CONTRIBUTIONS TO BRITISH LICHENOLOGY. 23 
Lecanora holophea, Mnt.; Lecidea sublurida, Nyl. (olim)=Thal- 
loidima sublurida, Mudd, Man. p. 172.—Not rare in crevices of rocks 
all round the Irish coast. 
L. poriniformis, Nyl. Flora, July, 1865, p. 353.—Rocks on Mael 
Grae (Jones); Ben Lawers (Carroll).—This singular plant has quite 
the aspect of Pertusaria, but ranges near Lecanora verrucosa. 
L. helicopis (Whinb.), Nyl. Lich. Scand. p. 158; var. dilutior, Nyl. 
—Glenarm, on chalk (Jones). 
L. Sambuci (Pers.), Nyl. Lich. Scand. p. 168.—Armagh (Jones). 
* Thecis 8-12, 16-32 sporis," Nyl. 
Pertusaria gyrocheila, Nyl. Flora, July, 1865, p. 354.—On rocks, 
near the summit of Lawers (Carroll). 
P. ophthalmiza, Nyl. Lich. Scand. p. 180.—“ Thecis monosporis. 
Sporis usque longit. 0:160—0-205, crassit. 0:080, 0-100 millim."—On 
aged Pines, Glenfalloch, Scotland (Carroll). 
Thelotrema subtile, Tuck.—Glengariff, August, 1865 (Jones). 
Lecidea foveolaris, Ach.—-On the ground, summit of Lawers (Carroll 
and Jones). 
L. erae Tayl.— L. confusa, Nyl.—“ Nomen Taylori restituen- 
dum,” 
L. ridi Ach.— Douce Mountain, co. Wicklow (Jones). 
L. fusca, Scher. Nyl.—On decayed moss, summit of Lawers (Carroll 
and Jones). 
L. cuprea, Smmrf., var. Berangeriana, Mass. Nyl.—Near the summit 
of Lawers, on the ground (Carroll and Jones). 
L. anomaloides, Nyl. Flora, 1862, p. 464; var. denigrans, Nyl.—On 
the ground, Ben Lawers (Jones). 
L. spheroides, Smmrf. ; var. vacillans, Nyl. Lich. Scand. p. 204.— 
Armagh Demesne (Jones). Var. rediens, Nyl.— Biatorina sphaeroides, 
Mudd, Man. p. 177.—On trees, Florencecourt (Jone 
L. sabuletorum, var. syncomista, Flk.— Bilimbia ds Jes 
Biatora Regeliana, Hepp. Flecht. 283.—On the ground, Morâne 
(Jones); Ben Lawers (Jones and Carroll). 
L. improvisa, Nyl. Lich. Scand. p. 213.—On palings, Stableford, 
Shropshire, October, 1864 (Leighton in Herb. Jones) ; Skelefteà, Swe- 
dish Lapland, August, 1863 (Carroll). 
L. aromatica, Turn. ; var. hypsophila, Nyl. in litt.— Bilimbia sabu- 
losa, Mudd, Man. p. 189 (the Lawers specimen).—Ben Lawers, with 
L. alpestris, Smmrf. (Jones). 
