OF GREAT BRITAIN. 197 



59. L. cinereo-rufescens, (Aoh.) darkly-cinereous, whiter towards 

 the circumference, areolato-verrucose, rimose, hypothallus nigricant; 

 apoihecia immersed, at first concave, eventually discoid, dark-rufous, 

 thalline margin entire ; spores 8, colourless, ellipsoid, simple ; 

 (thallus K — C — , medulla I blue.) 



On sub-alpine rocks and walls, rare. 



Syn :— Ach. L. IT. 677. (1810.) Syn. 141. Nyl. Scind, 154. Th. Fr. Scind, 284 

 Fig :— Mass. Ric. fig. 62. 

 Exs :— Hepp 625. Am. 115. 436. 

 Geog. Distbib :— Lapland. 

 Bot. Pbov:— 6, 7... 15. 



Scotland : — Grampians. Bev. J. M. Crombie. 

 Wales :— Barmouth. Bev. T. Salwey. Aberystwith. Miss Alwood. 

 " Sporea .016— 24 mm. long, .009— .010 mm. broad." (Nyl.) "Spores .012 

 —24 mm. long, .007— .010 mm. broad." (T. M. Fr.) 



forma diamarta, Ach. ochrey-red, rimoso-areolate, sub-determin- 

 ate ; apothecia immersed, plane or slightly concave, black, thai- 

 line margin fiexuose, elevated. 



On alpine rocks, rare. 1870. 



Stn :— Ach. Meth. 151. (1803.) Syn. 137. Nyl. Soand. 153. Crombie En. 55. 

 Exs :— Anzi Langob. 74. 



•Geog. Distbib : — Norway, Russia, E. Pyrenees, Lombardy. 

 Bot. Pbov :— 15. 

 Scotland :— Breadalbane. Bev. J. M. Crombie 



60. L. subcinerea, Nyl. cinereous, thick, subverrucoso<tnequal, 

 rimoso-diffract, (K — C — ) ; apothecia fuscous-black, innate, plane, 

 surrounded by a not very prominent thalline margin, internally 

 colourless; spores 8, colourless, subglobose or ellipsoid, simple ; 

 paraphyses indistinct ; epithecium fuscescent ; gelatina hymenea 

 I slightly blue then vinous-red. 



On Gneissic rocks, rare. 



Syn :— Nyl. in Flora 1869. p. 82. 

 Bot. Pbov :— 10. 



England : — Holwick Scar, Yorkshire. Mr, Marriman in herb. Sowerby. 

 Allied to L. cinereo-rufescens. Spores 0.009—0.014 mm. long, 0.007—9 mm. 

 broad. 



61. L. epulotica, (Ach.) pale or pallido-ochraceous or whitish, 

 thin, rimulose or sub-continuous ; apothecia urceolate or innate, 

 moderate, carneous or carneo-rufescent, margin thickish, concol- 

 orous, circumcised from the thallus ; spores 8, colourless, ellip- 

 tico-oblong, simple ; (thallus K— C— -.) 



On calcareous rocks, not common. 



Stn :— Ach. L. TT. 151. (1810.) Syn. 9. Lecidea, Nyl. Seand. 189. 



Exs :— Arn. 41. 164. Zw. 281. Anzi Langob. 77. 



Geoo. Distbib : — Switzerland, Hungary, Lombardy, Germany. 



Bot. Pbov:— 1, 2...7...U...15...26. 



England : — Middleton-in-Teesdale. Bev. J. Bcurriman. Boltshope Bourn, 

 Durham. Mr. Winch. Torquay and near Exeter. Mr. Parfiit. near Ashburton, 

 S. Devon. Dr. Soil. 



Scotland :— Ben Lawers. Dr. Holl. Trossachs ; Killin ; Ben Lawers ; Craig 

 Tulloch; The Khoil. Bev. J. M. Crombie. 



Ireland : — Kylemore ! co. Galway. Mr. Larbalestier. 



Wales : — Llyn Gwernan, Dolgelley. Dr. Hott. Nant Gwynant ! Snowdon. 



"Spores .018—20 mm. long, .010—11 mm. broad." (Nyl.) "Apotheciis 

 rosellis " — not to be confounded with L, lacustris, With. Spores .0165 mm, 

 long, .011 mm. broad, 



