OF GREAT BRITAfN. 



451 



into -low warty elevations around the apothecia, sub-determinate ; 

 apothecia dull-black, large, more or less numerous and crowded, 

 hemispherical, thin, apices generally visible, though sometimes 

 covered by the thailus, their basal circumference surrounded by 

 the scaly elevations of the thailus ; perit/ieciiim dimidiate, spreading 

 at t/ie base ; paraphyses none ; spores 8, colourless, oblong, simple ; 

 gelatina hymenea vinous-red with iodine. 

 On calcareous rocks, frequent. 



Syn:— Pers. in Ust. Ann. Bot. st. 14. p. 36. (1795.) Leight. Ang. Lich. 63. 

 Mudd Man. 289. 



Fig :— Leight. Ang. Lich. t. 27. f. 1. 



Exs :— M. & N. 1065. Mudd 277 Scnser. 439. Anzi It. S. 365. 366 . 



Geog. Disteib :— Sweden, Germany, Switzerland, France, Aus tria, Italy, 

 Algeria, Africa, N. America. 



Bot. Pbov :— 1, 2, 3.. .5, 6, 7, 8...10...15...17...(19— 30)...31. 



England:— Sussex ! Mr. Borrer. Carlton Bank! Cleveland. Mr. Mudd. 

 Gopsal ! Leicestershire. Rev. A. Bloxam. Torquay ! Dr. Deakin. Isle of Wight ! 

 Penzance ! Lamorna ! Cornwall. Rev. T. Salwey. Kelvedon, Essex. Mr. 

 Varenne. Plymouth ; Otford, Sevenoaks, Maidstone, Kent. Mr. Holmes. Ciren- 

 cester Park. Mr. W. Joshua. Bromsgrove Lickey ! Worcestershire ; Ludlow ! 

 Steeraway ! Wrekin ! Shropshire. 



Scotland : — Near Aberdeen, Stirling ; Craig Guie ; Morrone ; Craig Tulloch. 

 Rev. J. M. Crombie. 



Ireland : — On calcareous rocks. Mr. Carroll. Mullaghglass ! Galway. Mr. 

 Larbalestier. 



Wales :— Penmaenmawr ! Trefriw ! Nevin ! Gimlet Kock I Pwlhelli ; Y Fifjle 

 fawr ! near Barmouth ; Fishguard Bay ! Harlech Castle ! 



Channel Islands : — Common on all the Islands. Mr. Larbalestier. 



"Spores .005 to .0055 in. long, by .002 to .00275 in. broad." (Mudd.) 

 Spores .019 — .024 mm. long, .009 mm. broad. 



16. V. fuscoeinerascens, Nyl. dark-brown or reddish-brown, thin, 

 crustaceous, minutely rimuloso-areolate, uneven, raised into low 

 warty elevations around the base of the apothecia ; apothecia dull- 

 black, large, scattered, hemispherical, apices visible ; perithecium 

 dimidiate ; paraphyses none ; spores 8, colourless, oblong, simple, 

 often binucleolate or spuriously 1 -septate. 



On micaceous schistose rocks, rare. 1875. 



Stn :— Nyl. in Flora 1876. p. 310. 



Bot. Pkov :— 26. 



Ireland: — Dawros River! Connemara. Mr. Larbalestier. (1875.) 



"Allied to V. fusconigrescens, (Nyl.) Spores. 022 — 27mm.',long, .0U8— 10 mm. 

 broad." (Nyl.) Spores .0255 mm. long, .011 mm. broad. Apparently only a 

 state or form of V. nigrescens, (Pers.) 



17. V. aquilella, Nyl. lurido-fuscous or somewhat dun colour, 

 minutely areolate or areolato-granulate, thin ; apothecia black, naked, 

 rugulose ; perithecium dimidiate ; spores 8, colourless, ellipsoid, 

 simple ; paraphyses none. 



On micaceo-schistose rocks, rare. 1876. 



Svn :— Nyl. in Flora 1876. p. 237. 



Hot. Pbov:— 5, 6, 7... 26. 



England : — Artington, Gloucestershire. Mr. Joshua. 



Ibeland : — Lough Inagh ! Connemara. Mr. Larbalestier. (1875.) 



Wales :— Tenby, north cliff ! (1871.) Nevin ! Penmaenmawr ! Dolgelley ! 



"Spores .018— .22 mm. long, .007—9 mm. broad. Compare with V. urn- 

 brinula, Nyl. in Flora 1870. p. 37., from which it differs in the firmer and not 

 subleprose thailus." (Nyl.) Surely only a var. or state of V. nigrescens. 

 Spores .021 — .024 mm. long, .010 mm. broad. 



