Nucamentum, 248
Nudum, folium, 168
Nudus, flos, 306
Nut, 282
Obliqua, folia, 148
Oblique leaf, at the base, 159
Oblongum, folium, 153
Obovatum, folium, 153
Obtusum, folium, 160
cum acumine, 161
Ochrea, 223
Opposita, folia, 145, 177
Oppositifolius, pedunculus, 130
Orbiculatum, folium, 152
Ovale, folium, 153
Ovatum, folium, 153
Palmatum, folium, 158
Panduriforme, folium, 157
Panicula, 237
Papilionacea, corolla, 258
Papillosus, 124
Pappus, 299—301
Partitum, folium, 158
Patentia, folia, 147
Pectinatum, folium, 159
Pedatum, folium, 181
Pedicellus, 129
Pedunculus, 129
Pellicula, 296
Peltata, folia, 149
Pentagonus, caulis, 123
Pepo, 284
Perfect flowers, 306
Perfoliata, folia, 150
Perianthium, 244
Pericarpium, 244, 276—287
Perichætium, 251—253
Peridium, 502
Peristomium, 491
Persanota, corolla, 257
Petalum, 243, 255
Petiolata, folia, 149
Petiolus, 132
Pileus, 502
Pilosus, 125
Pilus, 226—229
Pinnatifidum, folium, 158
Pinnatum, fol. 176—179
Pistillum, 243, 273—276
Plaited leaf, 165
Plicatum, folium, 165
Plumula, 97
Pod, 280
Podetium, 497
Pointed leaf, 160
Pollen, 272
Pomum, 282
Pouch, 280
Præmorsa, radix, 107
Præmorsum, folium, 160
Prickle, 224
Procumbens, caulis, 117
Prolifer, caul. 121
Prostratus, caul. 117
Pubes, seminis, 301
Pubescence, 226—229
Punctatum, folium, 165
Quadrangulare, folium, 155
Quadrangularis, caulis, 123
Quaterna, folia, 146
Quina, folia, 146
Quinatum, folium, 176
Quinquangulare, fol. 155
Quinquangularis, caulis, 123
Racemus, 231
Radicalia, folia, 144
Radicans, caulis, 118
Radicula, 103
Radius, 308
Ramea, folia, 145
Rameus, pedunculus, 130
Ramosissimus caulis, 121