58 THE LICHENS OF PERTHSHIRE 
L. albocerulescens Ach. On rocks and walls. 87. The 
rie 88. Near Achmore, Killin!, Smzth, 70. Ben Laoigh, 
f. 
ae 8: Schaer. 88. Near Loch Tummel, 1912. 89. 
Ben-y-Glo 
ar. Saciaiiralastons (Ach.). 88. Stream near Rannoch 
Railway Station, 1910. Ben Laoigh, at 3200 ft. 
*I. crustulata Koerb. On grey rocks. 87. Ben a 
Watson. Am Binnein, at 3700 ft., 1913. 988. Ben Lawers, a 
3900 ft., Watson. at Laoigh ; aan Chalum ; and shore of leh 
Tummel. 89. Dunkeld. 
*Var. meiospora Olivier. 88. Crianlarich, _—- 2. Meall 
Chuirn, at 2950 ft. South-east side of Loch Earn 
*Var. fuscella Mudd. 89. On small stones, King’s s Seat, Sidlaw 
Hills, 1914 
L. confluens Ach. On rocks and walls. Frequent in all three 
vice-counties, race to 3900 ft. or higher. 
m minor Leight. 88. Ben Cruichben, Killin, at 3000 ft. 
ar 
orm oxydata Leight. 88. Ben Lawers!, Smith, 73. Ben 
clon at 3000 ft. Am Binnein, at 3850 ft. 
. cinerascens A. L. Sm. On rocks in mountain districts. 
87. Ben-a-Chroin, 1913. 88. Frequent in this vice-county, 
cone het 3800 ft. or higher on Ben Lawers. 89. Ben Vrackie 
d Gle 
wo. mieten Ach. On rocks. 89. Glen Fender, 1870, Cromb. in 
Grev.i. 170. Sidlaw Hills, Smith, 74. Ben Viackio, 1912. 
LL. tessellata Floerke. On alpine rocks. Ben Laoigh, 
Watson. 88. Ben Lawers, Jones ¢ Carroll in | Bot. 1866, 22. 
L. lapicida Ach. On schistose rocks in upland districts, 
ascending to about 3800 ft. on Ben Lawers. 87. Glen Falloch, 
and Ben-a-Chroin, at 3100 ft. "88. Ben Chalum and Ben Lawers. 
89. Blair Atholl, Cromb. ex Leight. ed. 1, 285. Pitlochry and 
Ben-y-Gloe, 1912 
ar. declinans Nyl. 88. Ben Lawers, Carroll. Lochan-a- 
Chait, 1913. 
L. lithophila Ach. Rocks in upland or mountain mae 
Frequent in all three vice-counties, ascending to 3200 ft. 
Ben Laoigh. 
Form ~ a Cromb. 88. Ben Lawers, Cromb. ex Smith, 76. 
Ben Laoigh. Ben Chalum, at 1800 ft. 
Form ochracea Nyl. 88. Craig Tulloch, Cromb. ex Smith, 76. 
89. Glen Fender, Cromb. 
L. plana Nyl. On mountain rocks and boulders of schist. 
87. Ben-a-Chroin. South side of Am Binnein, at 3400 ft. 88. 
Frequent in this vice-county, ascending to 3900 ft. on Ben Lawers. 
89. ow Fender, Cromb. in Grev. i. 170. 
L. mesotropoides Nyl. On sabato or schistose stones. 88. 
Craig Tulloch, 1871, Cromb. ex Leight. ed. 3, 283. 
L. lactea F . On siliceous rocks in mountain districts, - 
