Ill 
NEW BRITISH LICHENS. 
Communicated by Tn-E. Rev. J. M. Crombie, F.L.S. 
The following new species — all of which, with a single excep- 
tion, have been detected in N.W. Ireland — have recently been 
recorded by Dr. Nylander, in the “ Flora,” 1877, No. 29, pp. 
457-463, and No. 36, pp. 562-568 : — 
1. Lecanoira refellens. NyL — Thallns greyish, thin, continuous, 
unequal, minutely greenish-sorediate ; apothecia pale-reddish, 
plane, small, subbiatorine, the thalline margin thin, subpulveru- 
lent, or at length evanescent ; spores 8 nse, placodine, variable, 
0,009-11 mm. long, 0,005-7 mm. thick, epithecium yellowish (K — ), 
[)araphyses thickish ; hymeneal gelatine, and especially the thecse, 
intensely bluish with iodine. 
On the bark of poplars, near Kylemore, Galway (Lar- 
balestier), 
A peculiar species, externally resembling L, Sambuci, 
2. Lecanoxa glaucocarnea. NyL — Sub-similar to L. Bceomma, of 
which it may be a biatorine sub-species, but differs in the thallus 
(K -H yellow), being greenish-glaucous, rugulose or subleprose, 
rimoso-diffract, determinate ; apothecia pale flesh-coloured or livid, 
biatorine, the margin paler at length explanate. 
On shady schistose rocks, Kylemore, Galway (Larbalestier). 
3. Lecidea albidocarnea. iVz/Z,— Thallus whitish or whitish- 
glaucous, thin, unequal, rimose, or thinner and scarcely rimose ; 
apothecia pale flesh-coloured, superficial, the margin indistinct or 
evanescent, plane or somewhat convex, small, internally corneous- 
white ; spores fusiformi-ellipsoid or fusiformi-oblong, 1-3 septate, 
0,010-18 mm. long, 0,0035-45 mm, thick ; paraphyses sub- 
moderate ; epithecium and hypothecium colourless ; hymeneal 
gelatine, at first pale bluish and then wine-red with iodine. 
On schistose rocks, near Kylemore (Larbalestier), 
Belongs to the section of L. sphceroides. 
4. Lecidea discolorella. iVyZ.— Sub-similar to i. Flk., 
but with the thallus whitish, thin, areolato-rimose (K + yellow, 
K [Ca cl.] + red) ; spores 0,012-16 mm. long, 0,006-7 mm. thick ; 
epithecium in thin section, reddish ; spermatia arcuate, about 
0,020 mm. long, 0,0005 mm. thick. 
On maritime rocks, near Penzance, Cornwall (Curnow). 
It may be rather a Lecanora than a Biatora, 
5. Lecidea Henrica. Thallus whitish, smooth, thin, 
rimose and rimulose (K -f- yellowish! ; apothecia pale yellow- 
flesh coloured, superficial, small, somewhat plane and obtusely or 
obsoletely margined, or somewhat convex and immarginate ; spores 
8 nae, ellipsoid or fusiformi-ellipsoid, simple, 0,015-20 mm. long, 
0,006-7 mm. thick ; paraphyses moderate, subarticulated ; hypo- 
