RECENT ADDITIONS TO THE BRITISH LICHEN-FLORA. HI 



of MoiTone, Braemar (Crombie), probably not unfrequent, though 

 only sparingly gathered. 



15. Lecanora Bischoffii (Hepp. Exs. n.. 75). On calcareous rocks, 

 Craig Tulloch, Blair Athole (Crombie), with evanescent thallus. 



16. Pertusaria xantliostoma (Smmrf. Lapp., p. 136). On stems of 

 dead Erica tetraUx, Morrone, Braemar (Crombie), very sparingly, 

 and met with only in a single spot. 



17. Lecidea prasi7ii%a, ^jl., in Flora, 1874, p. 312. On semi- 

 putrid stumps of trees, Barcaldine, Argyleshire ^Crombie), sparingly. 



18. Lecidea luhens, iS"yl., in Flora, 1874, p. 311. sp. n. On the 

 bank of lime-trees, near the roots, at Shiere, Surrey (Crombie). 



19. Lecidea ochracea (Hepp. Exs., n. 263). Tothis species are to be 

 referred all the British specimens of L. fusco-ruhens, Nyl , except my 

 own from Craig Tulloch, Blair Athole, recorded in Grevillea. 



20. Lecidea scopulicola, jS^yl., in Flora, 1874, p. 312, sp. n. On 

 maritime rocks, near Penzance, Cornwall (Wm. Curnow), apparently 

 rare. 



21. Lecidea ^yht/Uiscina, ]>\jl., in Flora, 1873, p. 21. On quartzose 

 boulders, Morrone, Braemar (Crombie), but with spores not rightly 

 developed. 



22. Lecidea phylliscocarpa, I^yl.,in Flora, 1874, p. 314, sp. n. On 

 quartzose stones amongst detritus on the summit of Morrone, Braemar 

 (Crombie), very rire. 



23. Lecidea dealhatxda^ J^yh, in Flora, 1874, p. 315, sp. n. On 

 schistose rocks, Stronaclachan, Killin (Crombie, 1873), very sparingly ; 

 Trefriw, o!^. Wales (Leighton), abundant in one locality. 



24. Lecidea sorediza, Nyl. Pyr. Or., p. 38. On rocks, Langbraugh- 

 rigg, Cleveland, Yorkshire (Mudd. Exs., n. 181, s. n., Lecidea alho- 

 ccendescens, Wulff.), =*'jC. suhconfluens, Th. Fr. Scand., p. 487. 



25. Lecidea confusior, jSTyl,, in Flora, 1874, p. 315, sp. n. On 

 micaceous rocks, Craig Tulloch, Blair Athole (Crombie, 1873), very 

 rare. 



26. Lecidea hdeo-atra, l^jl.f in Flora, 1873, p. 299. On quartzose 

 boulders, Morrone, very sparingly fertile. 



27. Lecidea neglecta, Nyl., Scand., p. 244. Amongst mosses on 

 Ben Lawers (Crombie), apparently rare, and only in one specimen 

 gathered were a few apothecia present. 



28. Lecidea advenuhy Leight., in Grevillea, iii., p. 116, sp. n. 

 Parasitic on thallus of what appears to be Pertusaria sulphurea at 

 Llanbedrog, N. Wales (Leighton, 1874). 



29. L^ecidea urceolata, Ach. Syn., p. 27. On the bark of trees at 

 Airds, Appin (Crombie), plentiful on one tree, hitherto known to occur 

 only in N. America and Germany. 



30. Xylographa laricicola, Nyl., in Flora, 1875, p. 13, sp. n. On 

 the bark of a larch tree in Lawer's Den (Crombie, 1874). 



31. Ptychographa xylograplioides, Nyl., in Flora, 1874, p. 315, 

 sp. n. On decorticated trunks oiPyrus Aucuparia,Crsiig Calliach, Killin 

 (Crombie, 1874). 



32. Arthonia pimctilliformis, Leight. in Grevillea, iii., p. 113, 

 sp. n. On holly, Trerw woods, N. Wales (Leighton, 1874). 



33. Melaspilea vermiformis, Leight. in Grevillea, p. 114. On oak, 

 Trerw, N. Wales (Leighton, 1874), very sparingly. 



