Index to Nat. Ords. and Gen. in Parts III. & IV. 383. 



Nyctagine^k, iii. 389 

 Nyctanthes, L. iii. 116 



Oberonia, Lindl. iv. 136 

 Obionia, Miq. iii. 406 

 Ochrosia, Juss. iii. 129 

 Ocimum, L. iii. 365 

 Ocimum, L. iii. 368, 369, 378 

 Octarrhena, Thw. iv. 207 

 Olea, L. iii. 118 

 Oleace.e, iii. 112 

 Oligolepis, Wight, iii. 25 

 Omalanthus, A. Juss. iv. jji 

 Oncosperma, Bl. iv. 323 

 Ophelia, L. iii. 187 

 Ophiopogon, Ker, iv. 266, 267 

 Ophioxylon, L. iii. 125, 177 

 Orchide^,, iv. 132 

 Orchis, L. iv. 215, 231, 235 

 Oreocnide, Miq. iv. n8 

 Orobanchace^, iii. 260 

 Orobanche, L. iii. 262 

 Oro.xylum, Vent. iii. 281 

 Orthosiphon, Benth. iii. 369 

 Ostodes, Bl. iy. 52 

 Osyris, L. iii. 474 

 Otteha, Pers. iv. 125 

 OuviraTidra, Thou. iv. 372 

 Oxystelma, Br. iii. 147 



Pachystoma, Bl. iv. 171,172,224 

 Palaquium, Blanco, iii. 81 

 Palenga, Thw. iv. 35 

 PalmevE, iv. 319 

 Pancratium, L. iv. 272 

 Pandanace^, iv. 338 

 Pandatius, L. iv. 338, 341 

 Parietaria, L. iv. 115, 116, 119 

 Parsonsia, Br. iii. 134 

 Patonia, Wight, iii. 96 

 Pedaliace^, iii. 284 

 Pedalium, L. iii. 284 

 Pedicularis, L. iii. 259 

 Pella, Gaertn. iv. 91 

 Pellionia, Gaud. iv. 109 

 Peltandra, Wight, iv. 18 

 Pentatropis, Br. iii. 149 

 Peperomia, R b' P. iii. 430 

 Peplidium, Del. iii. 254 

 Periploca, L. iii. 144, 147, 153 

 Peristropke, Nees, iii. 345 

 Peristylus, Lindl. iv. 232, 233, 



234 

 Persea, Nees, iii. 444 

 Phajus, Lour. iv. 172 

 Phalcrnopsis, Bl. iv. 188 

 Phalangium, Juss. iv. 290 

 Phaleria, Jack, iii. 459 

 Pharbitis, Chois. iii. 212 

 Phaylopsis, Willd. iii. 296 

 Phlomis, L. iii. 386, 387 

 Phoenix, L. iv. 326 

 Pholidota, Lindl. iv. 162 

 Phreatia, Lindl. iv. 207 

 Phreatia, Lindl. iv. 208 

 Phrynium, Willd. iv. 262 



Phyllanthus, L. iv. 17 

 Phyllanthus, L. iv. 29, 30, 31, 



32, 33. 34 

 Phyllochlamys, Bur. iv. 100 

 Physalis, L. iii. 236 

 Physalis, L. iii. 237 

 Physurus, Rich. iv. 211 

 Phytolacca, L. iii. 410 

 Pilea, Lindl. iv. 107 

 Piper, L. iii. 423 

 Piper, L. iv. 364 

 PiPERACE.*:, iii. 423 

 Pisonia, L. iii. 391 

 Pistia, L. iv. 344 

 Pladera, Roxb. iii. 183, 185 

 Plantagine-*:, iii. 388 

 Plantago, L. iii. 389 

 Platanthera, Rich. iv. 230, 235 

 Plecospermum, Tree. iv. 103 

 Plecospermum, Thw. iv. 98 

 Plectranthus, L' Merit, iii. 370 

 Plectranthus, L'Herit. iii. 373. 



