDEX. 



Palma-Christi, 79 

 Palmetto, 27 

 Palm Family, 26 

 Pandanales, 2 

 Panic-grass, 11 

 Panicum, 11 

 Papaveraceae, 52 

 Papaverales, 51 

 Papaw, 96 

 Papaw Family, 96 

 Papayaceae, 96 

 Paradise- tree, 73 

 Parietaria, 40 

 Paritium, 92 

 Parkinsonia, 59 

 Parthenium, 150 

 Parthenocissus, 89 

 Paspalum, 9 

 Passiflora, 96 

 Passifloraceae, 96 

 Passiflorales, 96 

 Passion-flower, 96 

 Passion-flower Family, 



96 

 Peacock-flower, 59 

 Pea Family, 60 

 Pectis, 153 

 Pedilanthus, 83 

 Pellitory, 40 

 Pepper, 125 

 Peppergrass, 53 

 Periwinkle, 116 

 Persea, 100 

 Persimmon, 110 

 Petalostemon, 64 

 Petiveria, 47 

 Petiveriaceae, 47 

 Petiveria Family, 47 

 Pharbitis, 120 

 Phaseolus, 67 

 Philabertella, 117 

 Philoxerus, 46 

 Phragmites, 18 

 Phyla, 129 

 Phyllanthus, 76 

 Phy sails, 123 

 Physurus, 37 

 Phytolacca, 47 

 Phytolaccaceae, 47 

 Pickerel-weed, 29 

 Pickerel-weed Family, 29 

 Picramnia, 73 

 Pigeon-pea, 66 

 Pigeon-plum, 41 

 Pigweed, 43, 44 

 Pilea, 40 



PiNACEAE, 2 

 PiNALES, 1 



Pine, 2 

 Pineapple, 31 



Pineapple Family, 30 

 Pine Family, 2 

 Pinguicula, 134 

 Pinguiculaceae, 134 

 Pinus, 2 



Pipe-wort Family, 29 

 Piriquita, 95 

 Pisonia, 49 

 Pithecolobium, 56 

 Plantaginaceae, 136 

 Plantaginales, 136 

 Plantain Family, 136 

 Pluchea, 150 

 Plum Family, 55 

 Plumbago, 108 

 Plumbago Family, 107 

 Poaceae, 5 



POALES, 5 



Poinciana, 59 

 Poinsettia, 82 

 Poison-ivy, 84 

 Poison-oak, 84 

 Poisonwood, 84 

 Poke, 47 

 PoKEWEED Family, 47 



POLEMONIALES, 118 



Polygala, 74 



POLYGALACEAE, 74 

 POLYGALALES, 74 

 POLYGONACEAE, 41 

 POLYGONALES, 41 



Polypremum, 114 

 Pomegranate, 102 

 Pomegranate Family, 102 

 Pond-apple, 51 

 Pondweed Family, 3 

 Pontederia, 29 

 Pontederiaceae, 29 

 Poppy Family, 52 

 Portulaca, 50 

 Portulacaceae, 50 

 Potato Family, 122 

 Potato-tree, 124 

 Poverty-grass, 15 

 Prairie-clover, 65 

 Prickly-pear, 98 

 Prickly-poppy, 52 

 Primrose Family, 108 

 Primulaceae, 108 

 Primulales, 107 

 Prince-wood, 138 

 Priva, 129 

 Pseudophoenix, 27 

 Psidium, 104 

 Psychotria, 140 

 Pterocaulon, 150 

 Punica, 102 



PUNICACEAE, 102 



Purslane, 50 

 Purslane Family, 50 



Quassia Family, 72 

 Queen-root, 79 

 Queen's-delight, 79 



Rabbit-foot clover, 63 

 Ragweed, 144 

 Ragweed Family, 144 

 Raimannia, 105 

 Ranales, 51 

 Randia, 138 

 Rapanea, 109 

 Rattle-box, 62 

 Redbird-flower, 83 

 Red-ironwood, 87 

 Red-stopper, 104 

 Remirea, 25 

 Retama, 59 

 Reynosia, 87 

 Rhabdadenia, 116 

 Rhacoma, 84 

 Rhamnales, 87 

 Rhexia, 101 

 Rhinanthaceae, 132 

 Rhizophora, 105 

 Rhizophoraceae, 105 

 Rib-grass, 136 

 Ribwort, 136 

 Ricinus, 79 

 Rivina, 47 



ROSALES, 54 



Rose-mallow, 92 

 Rotala, 101 



Rough-strongback, 127 

 Rough velvet-seed, 139 

 Royal-palm, 27 

 Royal-poinciana, 59 

 Roystonea, 27 

 rubiaceae, 137 

 rubiales, 137 

 Rue Family, 70 

 Ruellia, 134 

 Ruppia, 3 

 Rush-grass, 16 

 Rutaceae, 70 

 Rynchospora, 25 



Sabal, 27 

 Sabbatia, 114 

 Sachsia, 150 

 Saffron-plum, 112 

 Sage, 131 

 Sagittaria, 4 

 Sago-palm Family, 1 

 Salicornia, 43 

 Saltwort, 48 

 Saltwort Family, 47 

 Salvia, 131 

 Samodia, 108 

 Samolus, 108 

 Samphire, 43 



