280 



THE LICHEN-FLOKA 



110. L. mollis, (Whlnb.) cinereous or pallido-fusco-ciner ascent, 

 rimuloso-areolato-diffract, areolae minutely albo-verrucose, convex, 

 nigro-limitate, (K yellow C yellow) ; apothecia fuscous-ilack or black, 

 superficial, plane, margined, whitish within ; hypotheciwn colourless ; 

 spores 8, colourless, ellipsoid, simple ; paraphyses distinct. 



On mountain rocks, not unfrequent. 



Syn:— Whlnb. Lapp. 172. (1812.) Nyl. Scand. 223. 



Exs :— Eellm. 180. Mudd 168. Am. 262. Leight. 302. 



Geog. Dtrtrtb :— E. Lapland, Norway, Germany. 



Bot. Pbov:— 5...7...10...15. 



England : — Kildale Moor ! Battersby ! Cleveland. Mr. Mudd. NesscUffe 

 Will ! Caer Caradoc ! Shropshire. 



Scotland : — Braemar ; Breadalbane. Bev. J. M. Crombie. 



Wales :— Barmouth ! 



" Spores .007 — 8 mm. long, .005 — 6 mm. broad. Gelatina hymenea I slightly 

 blue, then vinous-violet, especially the solid apices of the thecse." (Nyl. ) " Spores 

 .007—9 mm. long, .005—6 mm. broad." (T. M. Fr. ) 



111. L. mesotropa, Nyl. cinerascent, verrucoso-areolato-difract, 

 areolae plano-convex, sub-squamose around the apothecia, indeter- 

 minate, (K — C reddish) ; apothecia fuscous-black or nigricant, opake, 

 somewhat plane, adnate to the areolae, margin obtuse or evanescent, 

 whitish within ; hypothecium colourless ; epithecium fuscescent ; 

 spores 8, colourless, ellipsoid, simple ; paraphyses slender, indis- 

 tinct. 



On mountain schistose rocks, rare. 1867. 

 Syn :— Nyl. in Flora 1867. p. 328. Crombie En. 81. 

 Geog. Distrtb : — Europe. 

 Bot. Peov : — 15. 



Scotland : — Ben Lomond ! (Jraig Tulloch. Rev. J. M. Crombie. (1867.) 

 " Spores 0.009— 0.013 mm. long, 0.005—6 mm. broad." (Nyl.) Spores .012 

 mm. long, .006 mm. broad. 



112. L. inserena, Nyl. darkly cinereous, rimoso-areolate or 

 areolato-granulose, areolae often scattered, hypothallus black, very 

 conspicuous ; apothecia black, plane ; hypothecium with an opake 

 white stratum in the lower portion; epithecium cterulescenti- 

 fuscescent; spores 8, colourless, ellipsoideo-oblong, simple; 

 paraphyses indistinct; gelatina hymenea caerulescent, then violet, 

 especially the thecal, with iodine. 



On quartzose mountain rocks, rare. 

 Resembling L. tenebrosa * tumidior, Nyl. 

 Syn :— Nyl. in Flora 1869. p. 84. En. 85. 

 Geog. Disted3 : — Europe. 

 Bot. Pkov : — 15. 



Scotland :— Craig Guie, Braemar. Rev. J. M. Crombie. (1869.) 

 "Spores .014—17 mm. long, .006—8 broad." (Nyl.) 



113. L. coarctata, (Sm.) whitish or cinerascent, thin, rimulose 

 or areolato-granular or siib-continuous or leprose, (K faint yellow 

 or — C red) ; apothecia fuscous, fusco-rufescent or blackish, small, 

 scattered, innate or sessile, often with a white pulverulent, coarctate, 

 spurious thalline margin ; hypothecium colourless ; spores 8, 

 colourless, ellipsoid, simple, large. 



A very variable lichen, the principal forms of which are detailed below 

 "Spores .014— 26 mm. long, .007— 12 mm. broad." (T.M. Fries.) "Spores 014-^- 

 20 mm. long, .007—11 mm. broad." (Nyl.) "Spores .0035— .00425 in. lone bv 

 .00175 in. broad." (Mudd.) **' * 



