OF GREAT BRITAIN. 305 



Geog. Distbib :— Sweden. 



Bor. Pbov :— 26. 



Ibbland :— Banks of river Dawros ! co. Galway. Mr. LwbaZestier. (1875.) 



163. L. sorediza, Nyl. cinerascent, smooth, areolato-rimulose, 

 sprinkled with small rotundate plane soredice, nigricanti 7 limitate, 

 (K — C — ) ; hypothallus nigricant ; apothecia black, plane, margined; 

 epithecium ccesio-pruinose ; spores 8, large, colourless, fusiformi- 

 ellipsoid ; epithecium fuscescent ; paraphyses moderate or thickish ; 

 hypothecium fuscous-black ; gelatina hymenea I blue, even the 

 thecae. 



On rocks not common. 



Stn :— Nyl. Pyr. Or. p. 38. L. svibconfbum, T. M. Fr. Lich. Scand. p. 487. 

 L. aUoccerulescens, Mudd Man. p. 211. 



Fig :— Mass. Bic. p. 140. 



Exs :— Mudd 181. 



Geog. Distbib :— Sweden, Norway, Finland, E. Pyrenees. 



Bot. Pbov:— 10.. .26. 



England : — Lanbraughrigg, ! Cleveland, Yorkshire. Mr. Mudd. 



Ibeland : — Glencorbot ! near Kylemore. Mr. Lwrbalestur. 



"Spores .016—22 mm. long, .007— 9mm. broad; in Mudd's specimen .016 — 23 

 mm. long, .008 — 9 mm. broad. Like L. contigua, but differing in the sorediate 

 thallus, thicker paraphyses, and different reaction with I." {Nyl.) "Spores 

 .014—21 mm. long, .006—12 mm. broad." (T. M. Fries.) "Spores .0035 in. 

 long, .00125 in. broad." (Mudd,) Spores .018 mm. long, .011 mm. broad. 



164. L. consentiens, Nyl. whitish, continuous, moderate, smooth- 

 ish, rimoso-diffract, (K — C — ) ; cephalodia pale ; apothecia black, in- 

 nato-impressed, plane, obtusely margined ; hypothecium thin, blackish ; 

 spores 8, colourless, ellipsoid, simple, large ; paraphyses slender ; 

 epithecium fuscescent ; gelatina hymenea caerulescent then fulves- 

 cent with iodine. 



On alpine rocks, rare. 1866. 



Not unlike some state of Lecanora cinerea, (L). 



Stn :— Nyl. in Flora 1866. p. 371. Leighton in Ann. and Mag. Nat. Hist. 

 Sep. 1869. Crombie En. 80. 



,Geo<*. Distbib :— Europe. 



Bot. Pbov:— 5, 6, 7. ..15. 



England :— Spout Valley ! Longmynd near Church Stretton, Shropshire. 



Scotland : — Ben Lawers. Adm. Jones. 



Wales :— Aberdovey ! Bev. A. Bloxam. Llyn-y-Cae ! Cader Idris. Aran 

 Mowddwy ! Goodwick Bay ! Pembrokeshire. 



" Spores .026—38 mm. long, .015—22 mm. broad." (T. M. Fries.) " Spores 

 .027—38 mm. long, .016—22 mm. broad." (Nyl.) Spores .025 mm. long, .016 

 mm. broad. 



165. L. umbonella, Nyl. whitish or pale-yellow, thin, determinate, 

 in orbicular irregular patches, rimoso-diffract, smooth, (K yellow 

 then red) ; apothecia black, small, innate, marginate, generally 

 subgyrose or umbonate in the centre; hypothecium fuscous or fusces- 

 cent (the umbo and perithecium fusco-nigricant, as seen in a thin 

 section) ; epithecium nearly colourless ; spores 8, colourless, ellip- 

 soid, simple ; paraphyses moderate ; gelatina hymenea bright-blue 

 with, iodine. 



On micaceo-sohistose alpine rocks, rare. 1866. 



Stn :— Nyl. in Flora 1866. p. 372. Crombie En. 85. 

 Gbog. Distbib :— Europe. 

 Bot. Pbov:^7...15. 



