34 THE LICHENS OF PERTHSHIRE 
m 
Form lobulata Cromb. 88. Killin, Cromb. 10. 
X. lychnea Th. Fr. On rocks, walls and trunks of trees. 
88. Ben Lawers, Holl ex Leight. ed. 1,144. Granite boulders on 
o 
Var. pygm@a Nyl. 88. Killin, Cromb. 301. 
Physcia ciliaris DC. On trunks of trees. es ee Cromb. 
303. 89. Balthayock, Lindsay ex Leight. ed. 1, 145. 
ar. saxicola Nyl. On rocks. 88. Craig Tulloch, near Blair 
Atholl, Cromb. 303. 
> Form verrucosa Leight. 89. Balthayock, Lindsay ex Leight. 
ed. 1, me 
P. speciosa Nyl. “ mossy rocks and trees. 87. Glen Falloch, 
Holi ex Lésght. ed. 1, 150. 
P. pulverulenta Nyl. ‘On the trunks of trees, especially ash, in 
open situations. Frequent in all three vice-counties. 
orm panniformis Cromb. 88. Craig Tulloch, Cromb. 306. 
Aberfeldy, Watson. Glen Lyon. Mossy trunks on the south side 
of Loch Rannoc 
Form iepgiien Nyl. 88. Craig Tulloch, Cromb. 307. Fin- 
larig, 1913. 89. Cargill. 
*Var. angustata Nyl. 88. Strath Tummel, 1911. 
Var. subvenusta Nyl. 88. Finlarig, Cromb. 307. Strath 
Tummel. 89. Near the foot of Glen Tilt. Abernyte, 1914. 
P. venusta Nyl. Trunks of trees, often growing with = 
preceding. 87. Near Loch Achray, 1914. 88. Loch Tay, Ken 
more, Cromb. 08. apron at sa tag a Crianlarich. 
P. pityre a Nyl. On tree trunks. 87. Blair Drummond, near 
Stirling. Near Loch Voil. Aberfoyle, 1914. 88. Glen Ample, 
Cromb. 309. 89. Strelitz Wood, near Cargi 
. muscigena Nyl. On mossy earth ; rare. 88. Ben Lawers, 
4 ie Leight. ed. 1, 147. Craig Tulloch, Geonbe ve Leight. 
2. subdetersa Nyl. On mossy rocks. 88. Ben Lawers, 
ada 
is Nyl. On siliceous rocks; rare. 88. Moncreiffe 
Hil, lee - Perth, Lindsay ex Mudd,111. Aberfeldy, Macmillan, 
P, siellaris Nyl. On tree trunks. 88. Finlarig, Cromia 311. 
On sycamores, Inverhaggernie, near Crianlarich. Trees by Loch 
rey near Fearnan and near Killin. Strath Tummel. * 82, Pit- 
