INDEX. 



>99 



Polyporus sanguineus, 251, 362. 



tuberaster, 257, 288, 3(34. 



versicolor, 362. 



xanthopus, 362. 



Polysaccum, 342. 

 Polysiplionia, 200. 



urceolata, 206. 



Polystichum vestitum, 509, 513, 534_ 



Lonchitis, 517. 



Polytrenia, 531. 

 Polytrichum aloides, 489. 



ciliatum, 489. 



dendroides, 489. 



giganteum, 489. 



juniperinum, 489. 



tortile, 489. 



Polyzonia cuneifolia, 201. 

 Porodothion, 394. 

 Poronia punctata, 441. 

 Poropterides, 523. 

 Porothelium, 357, 361. 

 Porpbyra, 164. 



Boryana, 111. 



vulgaris, 206. 



Porpbyroglossum, 191. 

 Potato Murrain, 65. 

 Pottia flavipes, 481. 



Heimii, 481. 



Leprieurii, 481. 



truncata, 480. 



Prangos ferulacea, 60. 

 Prasiola, 163. 



Presl, arrangement of ferns, 521. 

 Preuss, on Papulsespora, 309. 

 Priestley's green mattei-, 97. 

 Pringsheim, impregnation of Algse, 

 10, 107. 



on Zygnema, 153. 



Propolis, 291. 



Prosaptia, 534, 544. 

 Prothallus, 11. 



supposed of Conifers, 50. 



Protococcus, 75. 



cnientus, 115. 



pluvialis, 10, 92. 



nivalis, 115 



Protopbyta, 71. 

 Psicbobormium, 1G4. 



Pseudocotyledoneffi, 421 . 



Psilotum, 360. 



Psora, 415. 



Pterisaquilina, 67, 510,514,519,536. 



esculenta, 519. 



Pterocladia, 191. 

 Ptei-ogonium hirtellum, 504. 

 Pterogramma, 530. 

 Pteropsis, 530. 

 Ptemla, 314. 

 Ptilidiiim ciliare, 455. 

 Ptilota, 17. 

 Ptyebomitrium, 485. 

 Puccinia Amorpbse, 325. 



incarcerata, 30, 



graminis, 316, 324, 326. 



• lateripes, 325. 



macropus, 325. 



Punctaria, 215. 

 Pycnidia, 331. 

 Pyrenastrum, 394. 

 Pyrenotbeje, 390. 

 Pyxinei, 403. 



Quekett, Treatise on Microscope, 

 420. 



E 



Racomitrium lamiginosum, 484. 



Radula complanata, 455. 



Radulum, 361, 



Rafflesia, 6. 



Rafflesiacese, 32. 



Ragiopteris, 542. 



Ralfs, on Desmidiacefe, 119. 



transmission of Algse, 105. 



Ralfsia, 213. 

 Ramalina calicaris, 417. 



farinacea, 380. 



poljTnorpba, 417. 



scopulorum, 417. 



Ravenelia, 316, 223. 



glandula'formis, 305. 



