406 



tenuissimum Gray [Polychidium) 64 

 tenuissimum, etc. Dili. (Coralloides) 



257, 358 

 tephriaans Leight. (Lecidea) ii. 78 

 tephroides Ach. (Endocarpon) ii. 271 

 tephroides Ach. {Lichen) ii. 271 

 tephroides Nyl. (re/vucaria) ii. 271 

 terebrata Mudd [Parmelia) 262 

 terebrataavLiHSpfuBromphale) ii.312 

 terebrata Leight. (Vemicaria) ii. 312 

 temaria Nyl. (Z(ec«<2ea) ii. 144 

 terrestris Sm. (Lichen) ii. 307 

 terrulentum Nyl. (Collema) 41 

 tesseUata Ploerke (Lecidea) ii. 74 

 tessellata S. F. Gray {Pyren.) ii. 284 

 tesseUata Ach. ( Urceolaria) 474 

 tessellatus E. Bot. t. 553 (Lichen) 474 

 tessellatus Sm. (iiicft«re) ii. 284 

 tesserata Nyl. (Lithographa) ii. 221 

 tesserata DC. (Opegrapha) ii. 221 

 testacea Ach. (Lecidea) ii. 13 

 testacea Hofim. (Pscua) ii. 13 

 testaceum S. P. Gray (Z/y»&>m.) ii. 13 

 tetrasticha Nyl. (Lecanora) 389 

 THALLOIDIMA Massal. ii. 110 

 THAMNOLIA Ach. 184 

 THELENELLA Nyl. ii. 308 

 theleodes Th. Pr. (Polyblastia) ii. 304 

 theleodes Sommerf. (Verrucar.) ii. 304 

 THELIDIUM Massal. ii. 297 

 THELOOARPON Nyl. ii. 345 

 THELOPSIS Nyl. ii. 339 

 thelostoma Hook. (Lecanora) 308 

 thelostoma Leight. (Segestr.) ii. 308 

 thelostoma Pr. (Segestria) ii. 307 

 thelostoma A. L. Sm. (Thrombium) 



ii. 307 

 thelostOTna Ach. (Verrucaria) ii. 307 

 thelostomus Sm. (Lichen) ii. 307 

 THELOTREMA Ach. 513 

 thiopsora Nyl. (Lecidea) ii. 150 

 thraut ta Nyl. (Ramalina) 187 

 thrombioides 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 

 tigillare Turn. & Borr. (Calicium) 



101 

 tigillaris Ach. (Lichen) 101 

 tigiUaris Pr. (Trachylia) 101 



tigrina Schaer. (OpegrapJia) ii. 239 

 tiliacea Ach. (Parmelia) 239 

 tiliacea Cromb. (Parmelia) 239 

 iiliaceus E. Bot. t. 700 (Lichen) 239 

 tiliaceiis Hoffm. (Lichen) 239 

 tlnctoria Sm. (Boccella) 182 

 tinctorium, etc. DUl. (Lichenoides) 



223, 227 

 tomentosa Hofim. (Peltigera) 283 

 tomentosum Nyl. (Nephromium) 283 

 tomentosum Pr. (Stereocaulon) 119 

 TONINIA Massal. ii. 133 

 tornata Ach. (Gyrephora) 329 

 torquata Nyl. (Lecanora) 454 

 torquata Pr. (Parmelia) 454 

 torrefacta Cromb (Gyrephora) 829 

 torrefacttis Lightf. (Lichen) 330 

 tortuosa Del. (Cenomyce) 139 

 trabalis Nyl. (Lecanora) 435 

 trabinellum Gray (Phacotium) 88 

 trabinellus E. Bot. t. 1540 (Lichen) 



88 

 trachelinum Ach. (Calicium) 94 

 trachona Arnold (BUimbia) ii. 148 

 trachcma Nyl. (iecidea) ii. 148 

 ijacftorea Ach. (Ferrwcfflrio) ii. 148, 335 

 TRACHYLIA Pr. 101 

 trachylioides Nyl. (4r<?so»io) ii. 213 

 trachyna Nyl. (Cladonia) 147 

 trachynus Ach. (Bceomyces) 147 

 trajecta Nyl. (Stenocybe) 97 

 trajectum Nyl. (Calicium) 97 

 trapezifotmis 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 

 tribacia Nyl. (Physcia) 315 

 tribacia Sm. (Squamaria) 315, 316 

 tribacium Gray (Psoroma) 315 

 tribacoides Nyl. (Physcia) 315 

 trichiale Ach, (Calicium) 85 

 tricolor Nyl. (i^ecidea) ii. 118 

 tricolor With. (Lichen) ii. 8 

 tridens Sohser. (Opegraplia) ii. 239 

 triphractoides Nyl. (£n(fococ.) li. 344 

 triphraotoides A. L. Sm. (Pharcidia?) 



ii. 344 

 ij-ipftrocioides Leight. (T"i.'(v»c.) ii. 344 



