hirtus Linn. [Lichen) 203
hispida Mudd (Borrera) 311
hispidula Aoh. (Gornicularia) 29
hispidula Nyl. (Epheheia) 29
hispidulum Gray (Phacotium) 88
hispidum majus, etc. Dill. (Lichenoides)
302
hispidum minus, etc. Dill. (Lichenoides)
311, 312
hispidus Lightf. (Lichen) 218
Hoffmanni Ach. (Lichen) 475
Hoffmanni Gray (Urceolaria) 475
Holliana A. L. Sm. (Microglæna) ii.
310
holocarpa Nyl. (Lecanora) 385
holocarpus Ehrh. (Lichen) 385
holochrodes Nyl. (Vei-rucaria) ii. 333
holomelæna Eloerke (Lecidea) ii. 162
holomeloides Nyl. (Lecidea) ii. 130
holophæa Nyl. (Lecanora) 392
holophæa Mont, (Psoroma) 392
homalotropa A. L. Sm. (Oonotrema)
ii. 2
homalotropa Nyl. (Lecidea) ii. 2
HOMUDIUM Nyl. 63
homoeopsis Nyl. (Pyrenopsis) 25
Hookeri Massal. (Dacampia) ii. 273
Hookeri Tuck. (Cladonia) 164
Hookeri Hook. (Lecanora) 339
Hookeri Schær. (Lecidea) ii. 273
Hookeri E. Bot. t. 2283 (Lichen) 339
Hookeri Nyl. (Pannaria) 339
Hookeri Borr. (Verrucaria) ii. 273
horistica Leight. (Verrucaria) ii. 243
horizontalis Linn. (Lichen) 293
horizontalis Gray (Peltidea) 293
horizontalis Hoffm. (Peltigera) 293
horrescens Tayl. (Parmelia) 241
humicolor A. L. Sm. (Porina) ii. 333
humicolor Nyl. (Verrucaria) ii. 333
humosa Leight. (Lecidea) ii. 31
humosum Nyl. (Leptogium) 64
humosus Ehrh. (Lichen) ii. 31
Hutohinsia Nyl. (Lecanora) 445
Hutchinsiæ Koerb. (Enterog.) ii. 259
Hutchinsiæ Leight. (Pertusaria) 493
Hutchinsiæ Leight. (Platygramma)
ii. 259
Hutchinsiæ Nyl. (Stigmatidium) ii.
259
Hutchinsiæ Borr. (Thelotrema) 493
hyaliuella Nyl. (Coniocybe) 101
hyalinescens Boist. (Bilimbia) ii. 1,39
hyalinescens Nyl. (Lecidea) ii. 139
hybrida Hoffm. (Cladonia) 141
hydrela Ach. (Verrucaria) ii. 280
hijdrocharum Aoh. (Parmelia) 60
hymenea Gray (Porina) 505
hymenina Ach. (Peltidea) 292
hymeniumTnrn. &Borr. (Thelotr.) 505
hymenius B. Bot. t. 1731 (Lichen) 505
HYMENGDEGTGN Leight. ii. 252
hymenogonia Mudd (Sphæromphalc)
ii. 311
hymenogonia A. Zahlbr. (Staurothele)
ii. 310
hymenogonia Nyl. (Verrucaria) ii, 311
hyperborea Aob. (Gyrophora) 330
hyperborea Gvonib. (Umbilicaria) 330
hyperboreus Ach. (Lichen) 330
hyperellum Ach. (Calicium) 91
hyperellum Gray (Phacotium) 91
hyperellus Ach. (Lichen) 91
hypergenum Nyl. (Collema) 52
hyperopia Mudd (Parmelia) 263
hypnophila Turn. (Lecidea) ii. 142
hypnorum Ach. (Lecanora) 349
hyprwrum Dicks,. (Lichen) 350
hypnorum Mudd (Pannaria) 350
hypnorum Hoffm. (Psoroma) 350
hypnorum Sm. (Squamaria) 350
hypophæa Nyl. (Lecanora) 489
hypopodioides Nyl. (Lecidea) ii. 174
hysteriiformis Nyl. (Gpegr.) ii. 236
ICMADGPHILA Trevis. 112
icmadopjhila Ehrh. (Lichen) 113
icmadophila Gray (Lecidea) 113
icmadophilus Oromb. (Bæomyces) 113
ictérica Tayl. (Lecidea) 375
ilieina Tayl. (Arthonia) ii. 213
ilicinella Nyl. (Arthonia) ii. 213
illecebrosa Er. (Lecanactis) ii. 203
illecebrosa Duf. (Cpegraplia) ii. 203
illita Nyl. (Lecidea) ii. 81
imbricatum luridum Dill. (Lichenoides)
ii. 269
imhricatum viridans, etc. Dill.
