leucoplaca Chev. (Lecidea) ii. 123
leucoplaca DC. (Patellaria) ii. 188
leuoospeirea Nyl. (Lecanora) 393
lichcnis facie, etc. Dill. (Lichen.) 281
LICHINA Ag. 31
LICHINIZA Nyl. 33
liohinodeum Nyl. (Schizoma) 38
lichinodeum Nyl. (Collema) 38
Lightfootii Mudd (Biatorina) ii. 124
Lightfootii Ach. (Lecidea) ii. 124
Lightfootii Sm. (Lichen) ii. 124
lignaria Massal. (Bilimbia) ii. 144
lignaria Ach. (Lecidea) ii. 145
lignornm Pers. (Boeomyces) 109
Lilliei B. de Lesd. (Arthonia) ii. 354
Lilliei B. de Lesd. (Aspieilia) ii. 354
limbata Mudd (Solorina) 281
limbata Gray (Sticta) 268
limbata Nyl. (Stiotina) 268
limbatus Sm. (Lichen) 268
limborina A. L. Sm. (Lecidea) ii. 81
limborina Nyl. (Bimularia) ii. 82
limitata Krempelh. (Verrucar.) ii. 292
limosa Aoh. (Lecidea) ii. 61
limosum Aoh. (Collema) 47
linearis Mudd (Arthopyrenia) ii. 336
linearis Tayl. (Lecanora) 363
linearis Leight. (Verrucaria) ii. 336
Lismorense Cromb. (Pterygium) 35
lithina Tayl. (Verrucaria) ii. 296
lithina Leight. (Pyrenothea) ii. 296
lithina Ach. (Verrucaria) ii. 311
lithimim Leight. (Endoc.) ii. 284, 311
LITHCCIA S. F. Gray ii. 276
LITHOGRAPHA Nyl. ii. 221
lithophila Ach. (Lecidea) ii. 75
lithophiliza Nyl. (Lecidea) ii. 21
lithotea Nyl. (Physcia) 318
lithyrga Aoh. (Opegrapha) ii. 243
lithyrgodes Nyl. (Opegrapha) ii. 243
litoralis A. L. Sm. (Arthopyr.) ii. 325
littoralis Tayl. (Verrucaria) ii. 278
litoralis Tayl. (Verrucaria) ii. 325
littorella A. L. Sm. (Biator.) ii. 116
littorella Nyl. (Lecidea) ii. 116
livescens Leight. (Lecidea) ii. 45
livida Ach. (Lecanora) 407
LOBARIA Hoffm. 271
LOBARINA Nyl. 270
lobulata Floerke (Lecanora) 300
lobulata Somm. (Lecanora) 363
longifolium etc. Dill. (Lichen.) 190,191
LOPADIUM Koerb. ii. 199
lophæum Nyl. (Leptogium) 71
LOPHOTHELIUM Stirton ii. 265
lubens Nyl. (Lccidea) ii. 144
lucens Mudd (Arthopyrenia) ii. 339
lucens A. L. Sm. (Porina) ii. 339
lucens Tayl. (Verrucaria) 339
lucida Aoh. (Lecidea) ii. 18
lucidus Aoh. (Lichen) ii. 18
luguhris Sommerf. (Lecidea) ii. 16
liigubris Koerb. (Schcereria) ii. 16
■lurida Ach. (Arthonia) ii. 206
lurida Ach. (Lecidea) ii. 11
lurida DC. (Psora) ii. 11
luridzim S. F. Gray (Lepidoma) ii. 11
luridus Sw. (Lichen) ii. 11
lusca Nyl. (Lecanora) 471
lusitanicum Schær. (Nephroma) 285
lusitanioum Nyl. (Nephromium) 285
lutea Arn. (Biatorina) ii. 113
lutea Borr. (Lecidea) ii. 113
lutea Leight. (Pyrenothea) ii. 296
luteella Nyl. (Lecidea) ii. 115
luteoalba Wils. & Wheld. (Cladonia)
ii. 351
luteoalba Nyl. (Lecanora) 385
luteo-alba Gray (Lecidea) 385
luteo-album Mudd (Callopisma) 385
luteo-albus Turn. (Lichen) 385
luteoatra Nyl. (Lecidea) ii. 57
luteola Mudd (Bacidia) ii. 151
luteola Ach. (Lecidea) ii. 151
luteolus Schrad. (Lichen) ii. 151
luteorosella Nyl. (Lecidea) ii. 139
lutereus Gmelin (Lichen) ii. 151
lutescens Turn. & Borr. (Isidium) 507
lutescens Leight. (Lecanora) 431
lutescens Cromb. (Lecanora) 432
lutescens E. Bot. t. 1529 (Lcprar.) 507
lutescens Hoffm. (Lepra) 507
lutescens DC. (Patellaria) 432
lutescens Lamy (Pertusaria) 607
luteus Dicks. (Lichen) ii. 113
lutosa Jatta (Biatorina) ii. 130
lutosa Mont. (Lecidea) ii. 130
hitulata Nyl. (Lecidea) ii. 98
lychnea Nyl. (Physcia) 300
Lyellii Leight. (Chiographa) ii. 254
Lyellii Ach. (Graphis) ii. 254
Lyellii Sm. (Opegrapha) ii. 254
