THE LICHENS OF PERTHSHIRE 47 
Common in all three vice-counties.. The highest stations so have 
noted are 2750 ft. on Meall Chuirn, 3000 ft. on Ben-a-Chroin, and 
2800 ft. on Lt Gloe, but it probably asitinsia higher. 
S. tomentosum Fr. Gravelly stony places amongst the moun- 
tains, weacntedinty ti to 3500 ft. or oe on Ben Lawers. 88. Ben 
Lawers!, Lindsay ex ae ed. 1, 78. Ben Laoigh, Travis. 
89. Ben Vrackie, at 2700 ft 
S. alpinum Lamy. In ‘similar situations to the preceding. 
88. Summit of Ben Lawers!, Birnam Hill, and Blaeberry Hill, 
near Perth, Lindsay ex Mudd, 66. King’s Seat, Killin, Watson. 
2 Binnein and Ben More, at 3500 ft. Ben Laoi igh. 89. Ben 
rack 
S. denudatum Floerke. On rocks and boulders in upland and 
More, at 3750 ft., 1905. 
Form capitatum Flot. 88. Ben Lawers, Crombd. 121. 
Var. pulvinatum Flot. 88. Ben Lawers (Phytol. 1843, as 
S. botryosum, which has not been detected in Britain). Creag- 
na-Caillich ; and Loch Eagh, Rannoch Moor, Cromb. Ben More, 
1905. 89. Ben Vrackie, 1912 
. eondensatum Hoffm. Rocks and turf-covered walls, ascend- 
ing to the on Ben Lawers, 3990 ft. 8'7. Glen Falloch. 
88. pes oe ‘Cromb: Ben More, Ben Lawers, and Meall Chuirn, 
1912. 89. Glen Fender, Cromb. Above Moulin. 
Var. condyloideum Nyl. 88. Ben Lawers, Cromb. ex Leight. 
ed. 1,80. 89. Glen Fender, Cromb. 
S. pileatum Ach. Onrocks. 88. Ben Lawers, Holl ex Leight. 
ed. 1, 80. Glen Lochay and Glen Ample, Cromb. 
Leprocaulon nanum Nyl. On earth in the crevices of rocks 
and on walls and banks. 88. Glen Lochay !, Holl ex Leight. ed. 1, 
80. 89. “Near Perth in Den of Baltha ayoc ck and in various other 
glens and ravines among the Sidlaw Hills, ” Lindsay, 262. Stenton 
Hill, Dunkeld, Lindsay ex Mudd, 67. 
Pycnothelia aepleeeone Duf. On the in dry exposed 
places on mountains or moors, ascending to 2400 ft. on Ben 
a rs. 87. Near the head of Glen Falloch, 1913. 88. Rar 
n Ben Lawers!, Phytol. 1843. Rannoch, Cromb. 89. Ben 
Venokio, at 1400 ft. 
ladonia firma Nyl. 88. King’s Seat, near Killin, at 2800 ft., 
1913, Watson. 
C. Fr. On banks, walls, rocks, and about the roots 
of trees. Frequent in all three vice-counties ~ very variable, 
several “forms” sometimes occurring in the same group o 
plants, such as form simplex Roth., form costata Fk. and form 
syntheta Ach. 
Form lophyra Coem. 88. Rannoch, Cromb. 1 
Var. pocillum Fr. 88. Killin and Rannoch, ae 130. Glen 
Lyon. 89. Invergowrie, S, Wilson 
