ADDITIONS TO THE FLORA <>! WASHINGTON. 125 



Lecidea enterojeuca. var. theioplaca, Tuck. 



" arenaria, Fl. 

 " inSularis, Nvl. 

 " albo-coerulescens, Fr. 

 Buellia lactea, Mass. 

 " lepidastra, Tuck. 



atro-alba, Fl. . 

 " parasema, Krh. 



var. caesio-pruinosa, Nyl. 

 " triphragmia, Nyl. 

 " microcarpa, Nyl. 

 " dialyta, Nyl. 

 " myriocarpa, Dl. 

 " Schaereri, Dnot. 



Elizae, Tuck. 

 " petraea, Tuck. 



" var. Montagnei, Fl. 



" Oederi, Krb. ; and others undefined. 



Trib. III. Graph idacei. 



Fam. 1. LECANACTIDEA, 



Lecanactis chloroconia, Tuck. 

 Fam. _'. OPEGRAPHEI. 



Opegrapha demissa. Tuck. 

 ' varia, Fr. 



" var. notha, Fr. 4k 



" " pulicaris, Fr. 



" " " diaphora, Fr. 



" " rimalis, Fr. 

 atra, Xvl. 



vulgata, Nyl. 



Xylographa opegraphella, Nyl. 

 Graphis scripta, Ach. 



" var. limitata, Schaer. 

 " recta, Schaer. 

 " serpentina, Ach. 

 " sophistica, Nyl. 

 " " " assimilis, Nyl. 



" dentritica, Ach. 



