418 INDEX NOMINUM GENERICORUGM, 
Oldenlandia, 61. 
. Olea, 15. 
Omphalea, 588. 
Ononis, 331. 
Onopordum, 185. 
Onosma, 114. 
Ophioglossum, 401. 
Ophioxylum, 146. 
Ophrys, 7. 
Orchis, 6. 
Origanum, 85. 
Ornithogalum, z 39- 
Ornithopus, 540. 
Orobus, 539. 
Orontium, 2635. 
Oryza, 25. 
Osmunda, 401. 
Osteospermum, zr1. 
Othonna, 211. 
Oxalis, 321. 
P 
Pzonia, 575. 
Pancratium, 226; 
Pandanus, 5. 
Panicum, 18. 
Papaver, 3576. 
Parietaria, 69. 
Paris, 257. 
Parkinsonia, 427. 
Paspalum, 18. 
Passerina, 282. 
Passiflora, 154. 
Pastinaca, 167. 
Patagonula, 111. 
Pedalium, 104. 
Pedicularis, 95. 
Pelargonium, 512. 
Peltaria, 268. 
Penthorum, 308, 
Pergularia, 151. 
Perilla, 8o. 
Periploca, 148. 
Perotis, 17. 
Petiveria, 214. 
Peucedanum, 165. 
Peziza, 408. 
Phaca, 337. 
Phalaris, 17. 
Phaseolus, 555. 
Philadelphus, 549. 
Phleum, 19. 
Phlomis, 84. 
Phlox, 122. 
Phonix, 264. 
Phylica, 140. 
Phyllanthus, 391. 
Phyliis, 61. 
Physalis, 132. 
Phyteuma, 128. 
Phytolacca, 34z. 
Picris, 179. 
Pimpineila, 168. 
Pinguicula, go. 
Pinus, 598. 
Piper, 11. 
Piscidia, 546. 
Pisonia, 57. 
Pistacia, 171. . 
Pisum, 359. 
