bilimbia] lecideace^ 139 



ser. 3, i. p. 359 (1856); Cromb. in Grevillea i. p. 172; Leight. 

 Lich. Fl. ed. 3, p. 355. 



Hah. On mosses on stones, in a mountainous district. — B. M. 

 Glen Fender, Blair Athole, Perthshire (the only locality). 



12. B. hyalinescens Boist. Nouv. Fl. Lich. pt. 2, p. 188 

 (1902). — Thallus effuse, very thin, subfurfuraceous, greyish-white, 

 at times scarcely distinct. Apothecia appressed, moderate or 

 somewhat large, crowded, concave, pale-sordid-rose or clear-horn- 

 coloured, the margin thick, persistent, yellowish-horn-coloured, 

 slightly pulverulent ; hypothecium colourless ; paraphyses very 

 slender; spores oblong-fusiform, 3-septate, 0,016-18 mm. long, 

 0,005 mm. thick ; hymenial gelatine not tinged, the asci tawny- 

 wine-red, with iodine. — Lecidea hyalinescens Nyl. in Act. Soc. 

 Linn. Bord. ser. 3, i. p. 355 (1856); Leight. Lich. Fl. ed. 3, 

 p. 356. 



Exsicc. Larb. Lich. Hb. n. 107. 



Resembles a Gyalecta in the paler prominent margin of the 

 apothecia. 



Hab. On rocks. — B. M. Overspreading mossy stone on bank of 

 torrent, Twelve Pins, Connemara, Galway. 



13. B. cuprea Massal. in Lotos p. 77 (1856). — Thallus effuse, 

 greenish, whitish or copper-coloured, finely granular, becoming 

 areolate. Apothecia minute, dark or light-brownish, often with 

 a dark margin, becoming flattened, chestnut-brown or reddish- 

 yellow and immarginate ; hypothecium colourless ; paraphyses 

 subdiscrete, colourless ; spores linear- or fusiform-elliptical, 1-3- 

 septate, 0,015-30 mm. long, 0,002-4 mm. thick ; hymenial 

 gelatine blue with iodine. — Lecidea cupreorosella Nyl. in Mem. 

 Soc. Sci. Nat. Cherb. v. p. 122 (1857); Cromb. Lich. Brit, 

 p. 68 ; Leight. Lich. Fl. p. 335 ; ed. 3, p. 358. L. luteorosella 

 Nyl. ex Leight. Lich. Fl. ed. 3, p. 340 (1879). 



Distinguished by the minute usually punctiform and rather dark- 

 coloured apothecia. The spores vary considerably in size and form 

 and in all of our specimens of this and the allied species the para- 

 physes are more or less clavate or swollen at the tips. Stizenberger 

 notes (Nov. Act. Acad. Leop. -Carol, xxxiv. Abh. 2, p. 9 (1867)) that 

 the thallus varies with the locality and in shady situations is greyish- 

 green or orange. 



Hah. On rocks. — Distr. Rare in N. England and W. Ireland. — 

 B. M. Bilsdale, Yorkshire ; Twelve Pins, Connemara, Galway. 



14. B. albidocarnea A. L. Sm. — Thallus effuse, thin, un- 

 equal, rimulose-diffract, whitish or glaucous-white (K — , CaCl — ). 

 Apothecia moderate, superficial, plane or somewhat convex, 

 immarginate, pale-flesh-coloured, white within ; paraphyses sub- 

 discrete, clavate at the apices ; epithecium and hypothecium 

 colourless ; spores fusiform-ellipsoid or fusiform-oblong, 1-3- 

 septate, 0,010-18 mm. long, 0,0035-45 mm. thick ; hymenial 



