OF GREAT BRITAIN. 285 



A conspicuous form, but_ intermediate states maybe observed between this 

 and f. vera. Paraphyses distinct, apices fuscous, lateral excipulum colourless, 

 hypothecium central, dark fuscous. Spores with very thick epispore, double 

 the size of those of L. consentims, which this form externally assimilates. 

 Spores— .033 mm. long, .0175— .019 mm. broad. 



forma obliterata, Leight. thallus smooth, creamy, thin, effuse, 

 nearly denuded, probably by water, with cephalodia; apothecia 

 prominent, with conspicuous proper margin. 



On alpine rocks, rare. 1871. 



Bot. Peov :— 7. 

 Wales : — Cwm Cywion ! 



Hypothecium nigro-fuscous, thick ; paraphyses distinct ; spores 8, colourless, 

 with narrow epispore, .038 mm. long, .018 mm. broad. 



121. L. fusco-cinerea, Nyl. cinerascent or cinereo-fuscous, effuse; 

 rimoso-areolate, areolae often verruciform or tuberculate ; hypothallus 

 black ; apothecia closely appressed or adnate, plane, margin thin 

 prominent ; hypothecium nigro-fuscous ; paraphyses concrescent, 

 apices fuliginous very obtuse and thickly clavate ; spores 8, 

 colourless, oblong or ellipsoid, simple ; gel. hym. I slightly bine, 

 then vinous-red. 



On alpine rocks. 



Syn :— Nyl. Bot. Not. 1852 p. 177. T. M. Fr. Scand. 527. 



Fig :— Nyl. Obs. Lich. Holm. fig. 9. 



Exs :— Am. 114. 227. Fr. L. Suec. 406 C. 



Geog. Distrib : — Sweden, Norway, Finland, Germany. 



Bot. Pbov :— 7. 



Wales : — Cwm Idwal ! Llyn Geirionydd ! 



Externally like L. tenebrosa, but internally different. "Spores .009 — 14 

 mm. long, .006—10 mm. broad." (T. M. Fr.) "Spores .014—20 mm. long, 

 .007 mm. broad." {Nyl.) Spermatia shortly acicular, straight. Spores .012— 

 .015 mm. long, ,006 mm. broad. Medulla I reddish. Thallus K dirty-yellow C 

 reddish. 



122. L. Bruyeriana, (Schser.) pale-yellow, verrucoso-glebulose, 

 verrucse tumid, scattered or concrete, often evanescent, (K yellow, 

 C apothecia red but thallus yellow) ; apothecia large, sessile, concave, 

 fuscous or black, margin thick, incurved, entire or flezuose ; hypothe- 

 cium black; spores 8, colourless, ellipsoid, large, simple, granular; 

 paraphyses distinct ; gelatina hymenea yellow with iodine. 



On alpine rocks, rare. 1866. 



Syn :— Schaa-. Enum. 77. (1850). 

 Fig :— Hepp Sporen t. 70. f. 615. 

 Exs :— Schser. 539. Hepp. 615. 

 Geog. Distrib :— Switzerland. 

 Bot. Prov :— 7...11. 



England : — Force Garth, Teesdale. Dr. Boll. 



Wales : — Craig-y-llam near Dolgelley. Dr. Roll. Cader Idris ! (1866). Aran 

 Mowddwy ! Moel-y-Golfa ! 



Bot. Prov:-7...10...15. 



f. ochrodes, Nyl. found in Glen Callater 1872 by Dr. Stvrton. 

 Spores, .0195 mm, long, .009 mm. broad. The large apothecia have much 

 the appearance of a Peziza. 



123. L. Kochiana, Hepp. mouse-colour or pale-cinereo-fuscescent, 

 rimoso-areolato-difract, areoloe plano-convex, nigro-limitate, (K — 

 C — ) ; apothecia black, innate, immarginate, flexuoso- or anguloso- 



