642 



INDEX. 



Oiyzopsis, 



Osmorhiza, 



Osmunda, 



Osmundiacee 



Ostrya, 



Otophylla, 



OXALIDACE^, 



Oxalis, 



Oxycoccus, 



Oxydendron, . 



Oxyria, 



Pieonia, . 



Panax, 



Pa nice 83, 



Panicura, . 



Syn. 603, 604, 618 

 Papaver, . . 

 PAPAVERACEiE 

 fPapilionucece, 

 Parietaria, 

 Painassia, 

 Paronychia, 

 Parthenium 

 Paspalum, 

 Passitiora, 

 PASSIFLORACEiE, 269 

 Pastinaca, 

 Paulovvnia, 

 Favia, 



PEDALIACE^ 

 Pedicularis, 

 Pelargonium, 

 Peltandra, 

 Pentalophus, 

 Penthorum, 

 Pentstemon, 

 Peplys, 

 Periploca, 

 Persica, . 

 Peristylus, 

 Persicaria, 

 Petalostemon, 



. 5961 Podophyllum, . 

 Syn. 596'PODOSTEMACEjE, 485 

 293 Podostemum, . . 485 



Petroselinum, 

 Petunia, . 

 Phaca, 

 Phacelia, . 



Phalangium, 



PhalarscB, 



Phalaris, . 



Phalerocarpus, 



Pharbitis, 



Phaseolus, 



tPhiiadelpheas 



Philadelphus, 



Phleoidece, 



Phieum, . 



Phlox, . 



Phragmites, 



Phryraa, . 



Phyllanthug, 



Phyllodoce, 



Physalis, . 



Physostegia, 



Phytolacca, 



PHYTOLACCA- 



CE.E, . 

 Pimpinella, 

 Pinguicula, 

 Pinus, 



Syn. 515, 516 

 Piptatherum, 

 Pisum, 



PLANTAGINA 



CEiE, 

 Planfaeo, 

 PLATANACE^ 

 Platanus, . 

 Platanthera, 

 Plectranthus 

 Pluchea, . 

 PLUMBAGINA- 



CE^, 

 Poa, . 



399 



410 



Syn. 226 



. 288 



. 445 



. 229 



. 438 



Syn. 437 



. 552 



Syn. 562 



. 607 



596 



Pogonia, . 

 Polanisia, . 

 POLEMONIACE^, 438 

 Polemonium, . . 440 

 Polyanthes, . . 550 

 Polygala, . . .173 

 POLYGALACEiE, 173 

 POLYGONACE^, 473 

 Polygonatum, . . 553 

 Polysonella, . . 475 

 Polygonum, . . 473 

 Polymnia, . . 335 

 Polypodiaceae, 628 

 Polypodium, . . 628 



Syn. 631 

 Polypogon, . . 599 

 Polytaenia, . . 292 

 tPomeoe, . . . 243 

 PONTEDERACEiE, 555 

 Pontederia, . . 555 

 Populus, , . . 506 

 Portulaca, . . 193 

 PURTULAGACE^ 

 Potamogeton, . . 524 



Syn. 267 



Potentilla, 

 Poteriura, 

 Pathos, 

 Prenanthes, 

 Primula, . 

 PRIMULACE^a;, 

 Prinos, 

 Priva, 



Prose rpinaca, 

 Prunella, . 



Primus, . . .241 

 Syn. 240, 242 

 Psamma, . . .600 

 Psilostemon, . . 431 

 Psoralea, . . .225 

 Psylocarya, . . 574 

 Ptelea, . . .201 

 Pteris, . . .632 

 Pterospora, . . 380 

 Pulmonaria, 



. 255 

 . 521 

 361, 362 

 384 

 383 

 381 

 413 

 267 

 424 



. 434 

 Syn. 434 



. 258 

 , . 419 



Syn. 343 



. 378 

 Syn. 379 



Syn. 219 



614 



Podalyria, 



Syn. 613 



. 225 



Punica, . 



Pycnanthemum 



Pyrethrum, 



Pj'rola, 



t Pyroles, 

 Pyrularia, 

 Pyrus, 



Syn. 245, 246 

 Pyxldanthera, 

 Quamoclit, 

 Cluercus, 

 Queria, . 

 RANUNCULA 



CEiE, . 

