idalis, 128, 238, 506
sambucina, 63, 66
simia, 238

Ornithogalum, 114, 360, 365, 367
longebracteatum, 171

OROBANCHACEAE, 137

Orobanche, 73, 137, 209, 296, 505
gracilis, 442

Orobus, 295
vernus, 502
viscosus, 502

Ouvirandra, 458

OXALIDACEAE, 403

Oxalis, 295, 329, 404, 459
Acetosella, 404
carnea, 502

P.

Paeonia, 295, 300, 364, 399, 407
Moutan, 500
officinalis, 261
paradoxa, 500
tenuiflora, 500

PALMACEAE, 155

Panax, 331

Papaver, 289, 295, 297, 473
bracteatum, 28, 304, 310, 500
nudicaule, 310
orientale, 250

Papaver Rhoeas, 429, 458, 500
somniferum, 28, 305, 310, 500

PAPAVERACEAE, 99, 500

PAPILIONACEAE, 397, 502, see _Leguminosae_

Paris quadrifolia, 31, 358, 360, 367, 396

Paritium, 137

Parnassia, 364

Paronychia serpyllifolia, 473

Parthenium inodorum, 243

Passiflora, 137, 201, 301, 365, 463, 473
coerulea, 185
palmata, 185
quadrangularis, 181

PASSIFLORACEAE, 137

Pastinaca, 82
sativa, 272

Pavia, 137

Pedicularis, 238
euphrasioides, 238
sylvatica, 44, 223, 226, 238

Peganum, 363

Pelargonium, 22, 23, 25, 63, 107, 113, 208, 221, 225, 295, 336, 360,
373, 389, 418, 419, 434
grandiflorum, 86
inquinans, 30, 226
zonale, 106, 226, 501

Peltaria, 137
alliacea, 250, 251, 252

Pentstemon, 226, 455

Pereskia, 107, 113, 149
Bleo, 179

Perilla, 459

Persica (_Amygdalus_)
vulgaris, 44, 250, 252, 503

Petalostylis, 296

Petunia, 254, 256, 291, 296
nyctaginiflora, 505
violacea, 34, 44, 250, 253, 505

Phaius grandiflorus, 107, 509, 510

Phalaenopsis, 238
amabilis, 227
equestris, 231, 238
Schilleriana, 224

Pharbitis, 73

Phaseolus, 21, 298, 364

PHILADELPHACEAE, 113, 137, 149

Philadelphus, 113, 137, 142, 149, 295, 364, 367
coronarius, 503
speciosus, 178, 298

Philyra brasiliensis, 198

Phleum, 115, 138
phalaroides, 169
pratense, 325

Phlomis, 138
biloba, 72
fruticosa, 119, 238

Phlox, 73

Phoenix dactylifera, 318

Phylica, 325

Phyllanthus longifolius, 198

Phyllarthron, 64, 396

Phyteuma odoratum, 271
orbiculare, 20
spicatum, 166, 252

Phytolacca, 20

Picea, see _Abies_
Lowii, 203
nobilis, 203
Nordmanniana, 203
Webbiana, 203

Picrasma, 509

Pimpinella magna, 66
Saxifragra, 66

Pinckneya, 429

Pinus, 11, 19, 114, 318, 346, 471, (see _Abies_, _Larix_, _Cedrus_)