70 THE LICHENS OF PERTHSHIRE 
and 77. Still on Ben Lawers, in the west corrie, at 3900 ft. 
1913. 
VERRUCARIACER. 
Verrucarta lovata Ach. On a and stones, usually in 
streams. 88. Ben Lawers, Smith, 2 
margacea Wahlenb. On moist =e in and on the margins 
of streams. 88. Craig Tulloch and Ben Lawers, Smith, 281. 
89. Glen Tilt, Cromb. ex Leight. ed. 1, 416. 
*V. athiobola Wahl. In similar situations to the preceding. 
88. perp stream near Rannoch aoe 1910. Glen ae 
*Var. acrotella A.L. Sm. 88. Shore of Loch Tummel, 1912 
viridula Ach. On ee re aids: 89. Spital of Glen 
Shee, oo ex 7 ed. 1, 4 
V. macrostoma ‘ n cuir situations to the above. 
88. Craig Tulloch, Groin ex Leight. 2 
V. nigrescens Pers. On calcareous “rocks, walls and stones. 
88. Craig Tulloch, Cromb. ex Leight. ed. 1, 421. Ben Lawers, 
Smith, 286. 89. Gg 1912. 
*V. mauroides Schaer. On calcareous rocks. and stones. 
88. Achmore, Killin 
V. cor = V. plumbea Ach.). On limestone rocks 
*V.muralis Ach. On the mortar of walls, &. 88. Near Killin. 
89. pose of bridge between Dunkeld and Loch of Lows, 1912. 
. integra Carroll. On limestone rocks and walls. 88. Craig 
Tulloch, Grom. ex Leight. ed. 3, 457. 
V. calciseda DC. On limestone rocks and walls. 88. Craig 
Tulloch, Cromb. ex Leight. ed. 3, 458. 
Thelidium pyrenophorum Koerb. On calcareous and schistose 
rocks in mountain districts, ascending to the cairn on Ben Lawers 
Crom. 88. Ben Lawers! Jones ex Mudd,296. Craig Tulloch, 
T. explicatum nobis (Verrucaria explicata Stirt. in Scottish 
Nat. 1880, 4). In similar situations — = preceding. 88. Near 
the summit of Ben Lawers, Séirt. 
T.papulare Arn. On rocks in haces districts. 88. Creag- 
1866 25. 
Polyblastia intercedens Loennr. On schistose and calcareous 
rocks. 88. Ben Lawers, 1864, Jones ¢& Carroll in J. Bot. 1865, 
292. Still there at 3350 ft. in 1913. 
P. fuscoargillacea Anzi. Onrocks. 88. Craig Tulloch, Cromb. 
ex Leight. ed. 1, 455. = lane at 3350 ft., 1913. 89. Base 
P. mumbrata A. L. Sm. On schistose rocks. 88. Ben 
Lawers, 1864, Jones ex aol in J. Bot. 1865, 292.. Creag-an- 
Lochan, at 2200 ft., Wat 
P. Se =i Recents “On mossy earth in 9% situations. 
88. Summit of Ben Lawers, Jones & Carroll, loc. +i 
