24 CONTRIBUTIONS TO BRITISH LICHENOLOGY. 
L. parasema, Ach. ; var. monticola, Ach.; (L. nitidula, Fr.) var. . 
pura, Nyl.—On rocks, near the base and at the summit of Lawers 
(Jones and Carroll). 
L. alpestris, Smmrf. — L. assimilata, Nyl. Lich. Scand. p. 221.—On 
the ground, near the summit of Lawers (Jones and Carroll) ; Arctic 
Norway (Fries, Carroll). 
L. limosa, Ach. : Nyl. Lich. Scand. p. 221.— L. Wuifenii, Mudd, 
Man. p. 200 (the Lawers specimen at least).—Ben Lawers and Mael 
Gral (Jones). 
L. tessellata, Fik.—Mael Grae (Jones); Ben Lawers (Jones and 
Carroll). 
L. areolata, Scheer.—Mael Grae (Jones); Ben Lawers (Carroll). 
L. myriocarpoides, Nyl.; L. expansa, Nyl. (olim); Mudd, Man. 
p. 268.—Battersby, Yorkshire (Mudd in Herb. Carroll).—** Videtur 
bona species," Nyl. 
L. contristans, Nyl. Flora, July, 1865.—On decayed moss, summit 
of Lawers, July, 1864, very rare (Carroll). 
L. neglecta, Nyl. Lich. Scand. p. 244 ?—Frequent on Lawers, but 
without apothecia. 
L. scabrosa, Ach.—On slate rocks, south of Ireland (Hutchins in 
Herb. Lindsay, commun. by Carroll).— Spores l-septate, dark-brown. 
Thallus yellow. Z. scabrosa, Fl. Hib. pt. 2. p. 122, is merely a saxi- 
colous form of L. parasema. 
Opegrapha lentiginosula, Nyl. Flora, July, 1865, p. 355.— Glenfal- 
loch, Scotland, on old Pines, July, 1864 (Carroll). A smaller plant 
than O. lentiginosa, Lyell, but with larger spores, etc. 
Arthonia punctiformis, Ach. ; Nyl. Lich. Scand. p. 260 (sed non 
A. punctiformis of Mudd, Man. p. 247) ; var. verrucariella, Nyl. in 
litt.—Aviemore (Jones). 
A. pineti, Krb. ; Nyl. Lich. Scand. p- 261.—Glencar, Kerry (Car- 
roll), probably not rare. 
A. ruderalis, Nyl. Lich. Scand. p. 262.— Lecidea lapidicola, Tayl. in 
Fl. Hrb. pt. 2. p. 124.—On stones, Cappaghmore Bridge, Kerry ! 
(Taylor); on rocks, near the sammit of Lawers (Carroll). 
Verrucaria cartilaginea, Nyl. Lich. Scand. p. 268.—On the ground, 
near the summit of Lawers (Carroll). 
V. tristicula, Nyl. Flora, July, 1865, p. 356. On moss, Aviemore 
(Jones).— Species insignis accedens ad V. gelatinosum, Ach.,” Nyl. l.c. 
