OF GREAT BRITAIN. 271 



Channel Islands :— Fort Essex ! Alderney. Mr. Larbalestier. 

 " Spores .0025— .003 in. long, by .00125 to .0015 in. broad." (Mudd). Spores 

 .0115— ,014 mm. long, .007— .008 mm. broad, 



82. L. viridans, Fw. pale-sulphur-colour, effuse, thin, minutely 

 granulose, (K yellow C orange-red) ; apotliscia black, moderate, 

 innato-sessile, more or less' duskily-virido-pruinose, plane, at length 

 convex, margin thin, smooth, entire ; hypothecium pale-fuscescent ; 

 spores 8, colourless, elliptico-oblong, simple. 



On subalpine rocks, frequent. 1875. 



Stn :— Flotow in Flora 1828. p. 697. Krbr. S. L. G. 242. Par. 213! 



Fig :-Hepp Sporen t. 84. f. 726. 



Exs :— Zw, 203. Hepp 726. and 133. left hand specimen. Anzi Langob. 155. 

 Leight. 331. 



Geog. Distrib :— Germany, Italy. 



Bot. Prov :— 5. ..7. 



England ;— Lyth Hill ! Shropshire. 



Wales :— Y Fegle Fawr near Barmouth ! (1875.) 



The apothecia, when moistened, appear paler and transparent, owing to the 

 pale hypothecium, surrounded by a dark ring, " humectatis disco liyalmo." Flot. 

 1. c. Spores 1J — 2 longer than broad. 



forma nigrita, Leight. similar to the type, but dark and nigri- 

 cant, from the predominating black hypothallus. 

 On subalpine rocks, frequent. 1856. 



Bot. Peov :— 5. 



England :— Cowcombe ! Gloucestershire. Mr. Joshua. Haughmond Hill ! 

 Shropshire (1856.) 



83. L. enterochlora, Tayl. pale-sulphur-colour, effuse, thin, 

 closely appressed, smooth, rimulose, eventually breaking up into a 

 sorediate state, (K yellow C orange-red) ; apothecia black, moderate, 

 innato-sessile, plane, at length convex, margin thin, smooth, entire, 

 often flexuose, eventually obliterated ; hypothecium rufo-fuscous ; 

 spores 8, colourless, elliptico-oblong, simple. 



On subalpine and maritime rocks, frequent. 



Stn : — Tayl ! in herb. Borrer. L. subviridans, Nyl. 



Exs :— Leight. 299. Zw. 238. 



Geog. Distrib : — Sweden, Germany, Italy. 



Bot. Prov:-1...5, 6, 7.. .10, 11.. .19, 20 ..26. 



England :— Cliffrig! Cleveland. Mr. Mudd. Durham! Mr. Robertson. Stony 

 Valley, Torquay, Devon ! Dr. Deakin. Grinshill ! Shropshire. 



Ireland : — Derriquin ! Dr. Taylor. Cork ! Mr. Carroll. Ruins at Cleghan 

 near Kylemore, Lettermore ! and Lough Teagh ! Mr. Larbalestier. 



Wales : - Aberdovey ! Rev. A. Bloxam. Barmouth ! Y Fegle Fawr ! near 

 Barmouth, between Fishguard and Llanachar ! Pembrokeshire. 



This and the two preceding species may be possibly only states of one and 

 the same lichen. Spores .013— .014 mm. long, .0075 mm. broad. 



84. L. sublatypea, Leight. whitish or albido-ciner ascent, tartareous, 

 suh-areolato-granulose, or unequally granulose, more or less dis- 

 persed, (K — C) ; apothecia nigro-fuscous, numerous, scattered, 

 sessile, concave, margin thickish, prominent, elevated, somewhat 

 polished ; hypotliecium nigro-fuscous ; hymenium and epithecium 

 dark-bluish-black; paraphyses crowded, indistinct ; spores 8, colour- 

 less, ellipsoid, simple, small. 



On alpine rocks, rare. 1870. 



Exs j— Crombie 88. 

 Geog. Distrib :— Europe. 



