Adams — -The Distribution of Lichens in Iretimd. 225 



Thalloidima 



sublurida Mudd. = Toninia holopliaja {Mnt.) 

 vesiculare Mass. = Lecidea vesicularis Ack. 

 Thelidium 



auruntii Mass. = Verrucaria immersa Leight. 

 gemmatum Mudd. = Artliopyrenia gemmata Mull. Arg. 

 immei'tium Mudd. = Verrucaria immersa Leight. 

 Thelotrema 



exantliematicTim Ach. = Lecidea exanthematica Leight. 

 Hutcliiusipe Borr. = Pertusaria Hntchinsiae Leight. 

 Trachylia 



tympanella Fr. = Cypheliiim inqninans Irevts. 

 Umbilicaria 



cylindrica Linn. = Gyrophorxi cylindrica Ach. 

 erosa Web. = Gyrophora erosa Ach. 

 hyperborea Ach. = Gyrophora hyperborea Mudd. 

 polyphylla Linn. = Gyrophora polyphylla Turn. 8f Borr. 

 polyrrhiza Linn. = Gyrophora polyrrhiza Koerh. 

 proboscidea Linn. = Gyrophora proboscidea Ach. 

 Urceoharia 



Acharii Sooh. = Jonaspis epulotica Am. 

 bryophila Nyl. = Diploschistes scruposus Norm. 

 calcarea Ach, = Lecanora calcarea Leight. 

 cinerea Ach. - Biatorella cinerea Th, Fr. 

 contorta Ach, = Lecanora calcarea Leight. 

 gypsacea Ach. - Diploschistes gypsaceus {Ach.) 

 scriiposa Ach. = Diploschistes scruposus Korm. 

 Usnea ;, 



plicata Ach. = TJ. dasypoga Nyl. 

 Variolaria 



aspergilla Ach. Pertusaria velata Nyl. 

 chlorothecia Tayl. = Pertusaria dealbata Nyl. 

 constellata Tayl. = Pertusaria multipuncta Nyl. 

 corallina Ach. = Pertusaria dealbata Nyl. 

 discoidea Pers. = Pertusaria globulifera Nyl. 

 faginea Fers. = Pertusaria amara Nyl. 

 griseovirens T. Sj^ B. = Pertusaria globulifera Nyl. 

 lactea Fers. = Pertusaria concreta Nyl. 

 polythecia Tayl. - Pertusaria multipuncta Nyl. 

 Verrucaria 



acrotella Ach. = V. margacea Whlnb. 

 advenula Nyl. = V. rimosicola Leight. 

 affinis Mass. = Porina affinisi4. Zahlbr. 



B. I. A. PROC, VOL. XXVIl., SECT. B. [2 Z/J 



