i]).
V® , ‘J^®Unguished outwardly from L. crustulata, but
+1 f coloured hypothecium, the somewhat smaller
spores, and the colour reaction of the thallus.
E n ^ n J ° common in S. and central
England.—A. M. Shanldm, I. of Wight; Matlock, Derbyshire.
Tayl. ex Leight. Lich. FI. ed. 3, p. 252
1 1' / f pale-brown, tartareous, thin, plane, rimulose-
areolate furfuraceous (K + yellow, CaCl + orange-yellow). Apothecia
black, small, innate, sessile, with a thick prominent
entire margin ; hypothecium pale-reddish; paraphyses distinct,
pale a t the tips, spores ellipsoid or oblong, 0,011-12 mm. long,
0,007 mm. th ic k ; hymenial gelatine blue, the asci brown, with
iodine. Specimen not seen.
Hah. On sandstone.—AtsZr. Bare in S. England and Wales.
T fi i f Ach. Meth. p . 40 (1803) pro p a r t e . -
lh a llu s determinate or siibeffuse, thickish, faintly cracked-
areolate, opaque, smoky-white or bluish-grey ( K - , C aC l-
medulla I + violet) ; hypotballus black. Apothecia moderate in
size or somewhat large, scattered or crowded and often confluent
appressed or adnate, plane and marginate, becoming convex and
immarginate, black ; hypothecium brownish-black; paraphyses
s ender greenish or dark-olive-brown a t the apices ; spores
ellipsoid rather small, 0,009-15 mm. long, 0,005-7 mm. t L k ■
hymenial gelatine deep blue with iodine.—S. F. Cray Nat. Arr!
L p. 464 pro p a rte ; Hook, in Sm. Engl. FI p 175- Tavl in
Mackay FI Hib. ii. p. 118 pro p a r te ; L m b . Lich B r iT t '
^ 4 p. 295 ; ed. 3, pp. 303-4 (inch
and rimoso-areolata). L. contigua var. y conflucns
Mndd Man. p. 210 (1861). Lichin conflucns We5ev S p 3 T
1.71 ™ " - ) ^
Exsicc. Cromb. n. 182; Mudd. n. 180; Johns, nos. 383, 384.
Differs from L. contigua in the frequently confluent apothecia
il '' ®'“'® by excessive lateral pressure and
m r a T t\® prominent margins it is f. complicata Leight.
snerimfnVfrn specimens from rCa' dl e r Idris, Merioneth, and from MoMrruosneeu,m B rbaye mtwaro
in t w L e i i t '^® - eranescTnt!
and S to n e walls.—AwZr. Common in mountainous
f r S v Near St. Austell, Cornwall
rdingly Bocks and Arundel, Sussex; Ulting, Essex; Ayton Moor
sDhirree mWe’sstt Water, Fife; Sidlaw MHeirlilos,n eFtho^r’f aSrnsohwired;i ntBSernn arMvoorne- ’
Ben Lawers, Cairn Gowar, Blair Athole and near Killin, Perthshire ’
Invernessshire ; Morrone!
Form oxydata Leight. Lich. FI. ed. 3, p. 304.—Thallus rusty-
red or yellowish. Apothecia confluent or scattered.
Hah. On rocks.—Bistr. Somewhat rare in mountainous districts.—
A. M. Beddgelert, Merioneth ; Achosragan Hill, Appin, Argyll; Ben
Lawers, Perthshire; Morrone, Braemar, Aberdeenshire.
122. L. cinerascens A. L. Sm.—Thallus determinate or
subefluse, cracked-areolate, M'hitish or glaucous-white (K —,
CaCl — , medulla I + bluish) ; hypotballus whitish, a t times
limiting the thallus. Apothecia submoderate, a t flrst innate,
plane, with whitish-suffused epithalline margin, a t length convex,
prominent and immarginate, black, naked or slightly pruinose ;
hypothecium thick, blackish; paraphyses slender, conglutinate,
dark a t the apices; spores eJlipsoid, 0,010-13 mm. long,
0,005-7 mm. thick ; hymenial gelatine deep-blue with iodine.—
Lecidea speirea Ach. Meth. p. 52 (1803) in Vet. Ak. Handl.
1808, p. 263 ; Cromb. in Grevillea xii. p. 57. L. contigua var.
speirea Cromb. Lich. Brit. p. 80. Lichen speireus Ach. Prodr.
p. 59 (1798). Lichen cinerascens With. Arr. ed. 3, iv. p. 8 (1796);
Cromb. in Grevillea xii. p. 57. ’
Scarcely distinct from the preceding, but differs in the pseudo-
leoanorine apothecia, which are usually more scattered and solitary
though at times subconfluent.
Hdb. On rooks, schistose and calcareous, in mountainous regions.
—Distr. In N. England, the Highlands of Scotland, and W. Ireland.—
A. M. Alston, Cumberland; Achosragan Hill, Appin, Argyll; Craig
Calliach, Ben Lawers, Killin, and Craig Tulloch, Blair Athole, Perthshire;
Canlochan, Forfarshire; Morrone, Braemar, Aberdeenshire;
Ballaghbeama Gap, Kerry; Kylemore, Connemara, Galway.
123. L. Mooreana Carroll in Nat. Hist. Rev. vi. p. 529 (1859).
—Thallus effuse, thin, greenish-yellow or brown, greyish-white
when dry. Apothecia large, black, sessile, solitary or aggregate
into little groups, plane, somewhat rough, the margin thin,
entire ; hypothecium thin, dark-brown ; paraphyses slender ; the
whole hymenium gelatinous; spores ovate, small, 0,007-10 mm.
long, 0,004 mm. th ic k ; hymenial gelatine yellow-brown with
iodine.—Mudd Man. 207; Cromb. Lich. Brit. p. 82; Leight.
Lich. PI. p. 275 ; ed. 3, p. 275.
Hah. On rocks.—A. M. Crow Glen, Belfast (the only locality).
124. L. promiscens Nyl. in Flora Iv. p. 358 (1872).—Thallus
effuse, very thin, cracked-areolate, wJiitish (K —, CaCl —,
I + dark-violet), often evanescent. Apothecia adnate, moderate!
plane, thinly margined, a t length slightly convex and immarginate,
black, concolorous w ith in ; paraphyses slender, clavate,
jointed and black a t the apices; hypothecium brown (NO. rose-
coloured) ; spores oblong, 0,008-14 mm. long, 0,003-4 mm. thick ;
ymenial gelatine deep-blue, asci a t length wine-red, with
iodine.—Cromb. in Journ. Bot. xxii. p. 275 (1882).