Stretton, Shropshire; Easby, Lounsdale and Battersby, Cleveland,
Yorkshire; I. of Lismore and Barcaldine, Appin, Argyll; Longh
I eagh, Connemara, Galway.
14. B. succedens A. L. Sm.—Thallus effuse, thin, granulate
unequal or subareolate, whitish. Apothecia submoderate, margined
brownish-black ; paraphyses moderate, jointed, thickened
and brownish a t the apices ; hypothecium brown or reddish-
brown ; spores ellipsoid, simple or 1-septate, blackish, 0,011-
14 mm. long, 0,0045-0,0055 mm. th ick ; hymenial gelatine
bluish then wine-red with iodine.—LecZdea succedens Nyl. in
ilo r a xhx. p. 372 (1866); Leight. in Ann. Mag. Nat. Hist,
^ r . 3, XIX. p. 322 (186/) & Lich. FI. p. 308; ed. 3, p 322-
Carroll in Journ. Bot. v. p. 258 (1867); Cromh. Lich. Brit!
p. 89. Specimen not seen.
France^*^^'^ allied with L. secedens Nyl., a corticolous species of N.W.
°° “ “ to “
15 B. verruculosa Mudd Man. p. 215 (1861) (excl. var.
//parta).—Thallus effuse, minutely cracked-areolate, the areolæ
scattered or contiguous, plane or slightly convex, smooth,
yellowish-green (K - , CaCl + orange-red, medulla I - ) ; hypo-
thallus blackish, often little visible. Apothecia black, minute,
innate, almost plane, thinly mai-gined, becoming convex and
nnmarginate ; hypothecium dull-brown ; p>araphyses coherent,
brown a t the clavate apices; spores oblong, sometimes slightly
constricted a t the septum, brown, 0,012-16 mm. long, 0,006-9 mm
th ick ; hymenial gelatine deep-blue with iodine.—J5. ocellata
Koerb._ Syst. Lich. Germ. p. 224 (1855). Lichen verruculosus
Borr in Engl. Bot. t. 2317 (1812). Lecidea verruculosa Borr
FI. V. p . 174 (1833); Leight. Lich. FI.
4*’ coi / ' 4*‘ ^45- L. ocellata Floerke ex Flot. in Flora xi.
?'• ” ^4 (1828); Cromb. in Journ. Bot. vii. p . 108 (1869) &
Tayl. in Loud. Journ. Bot. vi.
p. 150 (1847).
Exsicc. Mudd n. 186.
Dffiers from E. spuria in the colour of the thallus and in the
larger spores. The hypotheoium in both these species is brown in
tnicK section, but paler in thin section.
Hab. On rocks and flints.—Distr. Somewhat rare in maritime and
upland regions.-E. Af. Lydd Beach, Kent; Carlton Bank, Cleveland,
&afr a Durham ; Lamplugh, Cumberland ;
T b n L ,4^®’^44ishire ; near Cork; Blaokwater
Bridge, Lough Caragh and Dunkerron, Kerry.
Subsp. præponens A. L. Sm.—Thallus determinate, warted-
areolate or thinly granular, yellowish-green. Apothecia small,
subinnate, uneven, immarginate ; spores 0,015-17 mm. long,
0,008-10 mm. thick.—Lecidea ocellata subsp. præponens Nyl. in
Flora li. p. 347 (1868); Cromb. in Journ. Bot. vii. p. 108 (1869)
& Lioh. Brit. p. 94. L. verruculosa var. præponens Leight. Lich.
FI. p. 304; ed. 3, p. 316.
Hab. On rooks in maritime regions.—E. M. Near Cove and Nigg,
Kincardineshire (the only localities).
16. B. saxatilis Koerb. Syst. Lich. Germ. p. 228 (1855).__
Thallus thickish, unequal, cracked, faintly yellowish-white or
greyish (K —, CaCl — ). Apothecia black, minute, scattered,
innate, then sessile, plane, the margin entire, sometimes prominent
; hypothecium blackish-brown ; paraphyses subcoherent,
capitate and blackish-brown a t the apices ; spores ellipsoid,
dark-brown, 0,009-14 mm. long, 0,004-6 mm. thick ; hymenial
gelatine blue, the asci wine-red but blue a t the tips, with
iodine.—Mudd Man. p. 216. Galicium saxatile Schær. in Meis-
ner’s Nat. Anz. no. 5, 1821, p. 35 & Enum. p. 166. Lecidea
saxatilis Hepp Flecht. Eur. n. 145 (1853); Cromb. Lich. Brit,
p. 89 ; Leight. Lich. FI. p. 303 ; ed. 3, p. 315.
_ Approaching E. verruculosa, but distinguished by the unequal,
thicker thallus, and by the more prominent apothecia.
Hab. On rocks.—Distr. Eare in maritime and upland districts in
Wales, E. Scotland and in N. and W. Ireland.—E. M. Nigg, Kincardineshire.
17. B. ryssolea A. L. Sm.—^Thallus whitish-grey, thick, ta r tareous,
cracked-areolate, the areolæ plane or somewhat convex,
irregularly wrinkled (K + yellow, then red), limited by the
black hypothallns. Apothecia numerous, ra th e r large, prominent,
blackish-brown, rusty, with a thick, paler margin ; hypothecium
thick, blackish-brown ; paraphyses indistinct, thickened and
blackish-brown a t the apices; spores dark-brown, 0,016-17 mm.
long, 0,007-8 mm. thick ; hymenial gelatine pale-dirty-blue with
iodine.—Lecidea ryssolea Leight. in Trans. Linn. Soo. ser. 2, i. p.
237 (1878) & in Lich. FI. ed. 3, p. 324. Specimen not seen.
Hab. On Caradoc sandstone rooks.—Distr. Eare in S.W. Wales
(Fort Hill near Fishguard, Pembrokeshire).
18. B. saxorum Massal. Ric. Lich. p. 82 (1852).—Thallus
thin, minutely cracked-areolate, plane, dirty-yellowish-white
(K + yellow, CaCl + red), limited by the black hypotballus.
Apothecia numerous, scattered, sessile, plane, black, the margin
thick, rather paler ; hypothecium black or blackish-brown ; paraphyses
slender, capitate, the epithecium dull-brown; spores
elliptical or subovoid, 0,013-17 mm. long, 0,006-8 mm. th ick ;
hymenial gelatine blue then yellowish-brown with iodine.—