ADDENDA. 



Whilst these pages were passing through the press, 

 Schaerer's ' Enumeratio Critica Lichenum Europa3orum/ 

 8vo. Bern. 1850, came to. hand. With a view of bring- 

 ing down our information to the latest period, I subjoin 

 the synonymy from this work, and intersperse a few cor- 

 rections and additions relating to the different plants. 



7. Sphcerophoron coralloides, a. laxum. 



Adde syn. Sphcerophorus coralloides, Schaer. Spicil. 242. 

 Enum. 177, tab. vi. f. 4. b. c. 



8. Sphcerophoron coralloides, /3, ccBspitosum. 



Adde syn. Sphcerophorus fragilis, Schaer. Spicil. 242. 

 Enum. 176. 



9. SphcBrophoron conipressum. 



Adde syn. Sphcerophorus melanocarpos, Schaer. Spicil. 

 243. Enum. 177. 



11. Endocarpon miniatum^ a.umbilicatum. 



Adde syn. Endocarpon miniaturn, a. umbilicatum, Schira*. 

 Enum. 232, tab. ix. f. 2, b. c. 



Endocarpon mimafum, I3 complicatum, 



Adde syn. Endocarpon miniatum^ /3. complicatum^ Schaer. 

 Enum. 232. 



12. Endocarpon Icptopliyllum. 



Adde syn. Endocarpon miniatum, a. b. leptophyllum^ Schaer. 

 Enum. 232. 



Endocarpon euplocum, 



Adde syn. Endocarpon euplocum^ Schaer. Enum. 232. 



Endocarpon Iceievirens. 



Adde syn. Solorina saccaku b, Uctevirens^ Scha-i-. Enum. 232. 



