tenuissimum Gray (Polychidium) 64
tenuissimum, etc. Dill. (Coralloides)
257, 358
tephrizans Leight. (Lecidea) ii. 78
tephroides Ach. (Endocarpon) ii. 271
tephroides Ach. (Lichen) ii. 271
tephroides Nyl. (Verrucaria) ii. 271
terebrata Mudd (Parmelia) 262
terebrata IMudd ( Sphceromphale) ii. 312
terebrata Leight. (Verrucaria) ii. 312
ternaria Nyl. (Lecidea) ii. 144
terrestris Sm. (Lichen) ii. 307
terrulentum Nyl. (Collema) 41
tessellata Floerke (Lecidea) ii. 74
tessellata S. F. Gray (Pyren.) ii. 284
tessellata Ach. ( Urceolaria) 474
tessellatus E. Bot. t. 553 (Lichen) 474
tessellatus Sm. (Lichen) ii. 234
tesserata Nyl. (Lithographa) ii. 221
tesserata DO. (Opegrapha) ii. 221
testacea Ach. (Lecidea) ii. 13
testacea Hoffm. (Psora) ii. 13
testaceum S. F. Gray (Lepidom.) ii. 13
tetrasticha Nyl. (Lecanora) 389
THALLOIDIMA Massal. ii. 110
THAMNOLIA Aoh. 184
THELENELLA Nyl. ii. 308
theleodes Th. Pr. (Polyblastia) ii. 304
theleodes Sommerf. (Verrucar.) ii. 304
THELIDIUM Massal. ii. 297
THELOCAKPON Nyl. ii. 345
THELOPSIS Nyl. ii. 339
thelostoma Hook. (Lecanora) 308
thelostoma Leight. (Segestr.) ii. 308
thelostoma Fr. (Segestria) ii. 307
thelostoma A. L. Sm. (Thrombium)
ii. 307
thelostoma Aoh. (Verrucaria) ii. 307
thelostomus Sm. (Lichen) ii. 307
THELOTREMA Ach. 513
thiopsm-a Nyl. (Lecidea) ii. 150
thrautta Nyl. (Ramalina) 187
thromhioides Leight. (Verruo.) ii. 285
thrombioides Bagl. (Lithoicea) ii. 285
THROMBIUM Wallr. ii. 306
Thouarsii Del. (Sticta) 266
Thouarsii Cromb. (Stictina) 266
tigillare Gray (Acolium) 101
ligulare Turn. & Borr. (Galicium)
101
tigillaris Ach. (Lichen) 101
tigillaris Fr. (Trachylia) 101
tigrina Schser. (Opegrapha) ii. 239
tiliacea Aoh. (Parmelia) 239
tiliacea Oromb. (Parmelia) 239
tiliaceus E. Bot. t. 700 (Lichen) 239
tiliacciùs Hoffm. (Lichen) 239
tinctoria Sm. (Roccella) 182
tinctorium, etc. Dill. (Lichenoides)
223, 227
tomentosa Hoffm. (Peltigera) 283
tomentosum Nyl. (Nephromium)' 283
tomentosum Pr. (Stereocaulon) 119
TONINIA Classai, ii. 133
tornata Ach. (Gyrophora) 329
torquata Nyl. (Lecanora) 454
torquata Fr. (Parmelia) 454
torrefacta Cromb (Gyrophora) 329
torrefactus Lightf. (Lichen) 330
tortuosa Del. (Cenomyce) 139
trabalis Nyl. (Leoanora) 435
trabinellum Gray (Phacotium) 88
trabinellus E. Bot. t. 1540 (Lichen)
88
tracheliuum Ach. (Calicium) 94
trachona Arnold (Bilimbia) ii. 148
trachona Nyl. (Lecidea) ii. 148
trachona Ach. (Verrticaria) ii. 148, 335
TRACHYLIA Fr. 101
trachylioides Nyl. (Arthonia) ii. 213
trachyna Nyl. (Cladonia) 147
trachynus Ach. (Bæomyces) 147
trajeota Nyl. (Stenocyhe) 97
trajectum Nyl. (Galicium) 97
trapeziformis Zoega (Lichen) ii. 270,
274
tremella With. (Lichen) 70
tremelloides Hook. (Collema) 74
tremelloides Gray (Leptogium) 73
tremelloides Lightf. (Lichen) 70
tremelloides Linn. (Lichen) 74
tribacia Ach. (Lecanora) 315
tribaoia Nyl. (Physoia) 315
tribacia Sm. (Squamaria) 315, 316
tribacium Gray (Psoroma) 315
tribacoides Nyl. (Physcia) 315
trichiale Aoh. (Calicium) 85
tricolor Nyl. (Lecidea) ii. 118
tricolor With. (Lichen) ii. 8
tridens Schær. (Opegrapha) ii. 239
triphractoides ÌDjì. (Endococ.) ii. 344
triphractoides A. L. Sm. (Pharcidia ?)
ii. 344
triphractoides Leight. (Verruc.) ii. 344
triphragmia Nyl. (Lecidea) ii. 178
triplicans Nyl. (Lecidea) ii. 143
triptophylla Leight. (Pannarla) 341
triptophylla Nyl. (Pannularia) 341
triptophyllum Gray (Lepidoma) 341
trisepta N*g. (Biatora) ii. 144
triseptata Nyl. (Pannularia) 343
triste Cromb. (Galicium) 96
triste Cromb. (Platysma) 257
tristicula Th. Fr. (Polyblastia) ii.
