BIOLOGICAL SOCIETY OF WASHINGTON. 



Lecanora pallida, var. cancriformis, Tuck. 



" angulosa, HofF. 

 tniculata, Ach. 

 subfusca, Ach. 



var. allophana, Ach. 

 " " distans, Ach. 



" " " coilocarpa, Ach. 



argentata, Ach. 

 Hageni, Ach. 

 " atra, Ach. 



" variai Nyl. 



" " var. symmicta, Ach. 



" " saepincola, Fr. 

 " Cupressi, Tuck. 



pallescens, Schser. 



" var. rosella, Tuck. 



" tartarea, Ach. 



" cinerea, Sommer. 



" " var. laevata, Fr. 



lacustris, Nyl. 

 M fuscata, Th., Fr. 



privigna, Nyl. 



var. pruinosa, Auctt. 



" Clavus, Koerb. 

 Rinodina oreina, Mass. 

 " sophodes, Mass. 



var. atrocinerea, Nyl. 

 " confragosa, Nyl. 

 " exigua, Fr. 



" " " tephraspis, Tuck. 



" constans, Tuck, 

 milliaria, Tuck. 

 Pertusaria communis, DC. 

 multipuncta, Nyl. 

 velata, Nyl. 

 pustulata, Nyl. 

 Wulffenii, DC. 

 " leioplaca, Schser. 