 Ranunculus, 

 Raphanus, 

 Reseda, . 

 RESEDACE^, 

 Re.nssel<sria, 

 RHAMNACE 

 Rhamnus, 

 Rheum, . 

 Rhexia. . 

 Rhinanthus, 

 Rhododendron, 



Rubus, 

 Rudbeckia, 



Ruellia, 

 Rumex, 



. 249 

 . 337 



Syn. 338 



. 395 

 . 476 

 Syn. 473 

 . 524 



137 



53, 



Rhodora, , 



Rhus, 



Rhyncospora, 



Ribes, 

 Ricinus, . 

 Robinia, . 

 Rochelia, 

 Rosa, 



rosace;e, . 



Rosacese proper, 

 Rosmarinus, . 

 RUBIACE7E, . 



473 

 259 

 410 



Syn. 375 

 . 375 

 . 202 



. 574 



Syn. 575 



. 273 



. 488 



. 224 



. 435 



246 



238 



246 



419 



303 



Ruppia, . 



Ruta, 



RUTACE.a:, 



Sabbatia, 



Sagina, 



Sagittaria, 



SALICAGE^ 



Salicornia, 



Salix, 



Salpiglosssffi, 



Salsola, . 



Salvia, 



Salvinia, . 



Sambuceae, 



Sambucus, 



Samolus, 



Sanguinaria, 



San^uisorba, 



Sanicula, 



SANTALACEiE, . 



SAPINDACEJE, . 



Saponaria, 



Sarothra, 



Sarracenia, 



SARRACENIA- 



CE.E, . 

 Sassafras, 

 Satureja, 

 Satureineas, 

 SAURACEiE, 

 Saururus, 

 Saxifraffa, 



SAXIFRAGACEjE 

 t Saxifrageee, . 

 Scabiosa, 

 Scandix, . 

 Scheuchzeria, 

 Schiziea, . 

 Schizanthus, 

 Scfwenus, 

 Schollera, 

 Schrankia, 

 Schwalbea, 

 Sc i lleie, 

 Scir pete, 

 Scirpus, . 



Syre. 565, 568, 569, 570, 573 

 SCLERANTHA 



CEJE. . 

 Scleranthus, 

 Sclereffi, 

 iScleria, 

 Sclerolepis, 

 Scolopendrium 

 .Scrophularia, 

 SCROPHULARIA 



CEiE, . 

 Scutellaria, . . _ .. 

 ScutellarincEB, 423 

 Secale, . . .619 

 Sedum, 



Selinum, . . 290 

 Sempervivum, . 277 

 Senicio, . . .347 

 Syn. 352 

 Senecionidece, 335 



204 



409 

 484 

 484 

 278 

 278 

 278 

 310 

 . 292 

 . 528 

 . 635 

 . 397 

 574, 575 

 . 555 

 . 238 

 . 410 

 . 550 

 569 

 570 



Sepicuta, 



Sericocarpus 



Sesamum, 



Setaria, 



Seymeria, 



Shepherdia, 



SibbaJdia, 



S i b thorpea;, 



Sicyos, 



Sida, 

 Silene, 

 S i le nese, 



Siliculosae, 

 * SiiiquosEB, 

 Silphium, 

 Sinapis, . 

 Sison, 



270 



Syn. 271 



. 209 



287, 294 



Symphoricarpus 

 Symphitum, 

 Symplocarpus, 

 Synandra, 

 Synthyrus, 

 Syringa, . 

 Ta^etes, . 

 Talinum, . 

 Tanacetum, 



300 

 431 

 521 

 426 



Taraxacum, 



Tax us. 



Tax in 6 a;, 



Tecoma, 



Tephrosia, 



TERNSTRCEMIA 



CE/E, . 

 Teucriura, 

 Thalictrum, . 

 Thapsia, . 

 Thaspium, 



. 350 

 Syn. 347 

 . 362 



518 

 518 

 393 

 824 



Thenum, 

 Thlaspi, . 



Thuja, 



THYMELACE^, 



Thymus, . 



Tiarella, . 



Tigridia, 



Tilia, 



TILIACE^, . 



205 

 429 

 147 

 289 

 289 

 Srjn. 287, 296 

 . 479 

 . 160 



Syn. 161 

 517 



480 

 420 

 280 

 542 

 210 

 210 



