446 



STIGMATOMMA Kbr 337 



SYCHNOGONIA Kbr 332 



SYNALISSA Fr. emend 422 



SYNECHOBLASTUS Trevis. . .411 



Thalloiüima Massal. . . 178 



THELIDIUM Massal 353 



THELOCHROA Massal 334 



THELOTREMA Ach. . . . .330 



TITEL YGNIA Massal 395 



THEBMUTIS Fr 393 



THBOMBIUM Wallr 340 



THYREA Massal 395 



TICHOTHECIUMFw 374 



TONINIA Massal 182 



TOBNABENIAM&ss&X. ... 90 

 TRACHYLIA Fr. emend. ... 299 



Ulogodiumu^sI 394 



UMBILICARIA Hoffm. emend. . 93 

 URCEOLARIA Ach. emend. . .168 

 USNEA Dill 2 



YERRUCARIA Wigg. emend. . . 339 



ZEORA Fr. emend 132 



ZWACKHIA Kbr 285 



