OF GREAT BRITAIN. 463 



" Spores .0035 to .004 in. long, by .00175 to .002 in. broad." {Mudd.) " Spores 

 .012—27 mm. long, .006— .012 mm. broad." (Nyl.) Spores .021—025 mm. 

 long, .0115— .013 mm. broad. 



47. V. conformis, Nyl. albido-virescent, thin, effuse ; apothecia 

 black, small, semi-immersed ; ostiolum hemispherical ; epithecium 

 poriform, minute ; perithecium dimidiate ; paraphyses very long, 

 slender, distinct ; asci lineari-clavate ; spores 8, colourless, lineari- 

 ellipsoid, 1-septate, constricted in the middle. 



On trees, oak, gorse, elder, poplar, in sub-alpine regions, very 

 rare. 1864. 



Syn :— Nyl. in Mora 1864. p. 257. Crombie En. 119. 



Geog. Distrib : — France. 



Bot. Prov:— 6, 7.. .19.. .31. 



Ireland :— Upper Lake, Killarney. Mi. Carroll. (1864.) Ballinahinch ! co. 

 Galway. Mr. Larbalestier. 



Wales : — Trefriw ! Dolgelley ! Fort Hill ! near Fishguard, Pembrokeshire. 



Channel Islands :— MUlbrook, Jersey ! Mr. Larbalestier. 



Very similar in general appearance to V. biformis, but differing by the above 

 characters. The spores are in single series, with a tendency to separate at the 

 constriction in the middle, the contents of the cells have a tendency to separate 

 into two nuclei, and to become spuriously septate and even distinctly 3-septate. 

 Spores .015—018 mm. long, .005— .007 mm. broad. 



A form (f. rhypontoides, Nyl.) occurs with thallus dark-bluish-black at Noir- 

 mont, Jersey. Mr. Larbalestier. 



48. V. epidermidis, Ach. pale-yellow, very thin, smooth and 

 shining ; apothecia black, minute, sub-innate, sessile, hemispherico- 

 conoid ; perithecium dimidiate, depressed and spreading at the base ; 

 paraphyses more or less indistinct ; spores 8, colourless, lineari- 

 oblong, 1-septate, constricted, moderate. 



On birch, common. 



Syn :— Ach. L. U. 276. (1810.) Syn. 89. Leight. Ang. Lich. 40. Mudd Man, 

 303. 



Fig :— Leight. Ang. Lich. 1. 17. f. 3. 



Exs :— Nyl. 148. Anzi 384. Bohl. 63. 



Geog. Distrib : — Throughout the World. 



Bot.Prov:-1, 2.. .5.. .7.. .10, 11...15...(19— 30).. .31. 



England : — Sussex ! Mr. Borrer. New Forest ; Epping Forest. Rev. J. M. 

 Crombie. Oswestry ! Sev. T. Salwey, Ayton ! Cleveland. Mr. Mudd. Midland 

 Counties. Mr. Purton. Ragley Woods, Warwickshire. Rev. W. S. Bufford. 

 Northumberland and Durham. Mr. Winch. Plymouth. Mr. Holmes, near Cir- 

 encester. Mr. W. Joshua, in various places near Shrewsbury ! ! 



Scotland : — Highlands, frequent. Rev. J. M. Crombie. 



Ireland :— Common. Mr. Carroll. 



Wales : — Woods opposite Tanybwlch Hotel, Capel Curig ! 



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



Spores .020—021 mm. long, .0045— .005 mm. broad. 



Var. analepta; Ach. dark-olive or copper-coloured. 

 On oak, ash, birch, hazel, common. 



Syn :— Ach. Meth. 119. (1803.) Leight. Ang. Lich. 40. Mudd Man. 304. 



Fig :— E. Bot. 1. 1848. 



Geog. Distrib :— Throughout the World. 



Bot. Prov:— 1...5...10...19...31. 



England : — Boss Hall, ! Shropshire. Prof. Ch, Babington. Cliffrigg ! Hob- 

 hole ! Cleveland. Mr. Mudd. Haldon, Exeter. Mr. Parfttt. Midland Counties. 

 Mr. Purton. various places near Shrewsbury, Shropshire ! 



Ireland : — Dunscombe's Wood ! Glanmire ! Cork. Mr. Carroll. 



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



" Spores .005 in. long, by .0015 in. broad." (Mudd.) Spores .019 mm. long, 

 .006 mm. broad. 



