LECANORA. |, LECANO-LECIDEEI. 441 
lecanorine, small, plane or slightly convex, reddish-flesh-coloured or 
reddish, the thalline margin persistent, crenulate; spores ellipsoid, 
0,008-12 mm. long, 0,006-8 mm. thick; hymenial gelatine bluish 
(the theese often persistently), then tawny-wine-red with iodine. 
—Cromb. Grevillea, xviii. p. 69; Leight. Lich. Fl. p. 187 pro 
parte, ed. 3, p. 174 pro parte.—Lecanora varia subsp. sarcopis 
Cromb. Lich. Brit. p.52 pro parte. Parmelia sarcopis Wahl. in 
Ach. Meth. Suppl. (1803) p. 40.. To this is also referable L. sar- 
copis subsp. homopis Nyl. Flora, 1872, p. 251 (cfr. Nyl. Flora, 1881, 
p. 184). 
A plant apparently constant to its type, and from the characters given 
sufficiently diverse from the others of this subsection. It is also, and 
more especially, distinguished by the form of the spermatia. The apo- 
thecia in our specimens are numerous, and the spermogones are not un- 
frequent. These have the spermatia crescent-shaped, 0,009-11 mm. long, 
0,0025 mm. thick (er Nyl. in litt.). 
Hab. On old (indurated) pales in upland districts —Distr. Only 
sparingly in N. England and the Scottish Highlands.—B. M.: Near 
arlton, Cleveland, Yorkshire. Glen Lyon, Perthshire; Glen Dee, 
Braemar, Aberdeenshire; Glen Morriston, Inverness-shire. 
129. L. effusa Ach. Lich. Univ. (1810) p. 386.—Thallus effuse, 
thin, subleprose, sordid-yellow (K+ yellowish, CaCl—), at times 
subevanescent. Apothecia lecanorine, plane, pale-reddish-brown ; 
the thalline margin thin, subpulverulent or subcrenulate, at length 
convex, biatorine, immarginate; spores 0,008-12 mm. long, 0,005— 
7 mm. thick.—Cromb. Grevillea, vi. p. 21.—Lichen effusus Pers. in 
Hoffm. Deutsch. Fl. ii, (1795) p.174. Lecanora varia B. sarcopis 
Mudd, Man. p. 150 pro maxima parte ; Cromb. Lich. Brit. p. 52 pro 
maxima parte ; Leight. Lich. Fl. p. 187, et ed. 3, p. 174 pro maxima 
parte.—Brit. Hxs.; Cromb, n, 161. 
According to Nylander (Flora, 1872, p. 249) this may be only a variety 
of the preceding with less developed thallus. It differs also in the 
apothecia becoming biatoroid. The spermogones are as in L. sarcopis, 
but are less frequently seen, at least in our specimens. 
Hab. On old pales, rarely decorticated stumps of trees, in maritime, 
lowland, and upland tracts—Distr. Here and there throughout England ; 
rare in Scotland and the Channel Islands; not seen from Ireland.— 
B. M.: Beauport Bay, Island of Jersey. Near Lewes, Sussex ; Lynd- 
hurst, New Forest, Hants; Penzance, Cornwall; Gopsall Park, Leicester- 
shire; Norton, near Worcester; near Ayton, Cleveland, Yorkshire; 
Teesdale, Durham; Levens, Westmoreland. Loch Katrine and Killin, 
Perthshire ; Crathie, Braemar, Aberdeenshire. 
130. L, argopholis Ach. Lich. Univ. (1810) p. 346; Nyl. Lich. 
Scand. p. 166.—Thallus subdeterminate, verrucoso-(glebuloso-) 
granulate, firm, whitish-straw-coloured, whitish-yellow or whitish, 
the granules continguous, imbricate, subcrenate at the circumference 
(K+ yellow, CaCl—). Apothecia moderate, sessile, plane or convex, 
brownish-black, the thalline margin entire or crenate, persistent ; 
