9. A. dispersa Nyl. Lich. Scand. p. 261 (1861).—Thallus
forming pale spots, limited but without a dark outline. Apothecia
small, slender, somewhat elongate, irregular and flexuose;
epithecium dark-brown ; spores ra th e r small, ovate-ohlong,
1-septate, the upper cell somewhat broader, 0,010-13 mm. long,
0,004-5 mm. tliic k ; hymenial gelatine blue then violet-coloured
with iodine.—Opei/rapha dispersa Schrad. in Ust. Ann. Bot. xxii.
p. 86 (1797) fide Nyl.
Hah. On bark of trees.—Distr. Rare in S. England.—A. M. New
Forest, Hants ; Handoross, Sussex.
10. A. excipienda Cromb. Lich. Brit. p. 104 (1871).—Thallus
greyish or whitish, determinate. Apothecia slender, elongate
punctiform or irregula r; spores colourless, obovate, 1-septate,
0,014-21 mm. long, 0,005-9 mm. thick ; hymenial gelatine wine-
red with iodine.—Leight. Lich. El. p. 393 ; ed. 3, p. 416.
A. dispersa subsp. excipienda Nyl. Lich. Scand. p. 261 (1861).
A. hihernica Nyl. in Elora lix. p. 237 (1876); Cromb. in Grevillea
V. p. 28 ; Leight. Lich. El. ed. 3, p. 418.
Exsicc. Larb. Lich. Hb. n. 194 (as A. hibernica).
Perhaps only a subspecies of the preceding, but distinguished by
the constantly larger spores and the different reaction with iodine.
Hab. On bark of trees.—Distr. Eare in Central Scotland and in
S. and W. Ireland.—A. M. Killin, Perthshire ; Mangerton, Kerry ;
Killery Bay and near Leenane and Cloghan, Connemara, Galway.
11. A. punctilliformis Leight. in Trans. Linn. Soc. ser. 2, i.
p. 146, t. 22, figs. 26-28 (1876).—Thallus a mero film. Apothecia
scattered, blackish-brown, very minute, irregularly roundish,
convex, internally brown; spores oblong-clavate, pale-
brownish, 1-septate, large, 0,029 mm. long, 0,013 mm. th i c k . -
Leight. in Grevillea iii. p. 113 & Lich. Fl. ed. 3, p. 417 ; Cromb.
in Journ. Bot. xiii. p. 141 (1875). Specimen not seen.
Hab. On holly.—Aisir. Very rare in N. Wales (Trefriw, Carnarvonshire).
Spores 3-Q-septate, upper cell largest.
12. A. aspersa Leight. in Ann. Mag. Nat. Hist. ser. 2, xviii.
p. 332, t. 11, figs. 11-15 (1856).—Thallus thin, smooth, indeterminate,
greyish-green. Apothecia small, roundish or irregular
or substellate, the disc black, fiattened or somewhat convex;
spores obovate, 3-septate, colourless or pale-yellowish, the upper
cell largest, 0,013-15 mm. long, 0,005-6 mm. th ick ; hymenial
gelatine bluish with iodiue.—^Mudd Man. p. 248, t. 4, f. 97 ;
Cromb. Lich. Brit. p. 102 ; Leight. Lich. Fl. p. 395 ; ed. 3, p. 418.
Exsicc. Leight. n. 248.
Differs from A. radiata in the less stellate apothecia, and in the
septation and size of the spores.
Hdb. On bark of holly.—Distr. Bare in England and S. Ireland.
A. M. Beclyy Falls, Devon; Barmouth, Merioneth; Pontesburv
Kma?ney''¿erey'^’^ G^veland and Farndale, Yorkshire ; Dinish!
13. A. arthonioides A. L. Sm .-T h a llu s rather thick, cream-
coloured slightly tinged with rose, effuse, smooth becoming
pulverulent. Apothecia small, numerous, solitary or rarely
confluent, rounded, somewhat convex, immarginate, the disc
rough and pulverulent when old ; spores 6-8 in the ascus, linear-
clavate, 3-septate, the upper cell slightly larger, 0,013-16 mm.
long, 0,006-7 mm. thick ; hymenial gelatine yellowish-red with
n in Mém. Soc. Sci. Nat. Cherb. iv.
p. 99 (1856); Mudd Man. p. 251, t. 4, f. 98 ; Cromb. Lich. Brit.
p._ *0^1 Deight. Lich. Fl. p. 398 ; ed. 3, p. 421. Lecidea artlwmoides
Ach. Lich. Univ. p. 178 (1810).
Exsicc. Mudd n. 237.
d i s S l “ snbalpine or mountainous
14. A. dendritica A. L. Sm .-T h a llu s whitish or greyish
effuse, tartareous, ra th e r thick in places, smooth. Apothecié
black innate, roundish or soinewhat elongate and irregularly
radiate, contiguous and confluent or solitary, plane, internallv
pale ; asci pyriform ; spores obovate, or clavate, colourless 2-4-
septate, upper cell largest, 0,017-22 mm. long, 0,005-7 mm. thick.
— Stigmahdmm dendrthcim Leight. in Journ. Bot. xiii. n 257
t. 166 (1875) & Lich. El. ed. 3, p. 413. ’
Exsicc. Larb. Lieh. Hb. n. 192.
U AiiZeroyrap/ni in the grouping of the apothecia, but
IS separated from that genus by the form and structure of asci and
STDOrôS.
Has. On rocks.—Afrir. Very rare in W. Ireland.—A. M. Tully
and Doughruagh Mt., Connemara, Galway (the only localities).
rru “ Mackay El. Hib. ii. p. 105 (1836) —
lh a llu s cream-coloured, thin, smooth, shining, limited by a
brownish border varying in width. Apothecia small, scattered
subimmei-sed, irregularly round or oblong, blackish-brown, plane ’
spores colourless or pale yellow, obovate-clavate, 6-septate, the’
upper _cell largest, 0,021-36 mm. long, 0,009-12 mm. thick •
hymenial gelatine blue, the asci yellowish or wine-red, with
f ^ a t . Hist. ser. 2, xiii. p 441
948 I ’*- P- 401 ; ed. 3, p. 425; Mudd Man!
P- Kyi. in Elora 1.
p. 1/9 (186/) ; Carroll in Journ. Bot. v. p. 259 (1867) ; Cromb.
I Kyi. in Flora Ixii.
p. JZl (18/9) ; Cromb. in Grevillea viii. p. 29.