Lyellii A. Zahlbr. (Phæogr.) ii. 254
Lyellii Leight. (Verrucaria) ii. 331
lygcea Ach. (Lecidea) ii. 88
lyncea S. F. Gray (Arthonia) ii. 244
lyncea Eschw. (Lecanactis) ii. 244
lyncea Borr. (Opegrapha) ii. 244
lynceus Sm. (Lichen] ii. 244
lyperiza A. L. Sm. (Buellia) ii. 178
lyperiza Stirton (Lecidea) ii. 178
macilenta Hoffm. (Cladonia) 167
macilentus Ehrh. (Lichen) 167
macrocarpa DC. (Patellaria) ii. 68
macrocarpa Mudd (Verrucar.) ii. 272
macrocarpon A. L. Sm. (Dermato-
earpou) ii. 272
macrocarpon Tayl. (Endocarp.) ii. 272
macrophylla Nyl. (Cladonia) 145
macrophylla Hook. (Sticta) 273
macrostoma DC. (Verrucaria) ii. 284
macula Tayl. (Lecidea) ii. 86
znacularis Mudd (Arthopyr.) ii. 335
maculiformis Krempelh. (Verrucaria)
ii. 290
MAGMOPSIS Nyl. 29
malaeea Fr. (Peltigera) 287
malacca Ach. (Peltidea) 287
malhamensis Nyl. (Verrucar.) ii. 291
MALLOTIUM Ach. 75
mamillare Massal, (Thalloid.) ii. 112
mamillarisDut. (Lecidea) ii. 112
mamillaris Gouan (Lichen) ii. 112
mammillifera Stirt. (Lecanora) 428
margacea Wahlenb. (Thelotr.) ii. 281
margacea Larb. (Verrucaria) ii. 279
margacea Wahlenb. (Verrucar.) ii. 281
marginala Hook. (Collema) 51
marginale Gray (Enchzjlmm) 51
marginalis Huds. (Lichen) 51
marginata Schær. (Lecidea) ii. 84
marginatus Bernh. (Lichen) 49
marginibus, etc. Dill. (Lichen.) 220
marina A. L. Sm. (Arthopyr.) ii. 327
marina Deakin (Sagedia) ii. 327
marina Leight. (Verz-ucaria) ii. 327
marmorea Ach. (Lecidea) ii. 6
marmorea A. Zahlbr. (Verrucaria)
ii. 294
marmoreus With. (Lichen) ii. 6
marmorezis Scop. (Lichen) ii. 294
Martindalei Cromb. (Epheheia) 29
maura S. F. Gray (Lithocia) ii. 277
maura Wahlenb. (Verrucaria) ii. 276
mauroides Schær. (Verrucaria) ii. 286
maurzts Sm. (Lichen) ii. 277
McMillana Stirton (Parmelia) 237
medians Nyl. (Lecanora) 370
medians Nyl. (Placodizim) 870
meiocarpa Nyl. (Lecidea) ii. 34
meiococca Leight. (Lecidea) ii. 50
meleena Arnold (Bilimbia) ii. 145
melcBna Nyl. (Lecidea) ii. 146
melsenum Ach. (Collema) 51
meltxnus Ach. (Lichen) 51
melaleuoa Dub. (Pertusaria) 504
melalezLCZim Turn. & Borr. (Thelotrema)
504
melaleucus E. Bot. t. 2461 (Lichen)
504
melanaspis Ach. (Lecanora) 403
melanochlora Nyl. (Pertusaria) 493
melanochlorum DC. (Isidium) 493
melanochroza Leight. (Lecidea) ii. 43
melanopheea Fr. (Lecidea) 476
melanopbffium Aoh. (Galicium) 89
MELANCSPCRA Mudd ii. 225
MELANOTHECA Fée ii. 347
melantera Stirt. (Pannaria) 344
melantera Cromb. (Pannularia) 344
melaphana Nyl (Lecidea) ii. 99
MELASPILEA Nyl. ii. 226
melastigma Mudd (Biatorina) ii. 128
melastigma Tayl. (Lecidea) ii. 128
melathelia Nyl. (Thelopsis) ii. 340
melathelia Leight. (Verrzic.) ii. 340
melina Krempelh. (Megalos.) ii. 106
melizea Ach. (Lecidea) ii. 113
melops Duf. (Physcia) 315
membranacezim, eic. Dill. (Lichenoides)
226, 291
znemhranacezis Dicks. (Lichen) 348
memnonia Flot. (Verrzccaria) ii. 277
mesoidea A. L. Sm. (Bilimb.) ii. 135
mesoidea Nyl. (Lecidea) ii. 135
mesotropa Nyl. (Lecidea) ii. 77
mesoti'opaNyl. (VerrzLcaria) ii. 297
mesotropiza Nyl. (Lecidea) ii. 77
mesotropoides Nyl. (Lecidea) ii. 77
mesotropum A. L. Sm. (Thelidium)
ii. 297
metabolica Aoh. (Lecanora) 448
metaboloides Nyl. (Lecanora) 437
metamorphea Oliv. (Bilimbia) ii. 138
metamorphea Nyl. (Lecidea) ii. 138
Metzleri Koerb. (Biatora) ii. 40
Metzleri Th. Pr. (Lecidea) ii. 40