26 
NEW BRITISH LICHENS. 
and in tlie East Pyrenees (Nyl. Pyr. Or. p. 85, s.n. P. West- 
rmijii). 
5. Lecidea semipallens. Nyl — Thallus sordid-white or whitish- 
glaucous, thin, riniulose ; apothecia livid and partly pale, convex, 
inmiarginate, colourless within ; spores 8-nae, shortly ellipsoid, 
minute, 0,006-9 iri.m., 0,0085-45 m.m. thick ; epithecium and 
hypotheciuin colourless, paraphyses not discrete; hymenial gela- 
tine wine tawny-reddish, coloured with iodine. 
On quartzose rocks. Connemara, Galway (Larbalestier). 
^ 6. Lecidea albocairnea. Nyl. — Thallus whitish, thin, at length 
rimuloso-diffract ; apothecia pale flesh-coloured, convex, iinmargi- 
nate, colourless (white) within ; spores S-nse, colourless, oblong, 
simple (or obsoletely 1-septate), 0,009-0,014 m.m., 6,0080- 
0,0085 m.m. ; paraphyses slender, not very discrete, epithecium 
and hypothec! um colourless ; hymenial gelatine bluish, and then 
wine- red with iodine. 
On quartzose rocks. Connemara, Galway (Larbalestier). 
Belongs probably to the section of L. l(£cigata^ but no spermo- 
gones are visible 
7. Lecidea praerimata. Nyl. — Thallus white or whitish, con- 
tinuous, rimose, the rimje subareolate or subparalleiy radiating, in- 
spersed with convex or confluent soredia ; aj)othecia brown, biato- 
rine, superficial, but not seen rightly developed. 
Perhaps a sub-species of L. coarctata^ with which it agrees in 
the thalline reaction. 
On felspathic rocks. Jersey (Larbalestier). 
8. Iiocidea accesitans. Nyl. — Thallus whitish, subsmooth, dis- 
persed or evanescent ; apothecia testaceous or testaceo-brownish, 
convex, immarginate, whitish within ; spores 8-me, colourless, 
oblong, simple, 0,009-0,012 m.m. long, 0,008 4 m.m. thick ; 
paraphyses not discrete, epithecium and hypothecium colourless ; 
hymenial gelatine, bluish, and then wine-reddish with iodine. 
On micaceous schist. Connemara, Galway (Larbalestier). 
Belongs apparently to the section of L. vernalis. Spermogones 
with arcuate thin spermatia, 0,014-19 m.m. long, 0,0005 m.m. 
thick. 
9. liecidea caxneo-albens. 2%^.— Thallus glancous-green, thin, 
granulose, indeterminate ; apothecia white flesh-coloured, convex, 
immarginate, colourless within ; spores 8-nge, bacillar, substraight, 
3-5 septate, 0,023 t- 27 m.m. long, 0,0025-0,0085 m.m. ; para- 
physes not discrete, epithecium and hypothecium colourless ; 
hymenial gelatine tawny wine-reddish (the apices of the thecie at 
first bluish) with iodine. 
On siliceous stones of a rivulet. Connemara, Galway (Lar- 
balestier). 
The apothecia are sometimes sublivid. 
10. Lecidea submoestula. iVyZ.— Thallus greyish, minutely sub- 