(Lichenoides) 247, 248
imbrida Tayl. (Verrucaria) ii. 279
immersa Aob. (Lecidea) ii. 39
immersa Hoffm. (Verrucaria) ii. 295
immersa Leight. (Verrucaria) ii. 297
immersum Mudd (Thelidium) ii, 297
•mmersus Web. (Lichen) ii. 40
mperforatum etc. (Ooralloides) 180
mpexa Harm. (Cladina) ii. 351
mplexa Nyl. (Alectoria) 213
mplexa HoSm.. (Usnea) 213
impolita Borr. (Arthonia) ii. 214
impolita Hoffm. (Verrucaria) ii. 214
mpolitus Ehrh. (Lichen) ii. 214
mponens Leight, (Lecidea) ii. 104
mpressula A. L. Sm. (Buellia) ii.
175
impressula Leight. (Lecidea) ii. 175
improvisa Nyl. (Lecidea) ii. 108
inalpina Aoh. (Lecanora) 874
incana A. L. Sm. (Bombyliospora)
ii. 198
incanics Ach. (Lichen) ii. 198
incanus Relh. (Lichen) ii. 166
incarnata Leight. (Pertusaria) 461
incavata Leight. (Verrucaria) ii. 299
incavatum Mudd (Thelidium) ii. 299
inclusus E. Bot. t. 678 (Lichen) 514
incompta Anzi (Bacidia) ii. 159
incompta Borr. (Lecidea) ii. 159
incrassata Floerke (Cladonia) 163
incrustans Ach. (Cyphelium) ii. 203
incrustans Ach. (Lecanora) 372
incrustans DC. (Patellaria) 388
incurva Fr. (Parmelia) 249
incitrvus E. Bot. 1.1375 (Lichen)
249
incurvus Pers. (Lichen) 250
indigula Nyl. (Lecidea) ii. 47
infidula Nyl. (Lecidea) ii. 98
INODERMA S. F. Gray ii. 306
inquinane E. Bot. t. 810 (Lichen)
102
inquinata Fr. (Pertusaria) 508
inserena Nyl. (Lecidea) ii. 55
insiliens A. L. Sm. (Porina) ii. 338
insiliens Larb. (Vemccaria) ii. 338
insinuata Stirton (Arthonia) ii. 217
insita Stirton (Lecidea) ii. 105
inspersa Mudd (Dactylospora) ii. 185
inspersa Tul. (Lecidea) ii. 185
insularis Nyl. (Lecidea) ii. 94
integra Carroll (Verrucaria) ii. 293
intercedens Lonnr. (Polyblast.) ii. 300
intercedens Nyl. (Verrucaria) ii. 301
interjecta A. L. Sm. (Melaspilea)
ii. 228
interjecta Nyl. (Lecidea) ii. 85
interjecta Leight. (Lithogr.) ii. 228
interludens Nyl. (Lecidea) ii. 89
intermedia Nyl. (Ramalina) 190
intermedia Leight. (Lecidea) ii. 154
intermedia Del. (Ramalina) 190
intermediellum Nyl. (Thelocarpon)
ii. 346
intermixta A. L. Sm. (Biator.) ii. 125
intermixta Nyl. (Lecidea) ii. 125
intermutans Nyl. (Lecanora) 467
interpolata A. L. Sm. (Buell.) ii. 168
interpolata Stirton (Lecidea) ii. 168
interseptula A. L. Sm. (Porina) ii. 339
interseptula Nyl. (Verrucaria) ii. 339
intricata Schær. (Physoia) 301
intricata Nyl. (Lecanora) 439
intricata Nyl. (Synalissa) 38
intricata Mudd (Borrera) 302
intricata Tayl. (Lecanora) 439
intricata Sm. (Lecidea) 439
intricata Arn. (Omphalaria) 38
intricatus Desf. (Lichen) 302
intricatus Schrad. (Lichen) 439
intumescens Koerb. (Lecanora) 417
intumescens Nyl. (Lecidea) ii. 95
intumescens Rebent. (Parmelia) 417
inumbrata A. L. Sm. (Polybl.) ii. 302
inumbrata Nyl. (Verrucaria) ii. 302
inuudata Koerb. (Bacidia) ii. 156
inundata Fr. (Biatora) ii. 156
inundata Nyl. (Lecidea) ii. 156
inusta Muell. (Phæographis) ii. 252
inusta Ach. (Graphis) ii. 252
inustula A. L. Sm. (Graphina) ii. 257
inustula Nyl. (Graphis) ii. 257
inversa Nyl. (Lecanora) 433
involuta Nyl. (Opegrapha) ii. 246
involuta Wallr. (Graphis) ii. 246
involuta Tayl. (Lecanora) ii. 23
irrigua Tayl, (Verrucaria) ii. 333
irrubata Nyl. (Lecanora) 387
irrubat'a Sm. (Lecidea) 387
irrubescens Nyl. (Lecanora) 375
isohuobela Nyl. (Melanotheca) ii. 348
isidioides Mudd (Borrera) 402
isidiodes Nyl. (Collema) 57
isidioides Mudd (Dermatocarp.) ii, 309
isidioides Leight. (Endocarp.) ii. 309
isidioides Nyl. (Lecanora) 402
isidioides A. L. Sm. (Mierogl.) ii. 309
isidioides Borr. (Parmelia) 402
isidioides Hook. (Pertusaria) ii. 309
isidioides Tayl. (Porina) ii. 309
isidioides Borr. ( Verrucaria) ii. 309
2 c 2