374 



Pl.UMBAGINACE.iE, iii. 64 



Plumbago, L. iii. 64 

 Plumeria, L. iii. 130 

 Podadenia, Thw. iv. 62 

 Podanthera, Wight, iv. 222 

 Podocarpus, L. iv. 121 

 Podochilus, Bl. iv. 205 

 Podostemon, Mich. iii. 416 



PODOSTEMONACE^, iii. 415 



Pogonia, Juss. iv. 224 

 Pogonotrophe, Miq. iv. 95 

 Pogostemon, Z'gj/'. iii. 378 

 Poi?iseftia, Grah. iv. i 

 Polianthes, L. iv. 282 

 Pollia, Thutnb. iv. 299 



POLYGONACEiE, iii. 410 



Polygonum, L. iii. 411 

 Polystachya, Hook, iv. 182 

 Pontederia, L. iv. 295 

 PONTEDERIACE^:, iv. 295 

 Porana, L. iii. 227 

 Posidonia, Keen. iv. 376 

 Potamogeton, L. iv. 373 

 Pothomorphe, Miq. iii. 429 

 Pothos, L. iv. 363 

 Pouzolzia, Gaud. iv. 115 

 Primulace^, L. iii. 65 

 Premna, L. iii. 350 

 Prenanthes, L. iii. 52 

 Pristidia, Thw. iii. 177 

 Priva, Adans. iii. 349 

 Procris, /z/5j. iv. 112 

 Prosoriis, Dalz. iv. 27 

 Proteace^, iii. 456 

 Pseudayithus, Wight, iii. 401 

 Psilotrichum, Bl. iii. 400 

 Psychotria, L. iii. 177 

 Pterostigma, Benth. iii. 241, 



242 

 Ptychospcrma, Lab. iv. 323 

 Ptilotus, Br. iii. 400 

 Ptyssiglottis, T. Anders, iii. 



340 



Pupalia, Juss. iii. 399 

 Putranjiva, Wall, iv. 34 

 Pyrrhosia, Wight, iii. 435 

 Pyrularia, Mich. iii. 475 



Raphistemma, Wall. iii. 150 

 Rauvolfia, L. iii. 125 

 Reidia, Wight, iv. 24 

 Remusatia, Schott, iv. 358 

 Rhabdia, Mart. iii. 197 

 Rhamphidia, Lindl. iv. 209, 



210 

 Rhaphidophora, Schott, iv. 361 

 Rhinacanthus, Nees, iii. 339 

 Rhiiianthus, L. iii. 258, 368 

 Rhizophora, iii. 75 

 Rhododendron, L. iii. 63 

 Rhynchoglossiim, Bl. iii. 279 

 Rhynchostylis, Bl. iv. 187 

 Rhytiglossa, Nees, iii. 340 

 Ribes, L. iii. 67 

 Riciniis, L. iv. 70, 72 

 Rivea, Chois. iii. 205 

 Rivea, Chois. iii. 206, 207, 



208 

 Rivina, L. iii. 410 

 Rostellularia, Reich, iii. 337, 



338 

 Rottlera, Roxb. iv. 62, 64, 65, 



66, 67, 68, 71 

 Rourea, Aubl. iii. 74 



ROXBURGHIACE^., iv. 280 



Roxburghia, Jones, iv. 281 



Ruellia, L. iii. 295 



Ruellia, L. iii. 253, 293, 294, 



323. 324... 332 

 Rujnex, L. iii. 415 

 Rungia, Nees, iii. 341 

 Ruppia, L. iv. 374 

 Ruppia, L. iv. 374 



Saccolabium, Bl. iv. 195 

 Saccolabium, Bl. iv. 187, 189, 



200, 201 

 Sagittaria, L. iv. 370 

 Saira, Baill, iv. 14 

 Salicornia, L. iii 408 

 Salicornia, L. iii. 407 

 Salsola, L. iii. 408, 409 

 Salvadora, L. iii. 120 

 Salvadorace^,, iii. 120 

 Samara, iii. 70 

 Sansevieria, Thunb. iv. 267 

 Santalace.^, iii. 474 

 Santalum, L. iii. 475 

 Sapium, P. Br, iv. 75 

 Sapota, L. iii. 77 

 SAPOTACEiE, iii. 75 

 Sarcandra, Gard. iii. 433 

 Sarcanthus, LJndl. iv. 199 

 Sarcanthus, Lindl. iv. 187, 197 

 Sarcochilus, Br. iv. 183, 186 

 Sa?rocliniujn, Thw. iv. 55, 56 

 Sarcococca, Lindl. iv. 9 

 Sarcostemma, Br. iii. 152 

 Satyrium, Siv. iv. 237 



