612 



INDEX. 



Perisporiales, 95, 116, 



118, 119. 

 Peristome, 195. 

 Perithecia, 125. 

 Periwinkle, 513, 544. 

 Perizonium, 20. 

 Pernambuco-tree, 468. 

 Peronocarpic ascocarps, 



125. 

 Peronospora, 101, 104, 



105 107. 



PeronosporaceaB, 104. 

 Persea, 393 

 Persica, 461. 



Personals, 505, 515, 517. 

 Pertusaria, 140, 142. 

 Petals, 235. 



Petasites, 153, 569, 571. 

 Petiveria, 372. 

 Petrocelis, 84. 

 Petunia, 518, 521. 

 Peucedanese, 496. 

 Peucedarmm. 496. 

 Peyssonellia,'84. 

 Peziza, 115, 135, 159. 

 Pezizaceas, 135. 

 Pezizales, 134. 

 Phacelia, 515. 

 Phacidiales, 133. 

 Phacidium. 133. 

 Phacotus, 48. 

 Phseophyceie, 1, 14, 68. 

 Phffiophyl, 68. 

 Pbseosporese, 68. 

 Phseothamnion, 54. 

 Phagocytes, 41. 

 Phajus,' 332. 

 Phalaridea3, 295. 

 Phalaris, 2!)o. 

 Pha>]acese, 172. 

 Phalloideffi, 96, 145, 172. 

 Phallus, 172, 173. 

 Phanerogams, 3, 234, 



236, 249. 

 Pharbitis, 516. 

 Pharus, 291, 293. 

 Phascum, 195. 

 Phaseoleae, 470. 

 Phaseolus, 134, 469, 471, 



473. 



Phegopteris, 213, 214. 

 Phellodendron, 437. 

 Philadephu*, 451, 455. 

 Phillyrea. 547. 

 Philodendron, 303, 305. 

 Philonotis, 197. 

 Phlebia, 163. 

 Phleum, 290, 294, 296. 

 Phloem, 251. 

 Phloeospora, 70. 

 Phlomis, 538, 541. 



Phlox, 515, 



Phoeniceaa, 299. 



Phoenix, 298, 299, 301, 



302. 



Pholiota, 171. 

 Phormium, 312 ; 313, 314. 

 Phragmidium, 146, 147, 



148, 151, 152. 

 Phragmites, 113, 131, 291, 



294. 



Phragmonema, 22, 25. 

 Phrynium, 327. 

 Phycocyan, 22, 77. 

 Phycoerythrin, 22, 77. 

 Phycomyces, 99. 

 Phycomycetes, 1, 5, 95, 



96. 



Phycophffiin, 69. 

 Phycopyrrin, 16. 

 Phycoxanthin, 69. 

 Phylica, 448. 

 Phyllachora, 131. 

 Pbyllactinia, 122. 

 Phyllactis, 560. 

 Phyllanthus, 431, 432. 

 Phyllitis, 70. 

 Phyllobium, 47, 51. 

 Phyllocactus, 377. 

 Phyllocladus. 260. 

 Phyllodia, 474. 

 Phyllodoce, 509. 

 Phylloglossum, 228. 

 Phyllophora. 83. 

 Phyllosiphou, 8. 

 PhyllosiphonaceaB, 47, 61. 

 Physalis. 521. 

 Pbysarutn, 6, 8. 

 Physcia. 139, 143. 

 Physcomitrium, 188, 197- 

 Physiological varieties, 41. 

 Physoderma, 103. 

 Physostigma, 471, 473. 

 Phytelepbantinae, 301. 

 Phytelephas, 299, 301, 



302. 



Phyteurna, 562. 

 PhytoamcebaB, 10, 61. 

 Phytolacca, 372. 

 Phytolaccacese, 372. 

 Phytomyxa, b. 

 Phytophtbora, 101, 104, 



105, 106. 

 Piassava, 297. 

 Picea. 124, 129, 132, 155, 



165, 265. 

 Pichuriin, 392. 

 Picraena, 438. 

 Picris. 571. 

 Picrotoxine, 390. 

 Pilacracese, 157. 

 Pilacre, 157. 



Pilea, 353. 

 Pilobolus, 99, 100. 

 Pilostyles. 504. 

 Pilularia, 216, 220. 

 Pimelea, 449 

 Pimenta, 489. 

 Pimento, 489. 

 Pimpernel, 513. 

 Pimpinell, 498. 

 Pimpinella, 494, 498. 

 Pine, 127, 153, 161, 165, 



255, 263, 266. 

 Pine-apple, 320. 

 Pine-shoot Fuugus, 152. 

 Pinellia, 305. 

 Pinguicula, 334, 528. 

 Pink, 367. 

 Pin-mould, 99. 

 Pinnularia, 19. 

 Pinus, 129, 132, 153, 155, 



165, 264, 265, 266, 



267, 272. 

 Pinoideffi. 256, 258, 259, 



262. 



Pipe-flower, 500. 

 Piper, 361, 363. 

 Piperaceae, 361. 

 Pipere, 361. 

 Piptocephalidacere, 100. 

 Piptocephalis, 100. 

 Pircunia, 372. 

 Pisonia, 374. 

 Pistia, 306. 

 Pistacia, 439. 

 Pistil, 239. 

 Pistillaria, 161. 

 Pistillate, 236. 

 Pisum, 469, 470, 473. 

 Pitcairnia, 320. 

 Pitcher-plant, 409. 

 Pittosporacese. 451, 455. 

 I ittosporum, 455. 

 Placenta, 237, 241. 

 Placochromaticaa. 21. 

 Plagiochila, 189, 192. 

 Plagiothecium, 197. 

 Plagiotropidea?, 21. 

 Planera, 351. 

 " Plankton," 15, 17, 20. 

 Planogametes, 12. 

 Plantago. 335, 530, 531, 



536. 559. 



Plantaginacese, 518, 530. 

 Plantain, 530. 

 Plasmodia, 4, 5, 7. 

 Plasmodiophora, 8. 

 Plasmodiophorales, 6. 

 Platanacese, 455. 

 Platanus, 456. 

 Platanthera, 332, 333. 

 Plate-cultures, 33. 



