512 
Hydnum cirrhatum, 301. 
— diversidens, 307. 
— —, parasitism, 384. 
— Erinaceus, 335. 
— —, gelatinous membranes, 
9. 
— gelatinosum, 301. 
— zonatum, 301. 
Hydrotropism in plasmodia, 
449, 450. 
Hymenial Algae, 400, 401. 
Hymenial gonidia, 417. 
Hymenium, 49, 191, 300. 
Hymenochaete, 303. 
Hymenogaster, 308. 
— —, clamp-connections, z. 
— —, formation of spores, 
63. 
— Klotzschii, 309, 313. 
— —, formation ofspores,63. 
— —, germ-pores, 101. 
Hymenogastreae (Hymeno- 
gastrei), 308, 309, 310, 
313, 337. 
—, conditions of germina- 
tion, 352. 
—, formation of spores, 63. 
—, mycelial strands, 22, 23. 
Hymenomycetes, 286, 287, 
337. 
—, abjection of spores, 73. 
— as forming Lichens, 396, 
414. 
—, capacity of germination, 
343. 
—, compound sporophores, 
48. 
—, ferment-secretions, 355. 
—, formation of spores, 63. 
—, gelatinous membranes, 9, 
12. 
—, glycogen, 6. 
—, growth of compound 
sporophores, 51, 55. 
— —, periodic, 51. 
—, gymnocarpous, 289, 296. 
—, membranes, 12. 
—, mycelial membranes, 21, 
22. 
—, parasitism, 384. 
—, sclerotia, 32. 
—, structure of spores, 106. 
—, veiled, 289, 296. 
Hymenophorum, 300, 
Hypertrophy, 368. 
Hypha (proper name), 29. 
Hypha, 1. 
—, Woronin’s, 199, 218. 
Hyphae, ascogenous, 186, 
208, 214. 
—, cementation, 4. 
—, coalescence, 2. 
—, concrescence, 4. 
Hyphal weft, 3. 
INDEX. 
Hyphasma, 29. 
Hypholoma, 197. 
Hyphomycetes, 251. 
—, abscision of spores, 71. 
—, absence of calcium, 11. 
—, thallus, 1. 
Hypochnus, 287. 
— centrifugus, basidia, 301*. 
— —, gonidial layer, 48. 
— —, sclerotia, 32, 40, 42. 
—, clamp-connections, 2. 
—, mycelial membranes, 22. 
— purpureus, 306. 
Hypocopra, 198, 210, 
— finicola, 210, 224, 261. 
—, structure of spores, 102. 
Hypocrea citrina, number of 
spores, 79. 
—, formation of gonidia, 65. 
— gelatinosa, number of 
spores, 79. 
— lenta, number of spores, 
79. 
— rufa, 253. 
—, number of spores, 79. 
Hypodermii, 184. 
Hypomyces, 245, 249, 254. 
— armeniacus, sclerotia, 41. 
— asterophorus, 336. 
— Baryanus, 336. 
—, capacity of germination, 
345. 
— chrysospermus, 249. 
—, detachment of spores, 68. 
—, formation of gonidia, 65. 
— rosellus, 249. 
— Solani, 246, 249. 
Hyponasty of pilei of Agari- 
cineae, 56, 289. 
Hypothallus, 405. 
Hypothecium, 188. 
Hypoxylon,186,218,244,248, 
— concentricum, discharge 
of spores, 104. 
Hysterangium, 308, 310. 
—clathroides, gelatinous 
membranes, 12. 
— gelatinous membranes, 9. 
Hysterineae (Hysterinei), 
190. 
—, parasitism, 386. 
—, structure of spores,roz. 
Hysterium macrosporum, 
gelatinous membranes, 9. 
— nervisequum, structure of 
spores, 102. 
Tleodictyon, 312. 
Imbricaria caperata, incrus- 
tations, 408. 
— incurva, 
408. 
— saxatilis, 246. 
— sinuosa, 246. 
incrustations, 
Imbricaria soredia, 415. 
— tiliacea, Algae of thallus, 
398%, 
Incipient mycelium, 178. 
Incrustations of Lichens, 
408, 
Inner membrane of spores, 
100. 
Interstitial substance in spo- 
rangium of Mucorini, 75. 
Intralamellar tissue, 301. 
Invertin, 355. 
Involucrum, 289. 
Involution-forms, 458. 
Irpex, 288. 
Isaria, 48, 273. 
— brachiata, branching, 51. 
—, capacity of germination, 
344. 
— farinosa, 255. 
— —, parasitism, 362. 
— strigosa, 253. 
Isidium, 406. 
Kickxella, 156. 
Kneiffia, 287. 
Laboulbenia Baeri, parasi- 
tism, 359. 
— flagellata, 263*. 
— Nebriae, 264. 
— vulgaris, 264. 
Laboulbenieae 
niei), 263. 
—, parasitism, 360, 365, 367, 
370. 
—, thallus, 5. 
Lactarius, 298, 
304. 
— chrysorrhoeus, 298, 301. 
— deliciosus, 298, 303, 304. 
— mitissimus, 298, 302. 
— pallidus, 298. 
—, pseudo-parenchyma, 3. 
— subduleis, 301. 
— —, structure of sporo- 
phore, 299*. 
Lagenidium, 139. 
Lamellae, 288. 
Lamia culicis, 159. 
Lamina proligera, 187. 
Lamina sporigera, 187. 
Lateral branches in Sapro- 
legnieae, 141. 
Laticiferous tubes, 299. 
Laudatea, structure of 
thallus, 414. 
Layer (stroma, receptacu- 
lum), 48. 
Lecanactis illecebrosa, Al- 
gae of thallus, 398*. 
—-—, structure of thallus, 
qıı. 
Lecanora, 223. 
(Laboulbe- 
299, 301, 
