OF GREAT BRITAIN, 293 



black ; spores 8, colourless, ellipsoid, simple ; paraphyses distinct, 

 moderate ; gelatina hymenea I vinous-reddish. 



On dry argillaceous schistose maritime rocks, rare. 1876. 



Syn :— Nyl. in Mora 1876. p. 307. 



Bot. Phov ;— 26. 



Ieeland :— South side of Killery Bay, Connemara. Mr. Lmrbalestitr. (1876. ) 



"Spores .011— 12mm. long, .006—7 mm. broad. Belongs probably to the 

 section of L. confusula, Nyl. The thallus entirely green within, margin of 

 apothecia sometimes ceesio-suffused." (Nyl.) 



1 42. L. Iwteo-atra, Nyl. dirty-yellowish, minutely areolato-difract, 

 the dark hypothallus appearing between the areolae, areolae dirty- 

 yellowish, plane, more or less dispersed, (K — C pale-yellow) ; apo- 

 thecia black, one or two innate in each areola, plane, immarginate ; 

 hypothecium colourless ; hymenium pale, paraphyses distinct, 

 cohserent, apices brownish-nigricant ; spores 8, colourless, lineari- 

 oblong, simple. 



On alpine rocks, rare. 



Bot. Pbov :— 15. 



Scotland : — Morrone ! Braemar. Mev. J. M. Crombie. 



Spores .012 — .013 mm, long, .0055 mm. broad. 



ft Hypothecium dark. 



143. L. fusco-atra, Ach. fuscous or chestnut-coloured or fusco- 

 nigricant or lurido-cinerascent, areolate, areolae gibboso-convex or 

 plane, smooth and shining (K yellow G red) ; apothecia appressed, 

 plane or convex, scattered or confluent, black, naked or sometimes 

 pruinose, margin thin ; hypothecium thick, black ; thalamium thin ; 

 spores 8, colourless, ellipsoid, simple, small. 



" Spores .010—16 long, .005—7 mm. broad." (Nyl.) " Spores .010—15 mm. 

 long, .005 — 7 mm. broad. Spermatia cylindrical, straight, I blue then violet or 

 red." (T. M. Fries.) Spores .011— .013 long, .0055—006 mm. broad. 



forma gibba, Wahl. chestnut-coloured, areola gibboso-convex, 

 smooth and shining. 



On alpine and mountain rocks, not common. 



Stn :-Whlnb. El. Lapp. 473. (1812.) Ach. Syn. 12. 



Fig :— HfEm. PL Lich. t. 54. f. 1. a. 



Exs :— Leight. 215. 239. Anzi Langob. 280. 



G-EOG. Disteib:— Sweden, Italy. 



Bot. Pbov:— 5...7...15...19...30. 



England :— Haughmond Hill ! Long Mynd ! Abdon Burf ! Caer Caradoc ! 

 Shropshire. 



Scotland :— Ben Lawers ; Morrone ; Craig Tulloch ; Hill of Ardo. Sev. 

 J. M. Cronibie. 



Ieeland :— Near Belfast. Mr. Templeton. Dunkerron. Dr. Taylor. South of 

 Ireland. Miss Hutchins. 



Wales : — Craig Aderyn ! near Towyn. 



forma/wjreosa, Ach. pallido-fuscescent, areolato-difract, areolae flat, 

 or slightly concave, angular, the edges raised up into a very thin 

 sharp margin, smooth and shining, (K yellow C red) ; apothecia 

 appresso-innate, plane, scattered or confluent, margined. 



On mountain rocks and stones, common. 



g TN : _Ach. Syn. 12. (1817.) Nyl. Scand. 230. 



Exs :— Leight. 216, 304. Zw. 136. Schaar. 470. M. & N. 461. Am. 191. Anzi 

 Venet. 173. 



