OF GREAT BRITAIN. 459 



England :— Malham, Yorkshire. Dr. Carrington. Land's End. Mr. Holmes. 



Scotland : — Burgh Head in Island of Stronsa ! Orkneys. Messrs. Borrer <fc 

 Hooker. (1808.) summit of Ben Lawers ! Mr. Borrtr. Craig Guie. Rev. J. M. 

 Crombie. 



Ireland : — Cleghan, Connemara. Mr. Larbahstier. 



Channel Islands : — Grosnez Common, Jersey. Mr. Larbalestier. 



"Spores .003 to .004 in. long, by .0015 to .00175 in. broad." (Mudd.) 

 " Spores .016-23 mm. long, .007— .010 mm. broad." (Nyl.) Spores .020— .0225 

 mm. long, .009 — .011 mm. broad. 



Var. cartilaginea, Nyl. cinereo-pallescent or fuscescent, squa- 

 mulse firmer, sub-imbricate, sub-lobate, like the thalline leaflets of 

 Cladonia pyxidata v. pocillum ; peritheoium colourless. 



On the earth, rare. 1866. 



Stn :— Nyl. Coll. Gall. Mer. Pyr. 8. (1853.) Pyren. 18. Soand. 268. Carroll in 

 Seem. Journ. Bot. 4. 34. 

 Exs :— Korb. 97. Arn. 78. 



Geog. Disthib : — Germany, Pyrenees, Sweden, Bavaria. 

 Bot. Pkov : — 15. 

 Scotland : — Summit of Ben Lawers. Mr, Con-roll. (1866.) 



B. Spores 1-septate. 

 * Perithecium dimidiate. 



36. V. cataractarum, (Mudd.) greyish-green, very thin, sub- 

 leprose or evanescent ; apoihecia nigro-fuscous, minute, nearly sessile, 

 sub-globose, internally pale ; perithecium dimidiate ; paraphyses 

 none ; spores 8, colourless, elliptico-oblong, 1-septate, moderate ; 

 gelatina hymenea vinous-red with iodine. 



On rocks in streams, rare. 



Syn :— Mudd Man. 294. excl. syn. (1861.) 



Exs :— Mudd 281. 



Geoo. Distkib : — Europe 



Bot. Pkov :— 6.. .10.. .19.. .23. 



England : — Near Ayton ! Cleveland. Mr. Mudd. 



Ibeland : — Kosscarbery, Cork ; Connor Cliffs and Blaokwater Bridge, Kerry. 

 Mr Carroll. Portrane. Dr. Moore. 



Wales : — Moel-y-gest ! 



" Spores .005 to .008 in. long, by .002 to .00275 in. broad." (Mudd.J Spores 

 .021 mm, long, .015 mm. broad. 



87. V. mesotropa, Nyl. pale, thin, unequal ; apoihecia black, 

 somewhat turgid ; perithecium convex, dimidiate, black ; epithecium 

 indistinct ; spores 8, colourless, ovoid or ovoideo-oblong, 1-septate, 

 very small ; paraphyses none ; gelatina hymenea vinous-red with 

 iodine. 



On sub-alpine rocks, rare. 1866. 



Stn :— Nyl. Flora 1866. p. 419. Leight. in Ann. and Mag. Nat. Hist. June 

 1867. 



Geog. Distbib : — Europe. 



Bot. Peov:— 5... 7. 



England : — Llanymyneoh Hill ! Shropshire. 



Wales :— Llyn Aran ! Cader Idris. (1866.) Trefriw ! 



" Spores .012—17 mm. long, .005—6 mm. broad." (Nyl.) Spores .014— .017 

 mm. long, .004 — 006 mm. broad. 



38. V. Borreri, Leight. smoky-grey, somewhat pruinose, tar- 

 tareous, continuous or rimulose, nigro-fusco-limitate ; apoihecia 

 black, hemisplierical, truncate, prominent, basally immersed, rathey 



