SILIMBIA] LBCIDBACBa; 143 



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

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

 Balinakill, Connemara, Galway. 



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 sabuletorum i. 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- 

 phragmia Nyl. ex Cromb. I. c. ; Leight. II. c. L. Dufourei Ach. ex 

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



Differs in the form of the spores. 



Hah. Incrusting mosses on rocks. — Distr. Earein high altitudes. — 

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



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

 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 ; hymenial gelatine bluish then dark-violet 

 or wine-red with iodine. — Lecidea sphseroides var. /3 obscurata 

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

 triplicans 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. 



Hoi. 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. metamorphea by presence of paraphyses. 

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

 only in the somewhat peculiar paraphyses. 



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

 Kylemore, Connemara, Galway (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 



