474 



THE LICHEN-IXOKA 



sessile, internally pale ; perithecium dimidiate ; spores 8, colour- 

 less, fusiform, 3-septate. 



On trees, mountain-ash, sweet chestnut, holly, calluna vulgaris, 

 frequent. 



Syn :— Scheer. Spioil. 342. (1833.) V. fusiformis, Leight. Ang. Lich. 42. (1851.) 

 Mudd Man. 301. 



Fig :— Leight. Ang. Lich. t. 18. f. 2. 



Ex s ; _r Je ight. 99. Mudd 289. Zw. 39. B. D. 40. 42. 43. Am. 181. 242. M. & 

 N. 855. Sohar. 525. Bohl. 82. Babh. 759. Nyl. 96. 



Geog. Distrib : — Germany, Bavaria, Switzerland, Sweden, France, Fyre- 



11 Bot. Prov :— 1, 2, 3.. .5, 6, 7, 8...10...19...26. .28 ..31. 



England :— Sowerdale ! Airyholme Wood ! Newton Wood ! Cliffrigg ! 

 Cleveland. Mr. Mudd. Yoxall ! Rev. Prof. Ch. Babington. Bed hills, Exeter. 

 Mr. Parfitt. Colne Engaine, Essex. Mr. Varenne. Sussex ! Mr. Borrer. Shelton 

 Bough ! near Shrewsbury. Norton Camp ! Holly Park ! near Stokesay. Castle 

 Hill Plantation ! near Acton Scott. 



Ireland : — Castlebernard Park ! Bandon ; Douglas near Cork ; Dunscomb's 

 Wood. Mr. Carroll. Armagh Demesne. Adm. Jones. Doughruagh Mountain ! 

 Kylemore Lake ! Tullywee Bridge ! co. Galway, Mr. Larbalestier. 



Wales : — Barmouth ! Gloddaeth ! Carnarvonshire. Bettws-y-coed ! Trefrivv ! 

 Builth ! Ben Cow ! near Fishguard, Pembrokeshire. 



Channel Islands : — Belcroute Bay, Jersey. Mr. Larbalestier. 



Spores, 018 — .020 mm. long, .0045 mm. broad. 



77. V. pyrenophora, Ach. mouse-coloured, very thin, tartareous, 

 continuous or rimulose, effuse, determinate ; apothecia black, large, 

 very prominent, sessile, conoideo-sub-truncate, internally pale ; 

 perithecium dimidiate ; epithecium depressed, nrnbilicate ; para- 

 physes none j spores 8, colourless, broadly lineari-oblong, 3-septate ; 

 gelatina hymenea vinous-red with iodine. 



On alpine rocks, borders of lakes, and in running streams, rare. 



Syn :— Ach. L. U. 285. (1810.) Syn. 94. Leight. Ang. Lich. 76. and 54. 



Fig :— Leight. Aug. Lich. t. 23. fig. 4. 5. 6. 



Ess :— Leight. 139. Arn. 131. Hepp 97. 98. Anzi Langob. 286. 



Geog. Distrib : — Switzerland, Sweden, Pyrenees, Austria, Hungary. 



Bot. Brov :— 1...5 ..7 ..11, 12...15.-.19...24 . 26.. .28. 



England: — Nent Force ! Cumberland. Mr. Robertson, Hartlepool, Durham. 

 Mr. Mudd. Starcross, Devon. Mr. Pa/rfitt. Oaksey, near Cirencester, Mr Joshua. 

 Craigforda ! Shropshire. 



Scotland : — Ben Lawers and Craig Guie, Craig Tulloch. Rev. J. M. Crombie. 



Ireland : — Barnaghee Mountain ! Dr. Taylor. Armagh. Adm. Jones. Boss- 

 carberry, Cork : Dromoland, Clare ; Ballaghbeama Gap ! Kerry. Mr. Carroll. 

 Ballynakill churchyard walls ! Lough Muck ! Lough Feagh ! Galway. Mr. 

 Larbalestier. 



Wales :— Llyn Aran ! Cader Idris. (simple, 1 & 3-septate) Trefriw 

 falls ! 



" Spores .008 to .009 in. long, by 003 to .004 in. broad." (Mudd.) Spores 

 .029— .043 mm. long, .016 mm. broad. 



78. V. microcarpa, Dav. whitish, farinose or evanescent ; 

 apothecia black, very minute, solitary or congregated, hemispheri- 

 cal, sessile ; perithecium dimidiate, black ; epithecium poriform ; 

 paraphyses none; spores 8, colourless, broadly elliptico-oblong, 

 3-septate, f less than those of pyrenophora ; gelatina hymenea 

 vinous-red with iodine. 



On chalk, rare. 



Syn : — G. Davies MS. in Herb. Borrer. 

 Geog. Distrib : — Europe. 

 Bot. Brov :— 2. 



