OF GREAT BRITAIN. 251 



"Externally somewhat resembling L. furvetta, but belonging to the section 

 of L. petrosa. Spores .011—12 mm. long, .009 mm. broad." (Nyl.) Spores 

 .012 -.013 mm, long, .0055—007 mm. broad. 



30. L. ochracea, (Hepp.) oehraceo-fuscescent, thin, furfuraceous, 

 (K — C — ) ; apotheciablack or fuscous Hack, plane, sessile, with a 

 thinner darker polished margin ; hypothecium fulvo-fuscescent, paler 

 upwards ; paraphyses indistinct, apices colourless ; spores 8, 

 colourless, lineari-oblong, simple. 



On rocks, not common. 1876. 



Stn :— Hepp Burop. 263. 

 Pig :— Hepp t. 29. f. 263. 

 Exs :— Hepp 263. Lojka Transylv. 2344. 

 Geog. Disteib: — Germany, Transylvania. 

 Bot. Pbov :— 26. 



Ireland :— Near Kylemore and Mweelan ! Ballinahinch ! Twelve Pins ! 

 Connemara. Mr. La/rbalestier. (1876.) 

 Spores .014 mm. long, .008 mm. broad, 

 f. ecrustaca. Ravine near Lough Eeagh, Galway. Mr. Larbalestier. (1877.) 



31. L. pungens, Korb. whitish, furfuraceous, thin, effuse, almost 

 evanescent ; apothecia black, plane, crowded, vjith a black obtuse mar- 

 gin ; excipulum black, thin ; hypothecium pale-brownish ; paraphyses 

 distinct, apices blackish ; spores 8, colourless, broadly-oblong, 

 simple. 



On rocks, rare. 1876. 



Stn :-E:orb. Par. 161. (1865J 



Geog. Distbib :— Germany, Sweden. 



Bot. Pbov:— 26. 



Ireland: — Coast near Kylemore ! Galway. Mr. Larbalestier. (1876.) 



Spores .016—017 mm. long, .0095 mm. broad. 



32. L. picila, (Mass.) dirty-yellowish-white, thin, effuse, furfura- 

 ceous, farinose ; apothecia black, sessile, plane or hemisphcerical- 

 marginate, eventually obliterate ; when wetted transparent-pale- 

 brown; hypothecium black; paraphyses distinct, cohserent, apices 

 pale ; hymenium colourless ; spores 8, colourless, lineari-ellipsoid, 

 simple. 



On rocks, rare. 1876. 



Stn:— Mass. Misc. 38. (1856.) 



Exs :— Am. 73. 



Geog. Distrib : — Germany. 



Bot. Prov :— 26. 



Ireland : — Twelve Pins, Connemara. Mr. Larbalestier. (1876. ) 



Spores .013-.0155 mm. long, .004—005 mm. broad. 



t+ Hypothecium fuscescent. 



33. L. advertens, Nyl. olivaceo^nigricant, indeterminate, thin, 

 furfuraceous, byssoid ; apothecia black, minute, at length sub-convex 

 and. immarginate, concolorous within ; hypothecium black or fus- 

 cous-black ; spores 8, colourless, ellipsoid, simple, small ; para- 

 physes indistinct ; gelatina hymenea caerulescent with iodine. 



On calcareous alpine rocks, rare. 1866. 



Stn :— Nyl. in Flora 1866. p. 419, 

 Geog. Disteib : — Europe. 

 Bot. Pbov :— 6, 7... 26, 



