33 THE LICHENS OF PERTHSHIRE 
P, sulcata Tayl. vies tree trunks, walls, and rocks. Common 
in all three vice-countie 
Var. tad = He 88. Ben Lawers, Cromb. 243. Near the head 
of Loch Ran 
eaenin Ach. On rocks and boulders. Common in all 
three vice-counties. Amulree, Lindsay ex pi ed. 1, 139. - It 
fruits very freely on granite becislons: on a nnoch Moor. The 
soon Ach. 88. Ben More, Ben Lawers, and 
Harinook, Cromb, 244. Creag-na-Caillic 
*Form glomulifera Cromb. The peculiar glomeruli do not seem 
to be analogous to those of Ricasolia, but consist of a congested 
similar texture to the th allus. They occur 
e form is hardly entitled | to a separate name. 88. Rocks a 
of Rannoch Station, and on granite boulders near Loch Laidon. 
P. caperata Ach. On trees, rocks, a2 walls. Not uncommon 
in the south-west of the county, rare or unknown in the east. 
87. Blair Drummond and Aberfoyle!, EO. 246. On rocks 
near Loch Voil; Falls of Bracklyn; Loch Ard. 88. oe on 
a about Ben Lawers, Phytol. 1843. Kenmore, Cromb. 1 
'P. conspersa Ach. Rocks and walls. Frequent in the south- 
west of the county, less so elsewhere. 87. Frequent in this vice- 
county. 88. Blaeberry Hill, Lindsay ex Mudd, 102. Ben Lawers! 
and Aberfeldy, Cromb. 248. Loch Laidon and Crianlarich. 
89. Kinnoull Hill, Lindsay, 202. (Probably, from Lindsay’s de- 
scription, the f. isidiata Lei ight.) Near Killiecrankie and Dunkeld. 
er isidiata Leight. 88. Ben Lawers and Rannoch!, 
Cromb, 2 
Var. poser Ach. 88. Ben pottheg: Cromb. 2: 
P. Mougeotit Schaer. On rocks; 88. Ran = Stirton 
in Scottish Nat. 1880, 1. 89. Near e Dankel Holl ex Leight. 
ed. 1,136. King’s Seat, ye Hills, 1914. 
P. —— Nyl. On tree trunks. Frequent in all three 
vice-co 
. eens as Nyl. On tree trunks; apparently rare. 88. OD 
— Inverhaggernie, near Crianlarich, 1910. South-east 
ons of Loch Earn. 
P, gunowryiere Nyl. On tree trunks; rare. 8'7. Near Loch. 
Voil, 1912. 88. Glen Lochay, Cromb. 252. 89. Near Loch of 
Bu utterston, Danksld, 4 sae 
*P. proliza Nyl. On rocks; rare. 89. Near Moulin, 1912. 
King’s Seat, Sidlaw Hille, 1914, 
* 
