CLASSIFICATION AND NOMENCLATURE. 



799 



Petunia, 509 (Fig.324),649. 

 Peucedaneaa, 626. 

 Peucedanum, 626. 

 Peyssonnelia, 272. 

 Peziza, 299, 303 (Fig. 213). 

 Pezizaceee, 303 (Fig. 213). 

 Phacidiese, 303. 

 Phacotus, 237. 

 Pheeogaroae, 257,262. 

 Pheeopbycese, 221, 255. 

 Pheeophila, 248. 

 Phseosporeee, 257, 258. 

 Pbajiinffl, 564. 

 Phalarideae, 548. 

 Pbalaris, 548. 

 Phalloideaa, 313, 319. 

 Phallus, 319 (Fig. 225). 

 Pbanerogamia, 217, 431. 

 Phascacea9, 3(58. 

 Phascum, 330, 368. 

 Phaseoleaj, 637. 

 Pbaseolus, 637. 

 Pheasant's Eye, 592. 

 Pheasant's Eye Narcissus, 



568. 



Phegopteris, 405. 

 Philadelpbeae. 6*9. 

 Philadelphus, 506, 639. 

 Pbillyrea, 652. 

 Philodeudroidese, 540. 

 Phlebia, 313. 

 Phleum, 548. 

 Phlox, 648. 

 Phoenix, 534 (Fig. 345), 



543, 544 (Fig. 352). 

 Pholiota, 313. 

 Phormiutu, 558. 

 Photinia, 635. 

 Phragmicoma, 347, 352. 

 PhraKmidiopsis, 307. 

 Pbragmidium, 307. 

 Phragmites, 549. 

 Pbucagrostis, 553. 

 Phycoehromaceffi, 221,231. 

 Phycomyces, 289. 

 Phycomycetes, 275, 280, 



285. 



Phyllantbeaa, 621. 

 Phyllanthus, 622. 

 Phylliscium, 321. 

 Phyllitis, 257, *62. 

 Phyllobium, 236. 

 Phyllocactus, 629. 

 Phyllocladus, 463, 487. 

 Phyllodoce, 655. 

 Pbyllog ossum, 421. 

 Phyllophora, 272. 

 Phyllosiphoi,, 238, 240. 

 Phyllosiphonese, 240. 

 Pbyllospadix, 553. 

 Physalis, 649. 

 V. S. B 



Pbyscia, 321. 

 Physcomitrella, 368. 

 Pbyscomitrellacea3, 368. 

 Physcomitrium, 370. 

 Physoderma, 310. 

 Physoschoenus, 553. 

 Physospermum, 626. 

 Physostigma, 637. 

 Physurea3, 567. 

 Pbytelephantinaa, 544. 

 Phytelephas, 544. 

 Pbyteuma, 657. 

 Phytolacca, 587 (Fig. 393). 

 Phytolaccace, 513, 573, 



587. 

 Phytophthora. 291 (Figs. 



201, 202, 203), 292. 

 Phytophysa, 240. 

 Picea. 472 (Fig. 298), 473 



(Fig. 299), 476 (Fig. 



301), 484. 

 Picris, 665. 

 Pilacre, 315. 

 Pilacreae, 312, 315. 

 Pilobolus, 289. 

 Pilostyles, 589. 

 Pilularia, 406, 410, 415. 

 Pimpernel, 653. 

 Pimpinella, 625. 

 Pinaster, 485. 

 Pine, 485. 

 Pinea, 485. 



Pine-apple, 561 (Fig. 365). 

 Pinguicula, 647. 

 Pink, 599. 



Pinnularia, 258 (Fig. 184). 

 Pinoidese, 483. 

 Pinus, 468 (Fig. 297), 475 



(Fig. 300), 482 (Fig. 



304), 485. 

 Piper, 526, 576. 

 Piperacese, 573, 576. 

 Piperales, 573, 576. 

 Piptocephalidese, 287. 

 Piptocephalis, 289. 

 Pistacia, 618. 

 Pistachio-Kernel, 618. 

 Pistia, 541. 

 Pistillaria, 315. 

 Pistioideffi, 541. 

 Pisum, 637. 

 Pithophora, 241. 

 Pittosporacese, 574, 640. 

 Pittosporum, 641. 

 Plagiochasma, 336, 342. 

 Plagiochila,346 (Fig. 244), 



352. 



Plane, 638. 



Planoblastro, 291, 292. 

 Plantaginaceffi, 575, 645. 

 Plantago, 646 (Fig. 446). 



Plantain, 562, 646. 

 Plasmodiophoreee, 285. 

 Plataimceas, 574, 638. 

 Platanus, 638 (Fig. 438). 

 Platycerium, 389, 405. 

 Platycodon, 657. 

 Platyphylleae, 352. 

 Pleospora, 276, 278, 301. 

 Pleuridium, 368. 

 Pleurocarpee, 371. 

 Pleurocladia, 262. 

 Pleurococcaceas, 236. 

 Pleurococcus, 236 (Fig. 



166). 



Pleurorhizeee, 604. 

 Plocamium, 267, 272. 

 Plumbagiuacese, 575, 654. 

 Plumbago, 654. 

 Plume-thistle, 664. 

 Poa, 549. 

 Podalyrieffi, 636. 

 Podocarpe, 469, 487. 

 Podocarpus, 465, 487. 

 Podophyllum, 595. 

 Podosphffira, 298. 

 Podostemaceae, 574, 641. 

 Pogonatum, 370. 

 Pogoniris, 569. 

 Pogostemon, 642. 

 Poinsettia, 493. 622. 

 Poletaoniacese, 575, 648. 

 Polemoniales, 575, 647. - 

 Polemonium, 648. 

 Polybotrya, 390, 405. 

 Polycarpeae, 600. 

 Polycarpon, 600. 

 Polychidium, 321. 

 Polygala, 617 (Fig. 419) 

 Polygalaceaj, 520, 574, 61 1 . 

 Polygonace, 501, 573, 



597. 



Polygonatum, 558. 

 Polygonum. 489,500,597 



(Fig. 402). 

 Polyides, 272. 

 Polypetalffi, 573, 591. 

 Polyphagus, 286. 

 Polypodiaceas, 379, 381, 



391, 404. 



Polypodies, 391, 405. 

 Polypodium, 388, 389 (Fig. 



257), 400 (Fig. 267), 



405. 



Polyporese, 312, 316. 

 Polyporus, 313, 316 (Fig. 



221). 



Polysaccum, 318. 

 Polysipbonia, 224 (Fig. 



161), 268, 272. 

 Polystigma, 296, bOl. 

 Polytrichaceae, 357, 370. 

 3 F 



