54 THE LICHENS OF PERTHSHIRE 
ascending to 3800 ft. on a Lawers. 88. Ben Lawers! Holl ex 
Leight. ed. 1, 280. Craig Tulloch, Cromb. ner Watson. 
bs granulosa Schaer. Bare e peaty ground on moors; some- 
times on stumps of dead firs. Frequent in moorland parts of all 
three vice-counties, as pom is the var. escharoides Schaer. The 
latter at over 3900 ft. on Ben Lawers, Watson 
L. flexuosa Nyl. Old palings and stumps of trees, especially 
larch. 87. Glen Falloch, Cromb. 88. Killin! peg ex Leight. 
ed. 1, 260. Creag-na-Caillich and Achmore, Smith, 2 
Form eruginosa Leight. 88. Killin, Cromb. Lich enes, 66. 
L. gelatinosa Floerke. On bare ground or creeping over 
mosses. 87. Glen Falloch. 88. Aberfeldy, Smith, 28. 
L. demissa Th. Fr. On peaty and gravelly soils and earth- 
capped walls, more rarely on schistose rocks. Probably frequent. 
It ascends to 3600 ft. or higher. 88. Ben Lawers 
Leight. ed. 1,250. Crianlarich !, ‘Holl, ib. Creag-na-Caillich and 
Loch joricht Smith, 30. Near the summit of Ben Laoigh. 
9. Ben-y- -Vrackie and Ben- -y-Gloe 
L. uliginosa Ach. Peaty and sandy = and mossy stumps of 
trees. Frequent in all three vice-countie 
ar. humosa Ach. 88. Ben Lawers and Rannoch, Smith, 31. 
Ben Lawers, at 3940 ft., 1913. 
DL. fuliginea Ach. On old a — ar wood, 87. Glen 
Falloch, Smith, 32. 88. Ben d Creag-na-Caillich, 
Smith, 32. 89. Glen Tilt. Nar Ten of a Dunkeld, 
L. perobscura Nyl. On old fir greg 88. Near Killin, but 
ese Y 1873. Cromh, in Grev. il. 140. 
mals Ach. On u Saeuia mosses on the ground, and on 
rocks in alain cae 88. Near the summit of Ben Lawers, 
Jones ex Carroll, J. Bot. 1865, 290. Above Lochan-a-Chait, 
L. minor Nyl. On the smooth bark of trees. 88. Finlarig, 
L. tenebricosa N yl. On tree trunks in wooded upland ee 
87. Glen Falloch, Smith, 35. eo Fer near Killin, 
L. cuprea Sommerf. On t e ground in Ps, wae ‘aitantions: 
88. Near the summit of Ben ae Cromb. Lic 
L. Berengeriana Th. Fr. Encrusting jocaved: canis on the 
ground on mountains. 88. eyes the summit of Ben Lawers! 
Carroll ¢ Jones in J. Bot. 1866, 2 
Var. lecanodes Nyl. 88. Ben fee 1871, Séirt. in peed ii. 71. 
L. cupretformis NyL In similar situations to the preceding. 
88. Above Lochan-a-Chait, Jones € Cromb. ex Cromb. pases 68. 
L. ochrococca Nyl. On trunks of trees in wooded mountain 
districts. 87. Glen Belles Carroll in J. Bot. 1865, 286. 
88. Ben Lawers and Black Wood of Rannoch, Smith; 36. 
89. Glen Tilt, on decorticated stumps, 1912. 
