OF GREAT BRITAIN. 545 



On the earth among alpine rocks, very rare. 1842. 



Syn:— Sehrad. Journ. Bot. I. p. 74. (1801.) L. Wakleuoergii, Ach. Meth. 81. 

 Syn. 50. L. galbulaJXyl. Soand. 247. 



Pig :— Sturm D. Fl. t. 28. excL C. Hepp Sporeu t. 63. f. 549. Mass. Kio. f. 170. 

 . Exs :— Hepp 542. Sehaer. 166. Anzi Langob. 134. 



Geoq. Distrib : — Norway, Sweden, Lapland, Switzerland, E. Pyrenees, 

 Lombardy. 



Bot. Prov :— 15. 



Scotland : — " West side of Ben Nevis ! about three parts up, above Loch 

 Nevis, Invernesshire." Mr. F. Bairibridge (July 1842.) 



Lecidea mucosa, Stirt./«foows, gelatinous, or evanescent ; apothecia 

 fuscous or fuscous-black, somewhat plane, convex or almost sphcerical, 

 small, internally fuscescent or pallido-fuscescent ; hypothecium fus- 

 cous ; paraphyses conglutinate indistinct, apices colourless, not 

 clavate ; spores 8, colourless, ellipsoid, simple. 



On putrid wood, rare. 1878. 



Syn :— Stirton in Sfcott. Nat. Jan. 1879 p. 17. 

 Bot. Prov :— 15. 



Scotland : — near Ben Doran. Dr. Stirton. (1878. ) 



Spores .0075— .01 mm. long, .004— .0055 mm. broad. Gelatina hymenea I 

 blue then dirty, 



Lecidea insita, Stirt. parasitic, apothecia black, small, convex, 

 immarginate. generally nearly sphcerical, internally rufescent ; 

 spores 12-16, colourless, spharroid, simple; paraphyses distinct, 

 slender, filiform, apices rufous or almost colourless ; hypothecium 

 rufous or rufous-black. 



Parasitic on thallus of Peltigera aphthosa, 1878. 



Syn :— Stirton in Scott. Nat. Jan. 1879, p. 17. 

 Bot. Prov: — 15. 



Scotland : — Craig-na-Lochan. Dr. Stirton. 1878. 



Allied, perhaps too closely, to L, geophana. Gelatina hymenea I intense-blue, 

 then intense-vinous-red. 



Lecidea fucata, Stirt. cinereous, granulose, or evanescent ; apoth- 

 ecia black, round or oblong, or somewhat irregular, convex and 

 immarginate, internally entirely of an intense-violet colour, scarcely 

 changed by iodine, K cairuleo-virescent ; spores 1-3, colourless, 

 ellipsoid or oblongo-ellipsoid, simple, epispore thick and pellucid ; 

 hypothecium colourless. 



On decorticated wood, rare. 1878. 



Syn :- Stirton in Scott. Nat. Jan. 1879, p. 16. 



Scotland :— Near Tyndrum, Perth. Dr. Stirton. (1878.) 



Probably allied to L. meUna. K tinges the protoplasm of the mature spores 

 of a niBro-fulvaceous colour. Spores .032-.048 mm. long, .015-.022 mm. 

 broad. Paraphyses distinct, thickish, irregular. 



Opegrapha mirifica, Stirt. whitish or albido-cinerascent, thickish, 

 minutely rimulose, sometimes nearly granulose, sometimes farina- 

 ceous (K— C red but C alone—); apothecia black, moderate, 

 sessile, round or oblong, scattered or aggregate; epilhecium ccesio- 

 pruinose or naked, at first somewhat concave and then acutely 

 margined, at length plane, often somewhat convex and immar- 