304
tristicula Nyl. (Verrucaria) ii. 304
tristis Gray (Cornicularia) 257
tristis Web. (Lichen) 257
tristis Nyl. (Parmelia) 257
trochodes Cromb. (Lecidea) ii. 82
truncigena Hepp (Gyalecta) ii. 7
truncigena Mudd (Gyalecta) ii. 8
truncigena Nyl. (Lecidea) ii. 7
tubiformis Lightf. (Lichen) 167
tubulosum etc. Dill. (Lichenoides) 129,
135, 143
tubulosum cauliculis, etc. Dill. (Lichenoides)
178, 179
tubulosum cinereum, etc. Dill. (Lichenoides)
150, 152
tubulosum magis, etc. Dill. (Lichenoides)
164
tubulosum pyxidatum, etc. Dill. (Lichenoides)
161
tubulosum ramosissimum, etc. Dill.
(Lichenoides) 153, 174
tubulosum virescens, etc. Dill. (Lichenoides)
152
tumidula A. L. Sm. (Biatorina) ii. 112
tumidula Ach. (Spiloma ?) ii. 208
tumidulum Ach. (Spiloma) ii. 208
tumidulum Sm. (Spiloma) ii. 209
tumidulus Sm. (Lichen) ii. 112
tunceforme Sm. (Collema) 44
tunceformis Ach. (Lichen) 44
turbinata Pr, (Sphinctrina) 83
turbinatum Pers. (Calicium) 83
turgida Hoffm. (Cladonia) 149
turgidula Pr. (Lecidea) ii. 41
turgidum Ach. (Collema) 61
turgidum Nyl. (Gollemodium) 61
turgidum Nyl. (Leptogium) 61
turgidum Koerb. (Scoliciosporum) ii.
163
turgidus Ehrh. (Lichen) 149
Turneri Sm. (Lecanora) 462
Turneri Leight. (Lecidea) ii. 137
Turneri E. Bot. t. 857 (Lichen) 462
Turneri Leight. (Opegrapha) ii. 233
Turneri Gray (Binodina) 462
Turneriana Nyl. (Leoanora) 379
Turneriana Ach. (Lecidea) 379
tympanella Fr. (Trachylia) 102
tympanellum Gray (Acolium) 102
tympanellum Aoh. (Galicium) 102
uliginascens Stirton (Lecidea) ii. 92
uliginosa Aoh. (Lecidea) ii. 30
uliginosus Schrad. (Lichen) ii. 80
Ulmi Sm. (Lichen) 458
ulmicola Sm. (Lecidea) 385
ulophyllum Nyl. (Platysma) 221
ulothrix Ach. (Lichen) 319
ulothrix Tayl. (Parmelia) 319
ulothrix Nyl. (Physcia) 319
UMBILICARIA Hoffm. 322
umbonata Ach. (Pyrenula) ii. 307
umbonella Nyl. (Lecidea) ii. 80
umbraticula Nyl. (Lecanora) 446
umbrina Branth & Rostr. (Bacidia
ii. 162
umbrina Nyl. (Lecanora) 423
umbrina Ach. (Lecidea) ii. 162
umbrina Mudd (Sphcerom.) ii. 311
umbrina Ach. (Verrucaria) ii. 286
umbrina Leight. (Verrucaria) ii. 287
umbrina Fr. (Verrucaria) ii. 311
iimbrinella Nyl. (Lecidea) ii. 126
umbrinofusca Nyl. (Lecanora) 401
umbrinum A. L. Sm. (Staurothele)
ii. 311
umbrinus Aoh. (Lichen) ii. 286
umbrimis Ehrh. (Lichen) 424
umbrosa Tayl. (Verrucaria) ii. 235
uncialis Hook. (Cenomyce) 178
uncialis Leight. (Cladina) 178
uncialis Nyl. (Cladina) 178
uncialis Gray (Cladonia) 178
uncialis Linn. (Lichen) 178
upsaliensis Nyl. (Lecanora) 463
upsaliensis E. Bot. t. 1634 (Lichen)
459
upsaliensis Linn. (Lichen) 463
urbana Nyl. (Lecanora) 406
URCEOLARIA Aoh. 615
urceolaria Nyl. (Pertusaria) 505
urceolata Tuck. (Oonotrema) ii. 1
urceolata Aoh. (Lecidea) ii. 1