737 



Pinguicula. 11, 30, 223,433. 



Pinus, 15, 124, 127, 135, 

 138, 13'J, 144, 147, 148, 

 154, 161, 165, 166, 179, 

 182, 190, 199, 204, 212, 

 219, 235, 268, 269, 270, 

 385, 387, 425, 433, 437, 

 438, 450, 452, 481, 485, 

 492, 494, 497, 500, 504, 

 509, 512, 513, 515, 516, 

 534, 537, 538, 539, 540, 

 543, 544, 573, 579, 601, 

 615, 653, 654, 655, 656, 

 657, 658, 671, 673, 680, 

 683, 684, 695. 



Pil)er, 581. 



Piperaeeae, 28, 341. 



Piptochaetiuui, 281. 



Piptopastha, 275 . 



Pipturus, 618. 



Pircunia, 640. 



Pirus, 28. 135, 174, 176, 

 205. 240, 241, 343, 344, 

 348, 478, 479, 480, 481, 

 482, 483, 484, 485, 489, 

 497, 500, 502, 504, 507, 

 509, 513, 516, 528, 532, 

 536, 540, 542, 611, 624, 

 628, 631, 644, 646, 648, 

 650, 676, 681, 684. 



Pisciilia, 570. 



Pisonia, 334. 



Pistaciaceae, 19. 



Pistacia, 501, 502, 506, 594. 



Pistillaria, 70. 



Pisum, 213. 



Pitcairuea, 277. 



Pithecolobiuui, 339. 



Pithophora, 49. 



Placidiopsis, 108. 



Placodermii, 54, 55. 



Placodium, 115 



Plagiothecium, 247, 249,251. 



Planera, 630. 



Plantaginaceae, 28, 230, 341. 



Plantago, 28, 152, 230, 341, 

 528, 530, 536, 697. 



Plasmadiophora, 493, 497, 

 513. 



Platanthera, 292, 368. 



Platanocarpiim , 571. 



Platanus, 670. 



Platycarpum, 351. 



Platycerium, 6, 225, 257) 422. 



Platygrapha, 115, 694. 



Platylepis. 279. 



Platysma, 115 . 



Pleonectria, 63 . 



Pleospora, 55, 74, 77, 490, 

 492, 691. 



Pleraginea, 312. 



Pleuropus, 51. 

 Pleurostigma, 49 . 

 Pleurostachys, 279. 

 Pleurotus, 51, 54, 63, 67, 



70, 76, 691. 

 Plocamium, 690. 

 Pluchia, 313. 

 Plumbagiuaceae, 341 . 

 Plumbago, 578. 

 Plumeria, 470. 

 Pluteus, 70, 76. 

 Pneumomicosis, 105 . 

 Poa, 217, 281, 282. 

 Podanthe, 247. 

 Podisoma, 57, 80. 

 Podocarpus, 269 . 

 Podophyllum, 126, 145, 164, 



544, 572, 587. 

 Podostemaceae, 231 . 

 Pogouatum, 245 . 

 Poiusettia, 235. 

 Poinciana, 570. 

 Polyblastia, 108, 110. 

 Polvchidium, 108. 

 Polycystis, 47, 48. 

 Polvdesmus, 693. 

 Polygala, 202, 342, 398. 

 Polygalaceae' 342 . 

 Polygouaceae, 342. 

 Polvgonatum, 374 

 Polvgonum. 28, 182, 188, 



343, 517, 628. 

 Polypodiaceae, 255, 256. 

 Polypodium, 253, 254, 255, 

 Polvporus, 51, 52, 53, 54, 



55, 60, 63, 67. 70, 78, 



79, 82, 186, 472, 492, 



535, 691. 

 Polysiphonia, 33, 49. 

 Polystachya, 296 . 

 Polystichum, 256. 

 Polytrichadelphus, 250. 

 Pomaceae, 343. 

 Pontederia, 300. 

 Pontcderiaceae, 300 . 

 Populus, 161, 210, 353, 354, 



502, 503, 516, 655. 

 Poranthera, 697. 

 Poi'otrvchum, 245,248,250. 

 Porphvra, 193. 

 Portulacca, 311, 649. 

 Posidonia, 41 o . 

 Potamo^etou, 290, 368, 372. 



377, "^541. 

 Potentilla, 205, 348, 350, 



374, 394, 397, 398, 403. 

 Pothocites, 453 . 

 Praealstonia, 359 . 

 Prasiola, 71. 

 Pratia, 330. 

 Frenantlies, 313 . 



Primula, 23, 28, 206, 226, 



228, 232, 237, 344, 345, 



383, 408, 477. 485, 514. 



330, 537, 538, 542, 543, 



632. 

 Primulaceae, 28, 344, 345. 

 Prionodon, 245 . 

 Pritchardia, 297, 299. 

 Propolis, 63. 

 Prosopauche, 28. 

 Prosopus, 338, 339. 

 Proteaceae, 28, 345, 032. 

 Protococcus, 34. 

 Protohopea, 359. 

 Protomyces, 65, 75 . 

 Protozoa, 128. 

 Psamma, 375 . 

 Psalliota, 51, 57, 70, 76, 



534. 

 Psathyrella, 71. 

 Psathyra, 51. 67, 70. 

 Pseudoleskea, 240. 

 Pseudopeziza, 34 . 

 Psidium, 334. 

 Psilocybe, 55, 70. 

 Psilomia, 72 . 

 Psilosphaeria, 55, 57. 

 Psora, 114. 

 Psoroma, 109. 

 Psoralea, 340, 570. 

 Psvchotria, 352, 353. 

 Ptelea, 611, 628. 

 Pteris, 253, 256, 257. 

 Pterobryella, 246 . 

 Pterobryum, 251 . 

 Pterocarpus, 138, 140, 184, 



570. 

 Pterocarya, 630. 

 Pterochaeta, 315. 

 Pterogoniella, 245 . 

 Pterogonium, 248. 

 Pterigynandrum, 248.] 

 Pterogoniopsis, 250. 

 Pthychomitrium, 249. 

 Ptilochaeta, 330. 

 Ptvchogaster, 71 . 

 Ptychosperma, 298, 669. 

 1'ucciuia, 50, 53, 55, 61, 62, 



65, 67, 68, 75, 78, 79, 



81, 440. 

 Pugionum, 318, 320. 

 Pulicaria, 315. 

 Pulsatilla, 402. 529. 

 Punica, 137, 138, 188,532, 



572, 582. 

 Puya, 628. 

 Pvcnophyllum, 251. 

 Pygeum," 348 . 

 Pyrenomycetes, 58, 71, 73, 



133. 

 Pvreno-Peziza, 77. 



