THE LICHENS OF PERTHSHIRE 41 
elevation above the sea round Perth. Abundant on the mountains,” 
Lindsay, 217. 
_ Var. frigida Ach. 87. Summit of Ben-a-Chroin (3101 ft.). 
88. Ben Lawers!, Lindsay ex Mudd, 156. 89. “ Hills above Blair 
in Athole,” Don ex Leight. ed. 1,188. Ben Vrackie, at 2700 ft., 
and Ben-y-Gloe, at 3500 ft., 1912. When fruiting well the thalline 
margin is sometimes spinulose, and the apothecia are occasionally 
proliferous. 
*Form sicalaint Fr. fil. 88. Creeping over mosses on Ran- 
noch Moo 
Es. subiaeianen Nyl. On trees and rocks. 87. Ben Laoigh, at 
3700 ft., Watson. 88. Creag-na-Caillich and Craig Tulloch, Cromb. 
460. Ne ear Kinloch Rannoch and Killin. 89. Ben Vrackie, 
‘Cromb. 
Lh, as rella Ach. a walls, and trunks of trees. Common 
in all three vice-countie 
Var. Turneri Nyl. 89. Moulin, near Pitlochry, 1912 
L. pallescens Nyl. On trunks of trees. 88. Aberfeldy, Holl 
. 1, 189. 
ic Ipsaliensis Nyl. Overspreading mosses on the ground in 
alpine situations. 88. Creag-na-Caillich, Cromb. 463. 
LL. geminipara Fy. fil. In similar situations to the preceding. 
.88. Ben pares. Cromb. in J. Bot. 1882, 274. 
inodina exigqua 9 var. lecideoides Cromb. On old palings. 
near Loch Venachar, 1 
. atrocinerea Koerb. pak rocks. 88. Lochan-a-Chait, Ben 
Lawers, Jones ex Mudd, 1 
C preg samen Jatta. Fonte and walls. 8'7. The Trossachs, 
romb. 
R. Bischoffii Koerb. On calcareous rocks. 88. Craig Tulloch, 
Cromb. ex Leight.ed. 3, 220. On stones in wall, Glen Lochay, 1913. 
FR. polyspora Fr. fil. 88. Creag-na-Caillich, Cromb. 402. 
Aspicilia suiporiuadida Nyl. On schistose alpine rocks. 88. 
Above Lochan-a-Chait, 1878, Cromd. in Grev. 8, 1 
A. leucoph ps L.Sm. In similar situations to the preceding. 
88. Above Lochan-a-Chait, 1864, Jones € Carroll in Leight. ed. 1, 
05. Creag-na-Caillich and summit of Ben Lawers, Cromb. 465. 
A. oculata On mosses and schistose rocks in alpine 
situations. 88. Ben Lawers, on ne and grass, Turner & Hooker 
ex Hook. 47. 
Ceeneaa:Caillich, Cro 
_ A. cinerea Koerb. On rocks po walls. 87. Glen Falloch. 
South side of Am pc gre at 3500 ft., 1912. 88. Ben Lawers, 
omb. 
Cromb. ex Leight. ed. 1,196. Glen Lochay and Killin, Cr 
Boulders on shore of Loch Laidon, 1911. 
. epiglypta i On schistose rocks. 88. Above Lochan-a- 
Chait, at nr ft., 
A, alpi: eaeiow.: On alpine rocks of mica-schist. 88. Ben 
Lawers, se 468. 
A. cinereorufescens Koerb. form diamarta Nyl. In similar 
