519 



Palaegulus, 326. 



Palisota, 193. 



Palraae, 15, 156, 209. 210, 

 303, 305, 307, 308,436, 

 438, 439, 441, 442,455, 

 457, 460, 483. 



Palmella, 37. 



Panax, 410, 480. 



Pandaneae, 15, 210. 



Pandaiius, 432, 441, 463. 



Pauicum, 450, 467 



Papaver, 113, 127,165,170, 

 234. 368, 373, 397,398, 

 899, 402. 403, 404,406, 

 407, 408, 409, 411, 412, 

 413, 414, 417, 418, 420, 

 421, 422, 423, 424, 427, 

 428, 468, 488. 



Papaveraceae. 23, 234. 



Papayaceae, 23, 234. 



Paphia, 204. 



Papilionaceae, 23, 235,381. 



Pappophoraceae, 194. 



Pareira, 416. 



Parinarium, 219, 351. 



Parmelia, 78. 



Paronychia, 270, 410. 



Paronychiaceae, 23. 



Parrya, 223. 



Passiflora, 464. 



Passifloraceae, 23. 



Pastinaca, 252. 



Paullinia, 115. 



Paulownia, 339 



Pavonia, 230. 



Payera, 243. 



Pedicularis, 248, 249. 



Pelargoniura, 334, 374, 426, 

 470. 



Peltigera, 77- 



Penicellaria, 449. 



Pennisetum, 452. 



Pentarrapbia, 227. 



Pentas, 245. 



Pentsleraon, 26, 164, 248. 



Peplis, 230. 



Pericallis, 369. 



Peridermium, 357. 



Periplegmatiura, 39. 



Peronospora, 337, 339,487. 



Peronosporeae, 44. 



Peronosporites, 325 



Persica, 332. 334, 355, 370, 

 373, 375, 476 



Pescatorea, 208. 



Pestalozziae, 45. 



Petagnia, 27. 



Peucedanura, 252, 265. 



Peziza, 41, 43, 45, 51, 52, 

 55, 58. 



Plialaenopsis, 208. 



Phalangium, 199, 200. 



Phanerogan:ae, 181, 255. 



Phaseolus, 23, 89, 104, 115, 

 170, 236, 364. 



Phialea, 52. 



Philadelphaceae, 236. 



Philadelphus, 236. 



Philodendron, 13, 157, 191. 



Philonotis, 176, 265. 



Phleum, 195. 



Phlox, 237. 



Phoenii, 166, 209 



Phoma, 49, 57, 336, 338, 343 



Phorinidium, 32. 



Phycomycetes, 48. 



Phycoseris, 29, 132. 



Phylachne, 250. 



Phyllocladus, 187. 



Phyllophora, 32. 



Phyllosiphon, 33. 



Phyllosticta, 57. 



Physalis, 249, 415. 



Physianthus, 161. 



Physostigma, 106, 123,403, 

 407, 417, 424, 429. 



Phytolacca, 23, 128, 140, 

 141, 236, 397, 420. 



Phytolaccaceae, 23, 236. 



Piaranthus, 213. 



Picea, 187, 480. 



Pierrea, 246. 



Pilea, 469. 



Pilocarpus, 396. 397, 400. 

 401, 402, 404, 405, 410, 

 411, 412, 413, 414,416, 

 417, 422. 



Pinguicula, 140. 



Pinnularia, 32. 



Pinus, 12, 86,99,129,157, 

 187, 188, 291, 302,308. 

 309, 329, 331, 333, 338, 

 339, 343, 344, 345, 354, 

 365, 366, 368, 369. 373, 

 374, 407, 423, 424, 428, 

 432, 442, 445, 452, 453, 

 455, 458, 459, 470,479, 

 481, 487. 



Piper, 103, 105, 128, 399, 

 399, 406, 409, 455,475. 



Piperaceae, 24 



Piperomea, 24. 



Piplopastha, 190. 



Piptoptera, 219. 



Pircumia, 296. 



Pirus, 96, 137, 147, 149, 

 150, 171, 237, 332, 333, 

 334, 337, 338, 339,340, 

 342, 344, 346, 349, 363, 

 364, 368, 371, 375,455, 

 459, 462, 463, 473,474, 

 475. 



Piscatorea, 207. 



Pistaeia, 212,348,349,352, 



428. 

 Pistia, 14, 477. 

 Pisum, 21. 



Pithecoluinbium, 443. 

 Pithophoraceae, 38. 

 Pitoideas, 287. 

 Planaria, 27. 



Plantagiuaceae, 24. 236, 237. 

 Plantago, 236, 366. 368, 



375, 479, 483. 

 Platanthera, 204, 481. 

 Plalanus, 349. 

 Platycerium, 6, 162, 180. 

 Platycodon, 217. 

 Platystomeae, 58. 

 Pleione, 204. 

 Pleospora, 47. 

 Pleroma, 231. 

 Pleurococcus, 37. 

 Pleurospermum, 268. 

 Pleurotus, 52. 

 Plumbaginaceae, 236. 237. 

 Plumbago, 160. 303. 

 Poa, 194, 195, 460, 481. 

 Podanthum, 217. 

 Podisoma, 44, 45. 339. 

 Podophyllum, 92, 400, 401, 



409, 421. 

 Podospermum, 220. 

 Podostemaceae, 24, 237. 

 Pogonia, 204. 

 Pogoniris, 196. 

 Polemoniaceae, 24, 37. 

 Polyblasteae, 77. 

 Polygala, 170, 259, 409. 

 Polygalaceae, 238. 

 Polygonaceae, 238. * 



PoLygonum, 130. 169, 238. 

 Polypetala, 297. 

 Polyphagus, 35. 

 Polypodiaceae. 5, 6, 181. 

 Polypodium, 178, 179,268. 

 Polvporus, 43, 50, 52. 55. 



.56, 335. 

 Polysiphonia, 32, 34, 39. 

 Polystachya, 205. 

 Polystichum, 180. 

 Polytripa, 326. 

 Pomaceae, 237, 254. 

 Pomaderris, 226, 479. 

 Populus, 246, 317, 348, 452, 



473. 

 Poranthera, 485. 

 Porphyra, 31. 

 Porphyridium, 37. 

 PortuIacacRae, 24, 238. 

 Potalia, 426. 

 Potamogeton. 15, 203, 257, 



259, 264, 482. 



