INDEX. 



5*5 



Mystrosporium, 229, 252. 

 Myxamoebae, 423. 

 Myxastrum radians, 447. 

 Myxocyclus, 252. 



— confluens, structure of 

 spores, 102. 



Myxogasteres, 421. 

 Myxomycetes, 421, 475. 

 — , affinities, 442. 

 Myzocytium globosum, 139. 



Naemaspora, 252. 

 Naetrocyrnbe, 416. 

 Neck in perithecia, 191. 

 Nectria, 200, 215,221, 239, 

 245. 



— cinnabarina, 244, 246. 

 , parasitism, 362, 383. 



 — cucurbitula, parasitism, 



383. 



— development of spores, 



78. 

 — , discharge of spores, 97. 



— ditissima, 228. 

 , parasitism, 383. 



— , germination, 114, 115. 



— inaurata, 114, 115. 



— Lamyi, germination, 115. 



— Solani, 246. 



, abscision of gonidia, 



Nephroma arcticum, Algae of 



thallus, 409. 

 — , structure of thallus, 406. 

 Nephromium, Algae of 



thallus, 409. 

 New formation of members 



caused by Fungi, 368. 

 Nidularia, 311, 320. 

 Nidularieae (Nidulariei), 308, 



312; 3i9> 332. 

 — , gelatinous membranes, 



13. 

 — , mycelial strands, 22, 23. 

 Nosema Bombycis, 488. 

 Nostoc in Lichen-thallus, 



397*, 398. 

 Nostocaceae, 475. 



— in Lichen-thallus, 398. 

 Nucleariae, 447. 

 Nuclei in spores, io6„ 

 Nuclein, 6. 



Nucleus in perithecia, 193. 

 Nummularia, 218. 

 — , discharge of spores, 97. 

 Nutritive adaptation, 356. 

 Nyctalis, 297, 334, 341. 

 —  asterophora, 335, 341. 



, compound sporo- 



phores, 335*. 



— mycrophylla, 336. 



— parasitica, 336. 



, development of sporo- 



phore, 55. 



Obeiidium, 164. 



Obryzum, structure of 

 thallus, 412. 



Ochrolechia pallescens, cal- 

 cium oxalate, 409. 



, germination, 112. 



, structure of thallus, 



405. 



— tartarea, calcium oxalate, 

 408. 



Octaviania, 308. 



— asterosperma, compound 

 sporophores, 308*. 



, hymenium, 309*. 



— carnea, 309, 313. 



, formation of spores, 



63*. 

 — , structure of spores, 1 00. 

 Oedema, malignant, 486. 

 Oidium, 238, 252. 



— albicans, parasitism, 377. 



— aurantiacum, resistance 

 of spores, 347. 



— erysiphoides, 252. 



— fructigenum, 252. 



— lactis, 252, 253, 377. 



, cell-nucleus, 6. 



, formation of spores, 



67. 



— leucoconium, 252. 



— Tuckeri, 225. 



— , parasitism, 387. 



Oil-drops in spores, 106. 

 Olpidieae (Olpidiei), 166, 167, 



168, 169, 170. 

 Olpidiopsis, 444. 



— fusiformis, 166. 

 — , parasitism, 393. 



— Saprolegniae, i 6 r , 166. 

 Omphalaria, structure of 



thallus, 413. 

 Omphalarieae (Omphalariei), 



structure of thallus, 413. 

 Omphalia, 297. 

 Onygena, 193. 



— corvina, 196. 



, conditions of germina- 

 tion, 351. 

 — , discharge of spores, 97. 



— equina, 197. 



— faginea, 335. 

 Oogonia, 120, 133. 

 Oosphere, 120, 133. 

 Oospores, 129, 232. 



— , capacity of germination, 



:>43- 

 — , resting state, 344, 345. 

 Opegrapha filicina, 397. 

 , structure of thallus, 



411. 

  — plocina, structure of 



thallus, 411. 



— saxatilis, structure of 

 thallus, 411. 



L 1 2 



Opegrapha varia, 246. 



, structure of thallus, 



411. 



— vulgata, 246. 

 Ophidomonas, 472. 

 Organs, functionless in As- 



comycetes, 256. 



— of attachment, 45. 



— of propagation, 124. 

 Ostiole of perithecium, 191. 

 Otomycosis aspergillina, 369. 

 Outer envelope of ascocarp, 



188. 

 Oxygen as a condition of 



germination, 349. 

 Ozonium, 29. 



Palmellaceae in Lichen- 

 thallus, 397. 

 Palmellae-forms in Bacteria, 



459- 

 Panhistophyton, 488. 



Pannaria, 223. 



— , structure of thallus, 410. 



Panus stypticus, structure of 



sporophore, 58. 

 , gelatinous membrane, 



i3- 



Papulospora, 2. 



Paraphyses, 48, 76, 187, 192, 

 286, .302. 



— envelope, 275. 

 Parasites, 356, 358, 481. 

 — , autoecious, 387. 



— , autoxenous, 387. 

 — , facultative, 356, 369. 

 — , inhabiting animals, 369. 

 — , inhabiting plants, 379. 

 — , metaxenous, 387. 

 — , metoecious, 387. 

 — , obligate, 356. 



— which change their host, 

 387. 



Parmelia, Algae of thallus, 

 409. 



— pulverulenta, 222. 

 — , soredia, 415. 



—  stellaris, 222. 



— , structure of thallus, 406. 



Paulia, discharge of spo es, 



97- 

 — , structure of thallus, 413. 

 Paxillus, 297. 

 Pebrine, 488. 

 Peccania, structure of 



thallus, 413. 

 Pellicula (cutis), 58. 

 Peltigera, 240. 

 — , Algae of thallus, 409. 



— aphthosa, structure of 

 thallus, 406. 



— canina, structure of 

 thallus, 406. 



— , incrustations, 408. 



