OF GREAT BRITAIN. 351 



" Allied to L. stjuamuloia, Deak. but distinct by the thallus externally like 

 that of Pannaria microphylla. Spores .013 — 16 mm. long, .0035 — .0040 mm. 

 broad. Gelatina hymenea I blue." (Nyl.) 



292. L. trachona, (Ach.) virescent, thin, leprose, minutely 

 areolate, (K — C — ) ; apothecia minute, sessile, black, scattered or 

 confluent, convex, margin obliterated; hypothecium black; para- 

 physes indistinct ; spores 8, colourless, lineari-oblong, 3-septate. 



On maritime rocks, rare. 1868. 



E Stn :— Verrucaria, Ach. Syn. 96. Nyl. in Flora 1864. p. 620. Crombie Enum. 

 71. 



Exs:— Zw. 117. 104. Kabh. 846. Larbal. 80. 



Geoq. Distbtb : — Germany, Sweden. 



Bot. Prov :— 31. 



Channel Islands : — Warren, Noirmont ! Jersey. Mr. Lwrbalestier. 



Snores .014 mm. long, .004 mm. broad. Spermatia long, slender, cylindrical, 

 straight or curved. 



293. L. carbonacea, (Anzi.) fuscous-black, sub-orbicular, thick, 

 glebuloso-diffract, squamules small, rugoso-convex, entire or inciso- 

 crenate, (K — C — ) ; apothecia small, black, sessile, solitary or 

 aggregate, plane, margined, eventually convex and immarginate ; 

 hypothecium thick, reddish-blaclc ; paraphyses distinct, apices black ; 

 spores 8, colourless, lineari-oblong, straight or curved, 3-septate. 



On calcareous rocks, rare. 1870. 



Syn -.—Tonmia, Anzi Cat. Sondr. 68. (1860.) Crombie Enum. 78. 

 Exs : — Anzi Langob. 115. 

 Geqg. Disteib : — Lombardy. 

 Bot. Pbov:— 15...26. 



Scotland : — Craig Guie, Braemar. Rev. J. M. Crombie. (1870.) 

 Ireland :— Recess Road five miles from Kylemore ! Mr. Larbahstier. 

 "Spores .0153— .0220mm. long, .004mm. broad." (Anzi.) Spores .015— 

 mm. long, .0045 mm. broad. 



294. L, delimis, Nyl. dark-greyish, verrucoso-granulate or rugose, 

 moderate, (K yellow C red), hypothallus subfimbriate, infuscate, 

 limiting the thallus ; apothecia black, at length convex, immarginate. 

 greyish-suffused, concolorous within ; hypothecium thick, black of 

 black-brown ; epithecium conspicuously coarsely granulate ; spores 8, 

 colourless, lineari-oblong or lineari-subfusiform, 3-septate ; para- 

 physes distinct; gelatina hymenea tawny- wine-coloured or some- 

 what reddish with iodine 



On granitic rocks, rare. 1873. 



Syn :— Nyl. in Flora 1873. pp. 289—300. 



Bot. Pbov :— 31. 



Channel Islands : —On east side of Mont Orgueil Castle, Jersey ! Mr. Lar- 

 balestier. (1873.) 



"BeloDgs to section of L. premnea. Spores .015—18 mm. long, .004— ,5 mm. 

 broad." (Nyl.) Spores .21 — 23 mm. long, .004 — 5 mm. broad. 



295. L. leucoblephara, Nyl. cinereo^virescent or cinerascent,mbAe- 

 terminate or indeterminate, thin, opake, (K y C — ) ; apothecia 

 fuscous-black or black, small, plane or somewhat place, with a while 

 lecanorine margin, internally nigricant ; hypothecium thick, nigro- 

 fuscous ; hymenium dusky-brown, paraphyses cohserent ; spores 8, 

 colourless, fusiform, 3-septate. 



On quartz rocks, very rare. 1877. 

 g TN : _Nyl. Nov. Gran. p. 52. (1863. & 1864.) 



