F- * 



Generic Index 



657 



Oxalis^ 24, 490, 501. 

 0<ydectes, 48S. 

 O<ydendron, 495. 

 Oxytropsis, 48S. 



UAEONIA, 12, 28. 



•*■ Pachylophus, 128, 129. 



Taliurus, 491. 



Pandaniis, 617, 618, 620. 



ranicum, 16, 17, 304, 305, 306, 310, 311, 



494? 5^8-580. 

 Papaya, 488. 

 Parnassia, 594, 595. 

 Paronychia, 236, 237. 

 Patagonica, 490, 

 Parthenocissus, 144. 

 Patagonula, 490. 

 Pavia, 488. 

 Pedicularis, 143. 

 PelagopbycuSj 274-277, 

 Pelargonium, 489. 

 Pellaea, 308, 596, 597, 598. 

 Peucedanum, 130. 



Penicillium,'466, 467, 469, 474, 476, 478. 

 Pentstemon, 242, 308, 309, 354, 355, 59I. 



Peramiiiin, 5^^- 

 Periclymenuun, 491. 

 Perisporium, 439, 444. 



Peronospora, 18, 382, 387. 



Petridoria, 482. 



Petalostenion, 592, 593. 



Peziza, 633. 



Phacelia, 132, 141, 145, 242. 



Phaneropliebia, 205-216, 263. 



Pharbites, 151. 



Phaseolus, in, II4, 115, Ii6, 117. 



Philadelphiis, 143, 595. 



Phlox, 13, 314, 490. 



Phragmites, 500. 



Phyllachora, 442, 633. 



Phyllactinia, 140, I43, 187, 594, 595. 

 Phyllanthus, 490. 

 Physalis, 1 19, 196, I97. 

 Physalospora, 384, 

 Physaruni, 320, 321, 324. 

 Phytophthora, 20, 383, 384, 387, 38S. 

 Piricularia, iS. 

 Pistacia, 490. 

 Pisum, 187. 

 Planera, 79. 

 Plantago, 310, 311. 

 Plasmodiophora, 72, 73. 

 Plasmopora, 382, 384. 

 Pleospora, 432, 436,438, 443. 

 Poa, 142, 432, 433, 435, 437. 

 Pocosphaeria, 439, 444, 

 Podocarpus, 527-529. 

 Podophyllum, 103. 

 Podosphaera, 143, 595- 

 Podostemma, 424. 

 Poecilochroma, 199. 

 Pogonia, 25. 



632. 



Polemonium, 251, 353, 354. 



Populus, 144. 



Polamopithys, 488. 



Potcntilla, 23, 25, 256, 480, 542. 



Polygonum, 17, 139, 141, 309, 503. 



Polygonatum, 490, 49 1. 



Polypodium, 205, 207, 209, 210, 211, 



316, 317. 

 Polyporus, 69. 

 Polystichum, 205. 

 Prahavema, 391, 

 Prunus, 118, 143, 502. 

 Psathyra, 68. 

 Pseudomonas, 77* 

 PsidluHi, 490. 

 Psilocarya, 304, 305, 493. 



Psilocybe, 68. 

 Psoralea, 14, 249. 

 Ptarmica, 365, 367, 368. 

 Ptelea, 313. 

 Pteris, 319. 



Pterospora, 527- 



Puccinia, 13, 17, 253,381, 382, 386, 



Purpusia, 542. 



Pyrenophora, 440, 444. 



Pyrus, 373. 374- 



QUAMASIA, 547. 

 Quamoclita, 151. 

 Qucrcus, 144, 495, 503. 



p ANUNCULUS, 142, 350. 



•^^ Ramularia, 382. 



Raphanistrum, 49I* 



Rapisteum, 491. 



Rapuntrium, 491. 



Reseda, 309. 



Rhagadiolus, 49 1. 



Rhus, 490. 



Rhynchosia, 106, 108, 1 16. 



Rhynchostegium, 79, 80. 



Ribes, 143. 



Rosa, 143. 



Roulinia, 425. 



Rubus, 24. 



Rudbeckia, I4I. 



Rumex, 45, 48, 49. . 



Ru])pia, 122. 



Rynchospora, 304, 494. 



CABAL, 495- 



^ Saccorhiza, 280, 291, 292. 



Saccellium, 147. 



Sagiltaria, 6. 



Salicornia, 122. 



Salix, 144. 



Salpichroa, 199. 



Salsola, 434, 436-438, 441. 

 Saracha, 197. 



Sarracenia, 501. 

 Saxifraga, 382-392. 

 Scirpus, 5, 308. 



