374 DR. LAUDEB LINDSAY OK THE 



9, Lecanora vitellina^ Aeh, Saxicolous, common. 



10. i. cinerea, L. Many different forms. Saxicolous, as common 



as L. tartarea. 



11. i. imrella^ Ach., and var. pallescens, Ach. Saxicolous. very 



common, especially about the shore. The latter is cer- 

 tainly a transition state to the following species. To the 

 foregoing variety, or its type, appears to belong the bulk 

 of Isidium corallinum, Ach., -which is also very common. 



12. L. tartarea, Ach. The " Korke " of the Fiiroese (Laudt)- 



Saxicolous, abundant, both in its usual or fructiferous, and * 

 isidioid or variolarioid sterile conditions, on boulders and 

 rocks about Thorshavn, from the sea-level up to the tops ot 

 the hills. Landt describes it as so plentiful in some places 

 that at a distance " it makes the stones appear as if they 

 were covered with lime " (p. 195). 



13. X. varia, Ach., xdiX, polytropa, Ehrh. Saxicolous, common. 



14. X. sulpliurea^ Ach. Abundant and in fruit, especially about 



the shore. Saxicolous. 



15. X. hadia, Ach. Saxicolous. 



16. X. aim, Ach. Saxicolous : abundant and in fruit, especially 



about the shore. 



17. Lecidea sitbepulotica, INTyl. MS., not recorded in his ^ Lich. 



Scand.' Subsequently, in a letter of January 25, 1866, w 

 thus refers to it: — " X. stilejpidotica^ Nyl. in litt. ad Tuck, 

 et alios, n'est qu'une forme diVi Lecanora epulotica, Ach., du 

 groupe du cinereay 



18. X. coarctata^ Ach. Saxicolous : exactly resembling speci- 

 mens growing on similar trappean rocks on Kinnoull HiH? 

 Perth. 



19. L. parasema^ Ach. Saxicolous, common- 



20. X. contigita, Fr., many varieties, including isidioid forms. 



Saxicolous, very abundant. 



__ # 



21. X. alro-alhcf, Plot. Saxicolous. 



22. L. pet rcea, Ylot, Saxicolous. 



23. X. excentrica, Ach, Saxicolous. 



24. X. comops,^W\iih. (Nyl. Scand. 237), and forms. Saxicolous. 



25. Verrncaria a:thio'boIa^^\'\\\n\), (a variety of V. margaceay^'^^^^' 



in Xylander's 'Scand.' 272). Saxicolous. 



26. V, vuufra, AVhlnb. Saxicolous. 



III. Norway, 

 fuscatula, Xyl. Enumer. 143. Saxicolous, Eomsdah 



Associated with Lecidea geminata^ Flot. 



