Lecanora pallida, develop- 
ment of spores, 78. 
— —, thallus, 400, 402, 405. 
— subfusca, apothecium, 
190*, 
— Villarsii, structure of 
thallus, 405. 
Lecidea, 223. 
— confervoides, structure of 
thallus, 405. 
— enteroleuca, structure of 
thallus, 405. 
— formosa, 222. 
— geographica, structure of 
thallus, 405. 
— parasema, 
thallus, 405. 
— sabuletorum, 245. 
Lecidella enteroleuca, de- 
velopment of spores, 78. 
——,growth of thallus, 
404*. 
Lempholemma, structure of 
thallus, 412. 
Lenzites, 288, 301. 
— betulina, membranes, 12. 
—, growth of compound 
sporophores, 57. 
Leocarpus vernicosus, 424, 
434. 
Leotia, 189. 
— lubrica, development of 
spores, 78. 
Lepiota procera, 297. 
Leptochrysomyxa, 283. 
— Abietis, 338. 
—, capacity of germination, 
345. 
Leptogium, 198. 
—, structure of thallus, 412, 
structure of 
413. 
Leptomitus brachynema,1 44. 
— lacteus, 144. 
—, formation of spores, 74. 
Leptopuccinia, 283, 344. 
— annularis, 283. 
—, capacity of germination, 
344, 348. 
— Circaeae, 283. 
— Dianthi, 284. 
— —, parasitism, 361, 362. 
— Malvacearum, 284. 
— Veronicae, 283. 
Leptopuccinieae (Leptopuc- 
ciniei), 283, 338. 
Leptosphaeria Doliolum, 
247. 
Leptothrix, 458, 459. 
— buccalis, 456, 472. 
Leptothyrium, 252. 
Lesions in spores, effect on 
capacity of germination, 
346. 
Leucochytrium, 167. 
[4] 
INDEX. 
Leuconostoc mesenterioides, 
457, 469. 
Libertella, 252. 
Licea, 435, 436. 
— flexuosa, 434, 435, 441. 
— pannorum, 423, 441. 
— Serpula, 441. 
Lichen-acids, 10, 408. 
Lichen-fungi, 188, 224, 242. 
—, conditions of germina- 
tion, 350. 
—, ejection of spores, 93. 
—, gelatinous membranes, 9. 
—, mode of life, 395. 
—, parasitism, 360, 366, 367, 
386. 
—, resistance of spores, 346. 
—, swelling of membrane, 9. 
Lichen-sporocarps, 222. 
Lichen-starch, 10, 408. 
Lichen-thallus, 59. 
—, chemical constitution, 407. 
—, crustaceous, 401. 
—, epiphloeodic, 402. 
—, foliaceous, 401. 
—, fruticose, 401. 
—, growth, 4or. 
—, heteromerous, 402. 
—, homoiomerous, 402. 
—, hypophloeodic, 402. 
—, mode of origination, 398. 
—, subcortical, 402. 
—, structure, 401. 
Lichens, 396. 
—, cell-membranes, 8. 
—, colouring matter, 408. 
—, ejection of spores, 87. 
—, historical remarks, 416. 
—, hyphal weft, 3. 
—, number of spores, 79. 
—, pseudo-parenchyma, 3. 
—, swelling of membrane, 9. 
—, thallus, 1. 
—, true, 402. 
Lichenaceae 
402, 
Lichenin, 10, 407. 
Lichenosphaeria, structure 
of thallus, 412. 
Lichina, discharge of spores, 
96. 
—, structure of thallus, 410. 
Lichinic acid, 408. 
Lignification of membranes, 9. 
Lindbladia, 431. 
Lipoxeny (desertion of host), 
(Lichenacei), 
3838, 
Long rods (Bacilli), 458. 
Loss of capacity in sporo- 
phores of Ascomycetes, 
254. 
Lycogala, 423, 427, 431, 440, 
452. 
— epidendron, 440, 441. 
Ll 
513 
Lycoperdaceae (Lycoper- 
dacei), 308, 310, 311, 313, 
337. 
—, experiments in germina- 
tion, 352. 
—, mycelial strands, 22, 23. 
—, pseudo-parenchyma, 3. 
Lycoperdon, 11, 308, 309, 
310, 314, 315. 
—, abjunction of spores, 64. 
— Bovista, 314. 
— giganteum, 314. 
— perlatum, 316, 
—, pits, 13. 
— pyriforme, formation of 
spores, 63*. 
Lyngbya in Lichen-thallus, 
398. 
Lysurus, 325. 
Macrococci, 458. 
Macrogonidia, 225. 
Macrosporium, 252. 
— Sarcinula, 229. 
Madura-disease, 379. 
Main series of Fungi, 120. 
Malignant oedema, 486. 
Mallotium  Hildebrandtii, 
structure of thallus, 413*. 
—, structure of thallus, 412, 
413. 
Marginal veil (in Hymeno- 
mycetes), 290. 
Martensella, 156. 
Massaria, 192. 
— Platani, 258. 
—, structure of spores, 102. 
Mechanism for abjection of 
cells, 72, 85. 
Medulla (Medullary layer) 
of Lichen-thallus, 403, 
—of compound sporo- 
phores, 58. 
Megalogonidia, 225. 
Megalospora affinis, calcium 
oxalate, 409. 
— —, germination, 112*. 
—, number of spores, 79. 
— sanguinea, calcium oxa- 
late, 409. 
Melampsora, 281. 
— Göppertiana, parasitism, 
388, 390, 391. 
— populina, 280, 282. 
— salicina, 282. 
Melanconis, 
114. 
—, structure of spores, 102, 
Melanconium, 252. 
—, spores, 68. 
Melanogaster, 309, 310. 
—, gelatinous membranes, 9, 
13. 
Melanospora, 191, 192. 
germination, 
