OF GREAT BRITAIN. 457 



Syn :— Aoh. Meth. 115. (1803.) Mudd Man. 292. V. patula, Leight. Aug. 

 Lich. 61. 



Fig :— Leight. Ang. Lich. t. 26. f. 1. 



Exs :— Fries 357. Th. M. Fries 25. Am. 174. 



Geog. Distbib : — Sweden, Bavaria, Switzerland, Italy, Austria, Hungary. 



Bot. Pbov:-1, 2, 3...5...8...23...31. 



England :— Sussex. Mr. Borrer. Madron ! Newlyn ! Cornwall. Rev. T. 

 SaZwey. Pennsylvania, Exeter. Mr. Parfitt. Kelvedon, Essex. Mr. Varenne. 

 Malvern. Mr. Lees, near Purton, Glostershire. Mr. W. Joshua. Hythe, Kent. 

 Mr. Holmes. Pulley ! Wolverley Bridge ! near Loppington ; Middle ! Bayston 

 Hill ! Burlton ! Shropshire ; Breedon Hill ! Leicestershire. 



Ireland : — Near Dublin. Adm. Jones. 



Channel Islands :— Jersey. Mr. Larbalestier. 



" Spores .018—28 mm. long, .011—14 mm. broad." (Nyl.) Spores .019—021 

 mm. long, .011 — .013 mm. broad. 



Var. subalbicans, Leight. greyish-white, very thin, continuous and 

 crumbly, effuse or evanescent; apoihecia black, numerous and 

 crowded, large, •prominent, semi-immersed, conical or hemispheri- 

 cal, more or less rugged and pruinose ; epithecium poriform, 

 dilated ; perithecium dimidiate, spreadingat the base, inner tunic 

 thin, black ; spores as in the type. 



On mortar, plastered walls, rocks, &c, frequent. 1851. 



Syn :— Leight. Ang. Lich. 56. (1851.) Mudd Man. 292. 



Fig :— Leight. Let. 25. f. 1. 



Exs :— Leight. 200. 



Geog. Distbib : — Europe. 



Bot. Pbov :— 1, 2— 7.. .10. 



England :— Sussex ! Mr. Borrer. (1851.) Kooky Valley ! Torquay. Dr. Deakin. 

 Ayton ! Cleveland. Mr. Mudd. Countess Weir Bridge, Exeter. Mr. Parfitt. 

 Malvern. Mr. Lees. 



Wales : — Cell-feohan ! Barmouth. Hev. T. SaZwey. Bangor ! 



Spores .017— .020 mm. long, .011 mm. broad. 



82. V. integra, Nyl. white or slightly greyish-white, thin, sub- 

 crustaceous, continuous, tartareo-sub-farinose ; apoihecia black, 

 numerous and crowded, moderate, semi-immersed, depresso-hemis- 

 pherical ; epithecium poriform, often dilated ; perithecium dimi- 

 diate, very thick, black, inner tunic black and tough ; paraphyses 

 none ; spores 8, colourless, broadly elliptico-oblong, simple, granu- 

 lar, large, double the size of those of V. rupestris. 



On sandstone, rare. 



Syn : — V. rupestris var. integra, Nyl. Prodr. 183. (1857.) Pyren. 31. Scand. 

 276. 



Geog. Distklb : — France, Scandinavia, Lapland. 



Bot. Prov:— 2. ..4. ..16.. .19. 



England : — Hurstpierpoint ! Sussex. Mr. Larbalestier. Luccomb Chine ! 

 Shanklin, Isle of Wight. Dr. Soil. Northamptonshire. Mr. Larbalestier, 



Scotland : — Appin ; Craig Tulloch. Bev. J. M. Crombie. 



Ibeland : — Near Cork. Mr. Carroll. 



"Spores .023—30 mm. long, .009— .015 mm. broad." (Nyl.) Spores .037 

 mm. long, .020 mm. broad. 



33. V. pulposa, Leight. thallus chroolepoid or evanescent ; 

 apoihecia nigricant, sub-sphosrical, pulpose, polished, prominent ; 

 epithecium indistinct ; perithecium dimidiate, nigricant ; spores 

 numerous, fuscous, oblong or irregularly globose, simple ; para- 

 physes very short, crowded ; gelatina hymenea untinged with 

 iodine. 



On old rails, rare, 1870, 



