178 LKCANOLIX'IDKKI [llUKLLlA 



collected iiL J)Oiuerc Pool, Shvopsliirc, which perhaps belongs to the 

 species. 



Hah. Incrustiiig mosses on the ground in an alpine situation. — 

 B. M. Suuiniit of lien Lawers, rerthshire. 



Var. triphragmia Boist. Nouv. Fl. LIch. pt. 2, p. 234 (1902). 

 — Thai! us and apothecia similar to the sjjecios ; spores 3-septate, 

 0,024-34 mm. long, 0,009-11 mm. thick. — Lecidca tripliragmla 

 Nyl. in Act. Soc. Limi. Bord. ser. 3, i. p. 387 (1856) ; Cromb. in 

 Journ. Bot. ix. p. 179 (1871); Leiglit. Lich. Fl. p. 329; ed. 3, 

 p. 349. 



Similar to the species, but with 3 -septate spores mixed with the 

 1 -septate. 



Hah. On shady rocks. — B. M. Morrone, liraemar, Aberdeenshire. 



26. B. lyperiza A. L. Sm. — Thallus greyish or blackish-grey, 

 thin, smooth, continuous, obscurely limited (K — , CaCl — ). 

 Apothecia black, plane or slightly convex, rather large, margin 

 obtuse : hypothecium dark-brownish, grumous ; paraphyses 

 distinct, slender, often septate, branched above ; spores dark- 

 brown, ellipsoid, sometimes 3-4-nucleate, rather large, 0,016- 

 22 mm. long, 0,009-12 mm. thick; hymenial gelatine intensely- 

 blue with iodine. — Lee idea lyperiza Stirton in Grevillea iii. 

 p. 35 (1874) ; Leight. Lich. Fl. ed. 3, p. 323 (1879) (sphalm. 

 hyper iza). Specimen not seen. 



Hah. On smooth bark of trees. Collected by Dr. Stirton near 

 Killin, Perth. 



27. B. coniops Th. Fr. Lich. Arct. p. 231 (I860).— Thallus 

 determinate, w^arted-granulose, unequal, moderate, greyish-brov/n 

 or greyish-ferruginous, the granules small, crenate, at length 

 conglomerate (K — , CaCl — ) ; hypothallus blackish, often limiting 

 the thallus. Apothecia subminute, plane, adnate-appressed, 

 black or brownish -black, margined, the margin prominent, thin, 

 entire ; hypothecium brownish ; paraphyses coherent, brown at 

 the thickened apices ; spores ellipsoid, obtuse, slightly constricted 

 in the middle, blackish-brown, 0,012-17 mm. long, 0,008-9 mm. 

 thick ; hymenial gelatine deep-blue with iodine. — Lecidca coniops 

 Walilenb. in Ach. Meth. Suppl. p. 8 (1803); Cromb. Lich. Brit, 

 p. 88 ; Leight. Lich. Fl. p. 306 ; ed. 3, p. 318. 



Often confounded by authors with Lecidca lalypca. It at first 

 forms small circular patches on the substratum, limited by a 

 radiating hypothallus, which subsequently become confluent, with the 

 hypothallus evanescent. The British specimens gathered are well 

 fertile. 



Hah. On schistose rocks in a maritime district. — B. M. Near 

 Cove, Kincardineshire. 



28. B. atrata Mudd Man. p. 215 (1861).— Thallus greyish oi 

 usually greyisli-black, rather thick, cracked-areolate, the areolae 



