810 THE LICHEN-FLORA 



darkly-fuscescent ; epithecium diluto-nigrescent ; spores 8, colourless, 

 oblong, simple or with an obsolete septum ; paraphyses moderate, 

 distinct, apices sub-clavato-incrassate, nearly colourless ; gelatina 

 hymenea scarcely tinged with iodine. 

 On chalky earth, rare. 1865. 



S-nr : _Nyl. in Flora 1865. p. 604. Crombie En. 92. 

 Geoq. Distbib : — Europe. 

 Bot. Pbov :— 2. 



England : — Near Lewes on the Sussex Downs. Adm. Jones. (1865.) 

 Systematically near L. negUcta, NyL Spores .009 — .011 mm. long, .003 mm. 

 broad. {Nyl.) 



182. L. jurana, Schser. white, tartareo-farinose, unequally dis- 

 perso-granulose or evanescent ; apothecia superficial, sessile, scattered 

 or aggregate, black, at first concave, then plane, margin thick, 

 prominent, flexuose, internally black; hypothecium and epithecium 

 black ; thalamium hyaline ; spores 8, colourless, ellipsoid, simple ; 

 paraphyses distinct ; gelatina hymenea blue with iodine. 



On calcareous rocks, not common. 1869. 



Syn :— Schser. Enum. 123. (1850.) Nyl. Prodr. 125. 



Exs :— Anzi Langob. 356. Am. 10. Zw. 239. Korb. 253. 



Geoq. Distbib :— Lombardy, Hungary, Germany, Sweden, Norway, Pyrenees. 



Bot. Pbov:— 5, 6, 7.. .15. 



England :— Ilanymynech Hill ! Shropshire. 



Scotland : — Castleton of Braemar. Bev. J. M. Crombie. 



Wales : — Llyn Aran ! Iiyn-y-Cae ! Caderldris. (1869.) Crib Coch ! Snowdon. 

 Cwm Cywion ! Cwm Idwal ! Tanybwlch wood, Capel Curig ! Aran Mowddwy ! 

 North Cliff, Tenby ! Barmouth ! 



Possibly only a variety of L. ctmtigua. " Spores .016 — 18 mm. long, .010—11 

 mm. broad." {Ifyl.) "Spores .012— 16mm. long, .007— 8mm. broad." (T.M. 

 Fries.) Spores .017 mm. long, .008 — 9 mm. broad. 



183. L. fusco-rubens, Nyl. ciner ascent, very thin, effuse, granu- 

 loso-unequal or evanescent ; hypothallus fuscous ; apothecia not very 

 numerous, scattered, sessile, fuscous-black, plano-convex, immarginate, 

 internally fuscous ; hypothecium thick, fuscous ; epithecium pallido- 

 rufescent; spores 8, colourless, ellipsoid or globoso-ellipsoid, 

 simple. % 



On alpine rocks, rare. 



Sra :— NyL Animad. Scand. in Bot. Notis. 183. (1853.) Prodr. 106. Scand. 



199. 



Geoo. Distbib : — Sweden, Norway, Europe, Canaries. 

 Bot. Pbov: — 15. 



Scotland :— Ben Lawers ; Craig Guie ; Craig Tulloch. Rev. J. M. Cremhie. 

 " Near L. sanguineo-atra, Ach. Spores .010—14 mm. long, .007—9 mm. 

 broad." (Nyl.) 



184. L. calcivora, (Ehrh.) greyishwhite or white, thin, effuse, 

 evanescent ; apothecia small, scattered, calcivorous, foveolato-immersed 

 in the rock, black, csesio-pruinose or naked, internally cinerascent 

 in the middle ; margin thin, evanescent ; hypothecium fuscescent 

 below ; spores 8, colourless, elliptico-oblong, simple, granulate ; 

 paraphyses indistinct; gelatina hymenea blue then vinous-red 

 with iodine. 



Op. calcareous rocks, frequent 1794, 



