OF GREAT BRITAIN, 



403 



England : — Shanklin, Isle of Wight. Dr. Holl. Maidstone, Kent. Mr. 

 Holmes. 



Scotland : — Craig Guie, Grampians. Rev. J. M. Crombie.. 



Ireland : — Mangerton, Killarney. Mr. Carroll,. Kylemore Castle ! Mr. Lar- 

 balestier. 



Wales :— Betfrws-y-coed ! Llyn Geirionydd ! Trefriw ! Llyn Gwernan ! 



Channel Islands :— Boulay Bay ! Jersey. Mr. Larbalestier. 



Var. Persoonii, Ach. white or albicant, thin, opake, sub-leprose, 

 unequal ; lirellse oblong, small ; epithecium plicseform or at length 

 subdehiscent, often rugose and deformed ; spores 8, colourless, 

 fusiform, 3-septate. 



On calcareous rocks, rare. 



Syn : — Ach. Meth. 17. Lichen Persoonii, Ach. Prodr. 19. Nyl. Scand. 254. 

 (excl. Syn. Leight. Br. Graph.) 

 Geog. Distedj :— Sweden. 

 Bot. Prov :— 24. 



Ireland :— Kilkee, co. Clare. Mr. Carroll. 

 "Spores .021—25 mm. long, .006—7 mm. broad." (Nyl.) 



12. 0. grumulosa, Duf. white, fari?iaceous, thick, (K faint yel- 

 low, C red) ; apothecia caesio-pruinose, lanceolate or deformed, 

 normally marginate, internally black ; spores 8, colourless, oblongo- 

 fusiform, 3-septate. 



On rocks, rare. 



Syn :-Duf. Journ. Phys. 1848. vol. 87. p. 214. Nyl. Prodr. 152. 



Fig :— Grevillea 2. t. 26. fig. 2. 



Exs :— Zw. 9. 142. 144. Anzi Langob. 404. Anzi Venet. 82. 83. SchEer. 580. 



Geog. Distrib :— France, Germany, Italy, Algeria. 



Bot. Prov:— 1...31. 



England : — South Devon ! Prof. Dickie. Valley of Hocks, Mr. Holmes. 



Channel Islands : — La Coupe ; Bozel, Jersey. Walls of Old Nunnery, 

 Alderney. Mr. Larbalestier. 



" Spores .011 — 17 mm. long, .003—4 mm. broad." (Nyl.) Spores .018 mm. 

 long, .005 mm. broad. 



13. 0. contexta, Strn. rufo-cervine, thin, limited by the brown 

 hypothallus ; apothecia black, small, generally aggregate, gyroso- 

 plicate, almost lecideiform, internally cinereo-fuscous ; hypothe- 

 cium fuscous-black ; epithecium rimeeform ; spores 8, colourless, 

 fusiform, apices blunt, 3-septate, moderate ; paraphyses very in- 

 distinct ; lower half of hymenium I caerulescent then vinous-red. 



On elm, rare. 1874. 



Syn :— Stirton in Grevillea 3. p. 35. (1874.) 



Bot. Prov: — 15. 



Scotland : — Near Grantown, Inverness. Dr. Stirton. (1874.) 



"Spores .017— .025 mm. long, .0045 mm. broad." (Stirt.) 



14. 0. prosiliens, Strn. white or whitish, very thin, chrysogo- 

 nidic ; apothecia black, prominent, ovate or oblong ; epithecium 

 rimseform, margins prominent, rounded; spores 8, colourless, 

 fusiformi-ellipsoid, 3-septate, generally i^nucleate, surrounded by a 

 gelatinous halo, rather large ; paraphyses distinct, branched, apices 

 fuscescent ; gelatina hymenea I slightly-blue then vinous-red. 



On dead decorticated trees, rare. 1874. 



Syn :— Stirton in Grevillea 3. p, 36. (1874.) 



Bot. Prov :— 15. 



Scotland :— Near Grantown, Inverness. Dr. Stirton. (1874.) 



"Spores .02— .028 mm. long, ,006— .007 mm. broad." (Stirt.) 



