bilimeia] lecideace^ 143 



Achosragan, Appin, Argyll ; Craig Cluny, Braemar and Cults, 

 Aberdeenshire ; Glen Nevis, Invernessshire ; Dinish, Killarney, Kerry ; 

 Balinakill, Connemara, Galwa3^ 



Var. simplicior A. L. Sm. — Externally similar to the type. 

 Apothecia internally brownish-yellow ; spores very variable in 

 form and size, oblong, or somewhat clavate, acute at one end, 

 usually 1-septate, sometimes 2- or 3-septate, 0,011-18 mm. long, 

 0,004-5 mm. thick. — Lecidea sahuletorum f. simplicior Nyl. Lich. 

 Scand. p. 205 (1861) ; var. Dufourei Cromb. Lich. Brit. p. 71 

 <1870); Leight. Lich. Fl. p. 338; ed. 3, p. 364; var. mono- 

 phraijmia Nyl. ex Cromb. /. c. ; Leight. II. c. L. Dufourei Ach. ex 

 JSTyl.'in Flora 1. p. 373 (1867). 



Differs in the form of the spores. 



Hab. Incrusting mosses on rocks. — Distr. Rare in high altitudes. — 

 B. M. Cader Idris, Merioneth ; Ben Lawers, Perthshire. 



Var. obscurata A. L. Sm. — Thallus effuse, thin, granulose, 

 greyish-white or greyish. Apothecia moderate in size, sessile, 

 concave and thickly margined, at length convex and immarginate, 

 brown, reddish-brown, or blackish, pale within ; paraphyses 

 loosely coherent ; epithecium and hypothecium yellowish-brown ; 

 spores ellipsoid or subfusiform, 3-septate, 0,015-30 mm. long, 

 0,005-8 mm, thick ; hy menial gelatine bluish then dark- violet 

 -or wine-red with iodine. — Lecidea sphseroides var. /5 obscurata 

 Sommerf. Fl. Lapp. Suppl. p. 165 (1826). L. sabuletorum f. 

 tripUcans Nyl. Lich. Scand. p. 205 (1861). L. triplicans Nyl. 

 Lich. Fret. Behring. p. 24 (1888) ; Cromb. in Grevillea xxii. 

 p. 57. 



The apothecia are larger and darker than those of the species ; 

 they are very plentiful in our single specimen. 



Hab. On mosses on rocks and on trees. — B. M. On mossy boulders, 

 Morrone, Braemar, Aberdeenshire. 



Var. septenaria A. L. Sm.^ — Thallus effuse, greyish-green. 

 Apothecia convex, brownish or pale-leaden-coloured ; hypothecium 

 brownish ; paraphyses colourless, rather stout, subconcrete, 

 ■septate and somewhat clavate at the tips ; spores fusiform, 

 5-7-septate, 0,017-34 mm. long, 0,006-7 mm. thick. — Lecidea 

 metamorphea var. septenaria Nyl. in Flora lix. p. 239 (1876) ; 

 Leight. Lich. Fl. ed. 3, p. 356. 



Distinguished from B. metaniorpTiea by presence of paraphyses. 

 In habit and general appearance it resembles B. sabuletorum, differing 

 •only in the somewhat peculiar paraphyses. 



Hab. On decaying mosses in fissures of rocks. — B. M. Near 

 Kylemore, Connemara, Gal way (the only locality). 



Subsp. lubens A. L. Sm. — Thallus effuse, thinnish, granulose, 

 greyish-glaucous, Apothecia small, subplane, then convex and 

 immarginate, pale-flesh-coloured or leaden-brown ; paraphyses 



