SOCIÉTÉS DE PROVINCE. 315 
Collema mœælenum Ach. 
—  plicatile Ach. 
—  pulposum Ach. 
— crispum Ach. 
— cheileum Ach. 
Leptogium lacerum Ach. 
— firmum Nyl. 
Cladonia pyxidata Fr. 
Ramalina fastigiata Ach. 
Peltigera canina Hoffm. 
Parmelia acetabulum Dub. 
Physcia Borreri Tum. 
—  parietina D.-N: 
—  ciliaris D.-C. 
--  pulverulenta Fir. 
= aipolia Ach. 
—  stellaris Fr. 
—  astroidea Fr. 
—  obscura Fr. 
—  agglutinata Nyl. 
Pannaria nigra Nyl. 
Lecanora murorum À Ch. 
— callopisma Ach. 
— fulgens Ach. 
— medians Nyi. 
— citrina ACh. 
— incrustans Ach. 
— aurantiaca Nyl. 
—  ferruginea Nyl. 
= pyracea Nyl. 
— cerina Ach. 
— phlogina Nyl. 
== candelaria Ach. 
— vitellina Ach. 
— rupestris NyL. 
— tricholyta Ach. 
— circinata AcCh. 
— variabilis Ach. 
— ocellulata Ach. 
_— calcarea Sommert. 
— pruinifera Nyl. 
—  saxicola (Poll.) Nyl. 
— galactina Ach. 
— subfusca Ach. 
—_ albella Ach. 
Lecanora umbrina (Ehrb.) Nyl. 
—— Hageni Ach. 
— atra ACh. 
— athroocarpa Dub. 
— erysibe Nyl. 
— sophodes Ach. 
— cervina? (Pers.) Ach. 
— castanea Ram. 
— pruinosa (Sm.) Nyl. 
Urceolaria actinostoma Pers. 
Phlyctis agellæa Wallr. 
Lecidea sabuletorum FIk. 
—  canescens Ach. 
—  vesicularis Ach. 
—  aromatica Ach. 
—  parasema Ach. 
—  episema Nyl. 
—  ochracea Hepp. 
—  fuscorubens Nyl. 
—  calcivora Nyl. 
—  Jenticularis Ach. 
—  alboatra Scheær. 
—  petræa Flot. 
—  saxatalis (Schær). Nyl. 
Graphis scripta Ach. 
Opegrapha atra Nyl. 
— varia Pers. 
Arthonia astroidea Ach. 
—  subvarians (Ach.) N yl. 
—  lapicidicola (Tayl.) Leight,. 
Melaspilea arthonioides Nyl. 
Endocarpon rufescens Ach. 
— hepaticum Ach. 
Verrucaria Garovaglii Mont. 
— polysticta Borr. 
— nigrescens Pers. 
— macrostoma Duf. 
— rupestris Schrad. 
— sepulta Mass. 
— sgemmata Ach. 
— épidermidis Ach. 
— cinerella Flot. 
— epicallopisma Wedell. 
Mycoporum ptelæodes N yl. 
