12'2 BIOLOGICAL SOCIETY OF WASHINGTON. 



Lccanora pallida, var. cancriformis, Tuck. 



" " " angulosa, Hoff. 



" miculata, Ach. 



subfusca, Ach. 



" var. allophana, Ach. 



" " " distans, Ach. 



" " " coilocarpa, Ach. 



" " •■ argentata, Ach. 



" ■ Hageni. Ach. 



" atra, Ach. 



" varia, Nyl. 



" " var. symmicta, Ach. 



" " " saepincola, Fr. 



" Cupressi, Tuck. 



" pallescens, Schser. 



" " var. rosella, Tuck. 



" tartarea, Ach. 



" cinerea, Sommer. 



" ' " var. lsevata, Fr. 



" lacustris, Nyl. 



" 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. 



