OF OBEAT BRITAIN. 217 



Channel Islands :— Near Fort Essex, Alderney ! L3 Moye, Jersey ! Mr 

 Larbalestier- 



"Not unlike Lecidea coniops in external appearance, but a true Lecanora 

 Spermogonia black, punctate, with arthrosteriermata and slightly bacillar sper" 

 matia. "Spores .015— 20 mm. long, .008— 10 mm. broad." (Nyl.) Nearly 

 allied to L. atrocimerea, Dicks., but differing in the flat plane areolse of the 

 differently coloured thallus. Spores .021 mm. long, .012 mm. broad. 



99. L. nivalis, (Korb.) whitish or albido-cinerascent, very thin 

 or slightly granulate ; apothecia crowded, ochraceous or aurantiaco- 

 ochraceous, biatorine, plane, small, proper margin somewhat darker, 

 thalline margin obsolete ; spores 8, cylindraceo-oblong, or cylindrical, 

 simple or faintly 1-septate ; apothecia K dark crimson. 



On decaying moss among alpine rocks, rare. 1864. 

 Externally like L. fulvoltdea, Nyl. 



Sra :—GaUopima, Korb. S. L. G, 127. (1855.) Lecanora fusco-luteolina, Mudd 

 Man. 153. Lecanora nivalis, Nyl. Lapp. Or. 129. 



Geog. Distrib :— Eastern Lapland, Greenland. 



Bot. Prov : — 15. 



Scotland :— Ben Lawers ! and Maelgrae ! Adm. Jones. Ben Cruachan. Rev. 

 J. M. Crombie. 



Externally like L. fulvolutea, Nyl. " Spores .005 to .006 in. long, by .001 in 

 broad." (Mudd.) "Spores .028— 38 mm. long, .005— 7 mm. broad. ' (Nvl\ 

 " Spores .024—38 mm. long, .005—7 mm. broad." (T. M. Fr.) 



100. L. Hutchinsice, Nyl. pallido-cinerascent or flavido-cineras" 

 cent, thin, rimose or rimuloso-diffract (K — C — ) ; apothecia rufo' 

 testaceous, convex, biatorine ; spores 8, colourless, fusiform, 1-sep" 

 tate ; paraphyses thick, somewhat articulate ; hypothecium colour" 

 less ; gelatina hymenea cserulescent with iod. 



On maritime schistose rocks, rare. 



Syn .— Nylander in Flora 1867. p. 326. 



Geog. Distrib : — Europe. 



Bot. Prov: -I... 6.. .19.. .26.. .31. 



England : — Penzance. Mr Gurnow. . 



Ireland : — South of Ireland. Miss Hutchins. Kin vyle ! oo. Galwray ; Dawros 

 Salrock ! Mr. Larbalestier. 



Wales : — Goodwick Bay ! Pembrokeshire. 



Channel Islands : — La Moye, Jersey. Mr. Larbalestier. 



" Spores .010— 12 mm. long, .0025— .0035 mm. broad. Spermatia arcuate" 

 (JfyZ.) Spores .013—014 mm. long, .003— .004 mm. broad. 



forma bellissima, Leight. apothecia pallido-rosaceous, slightly 

 pruinose. 



On ruined walls, very rare. 1877. 



Bot. Prov :— 26. 



Ireland: — Ruin at Cleghan ! near Kylemore: Mr. Larbalestier. (1877.) 



101. L. holophcea, (Mnt.) cervino-castaneous or fuscous, cart- 

 ilagineo-membranaceous, squamulose, squamidw concave, plicato-un- 

 dulate, rotundato-incised, ascending, flexuose, pale beneath ; apoth- 

 ecia erumpent, appressed, fuscous-black, plane, thalline margin 

 naked, very entire ; spores 8, colourless, oblongo-fusiform, 1-sep- 

 tate. 



In the fissures of maritime rocks, rare. 



Stn :— Montagne Lich. Canar. 113. (1840.) Sylloge 332. Crombie Enum, 48, 

 Lecidea sublurida, Nyl. En, Sup. 337. 

 Exs :— Leight. 380. 

 Geog. Distrib : — Canaries. 

 Bot. Prov:— 1.., 5.. ,19, 20.. ,24.. ,30, 31. 



