178 LECANO-LECIDEEl [bDELLIA 



collected at Bomere Pool, Shropshire, which perhaps belongs to the 

 species. 



Hob. Incrusting mosses on the grovmd in an alpine situation. — 

 B. M. Summit of Ben LaTvers, Perthshire. 



Yar. triphragmia Boist. Nouv. Fl. lich. pt. 2, p. 234 (1902). 

 — Thallus and apothecia similar to the species ; spores 3-septate, 

 0,024—34 mm. long, 0,009-11 mm. thick. — Leddea triphragmia 

 iSTyl. in Act. See. Linn. Bord. ser. 3, i. p. 387 (1856) ; Cromb. in 

 Journ. Bot. ix. p. 179 (1871); Leight. lich. Fl. p. 329; ed. 3, 

 p. 349. 



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

 1-septate. 



Hab. On shady rocks. — B. M. Morrone, Braemar, Aberdeenshire. 



26. B. lyperiza A. L. Sm. — ThaUus 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. — Lecldea lyperiza Stirton in Grevillea iii. 

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

 hyper iza). Specimen not seen. 



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

 KiUm, Perth. 



27. B. coniops Th. Fi-. Lich. Arct. p. 231 (I860).— ThaUus 

 determinate, warted-granulose, unequal, moderate, greyish-brown 

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

 conglomerate (K — , CaCl — ) ; bypothallus 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, 0,0i2-17 nun. long, 0,008-9 mm. 

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

 ^Vahlenb. 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 Lecidea latypea. It at first 

 forms small circidar patches on the substratum, limited by a 

 radiating hypothallus, which subsequently become confluent, with the 

 hypothallus evanescent. The British specimens gathered are well 

 fertile. 



Hob. On schistose rocks in a mai'itime district. — B. M. Near 

 Cove, Kincardineshire. 



28. B. atrata Mudd Man. p. 215 (1861).— Thallus gi-eyish or 

 usually greyish-black, rather thick, cracked-areolate, the areolse 



