eat ae 
164 CYCLOCARPINEE [EVERNIA 
Hab. On the trunks of trees, old palings, walls or rocks in upland 
districts. — Distr. General and somewhat frequent in upland districts 
of Great Britain; apparently rare in Ireland.—Bb. M. Helminton, 
Cornwall; Dartmoor and South Brent, Devon; New Forest, Hants ; 
Eridge, Sussex; Twycross, Leicestershire; near Oswestry, Caer 
Caradoc and Wrekin Hill, Shropshire ; Dolgelly, Barmouth and Cwm 
Bychan, Merioneth; Carnedd Dafydd, Carnarvonshire; Anglesea ; 
Chesterfield and near Buxton, Derbyshire; Farndale, Yorkshire ; 
Egglestone, Durham; Chillingham Park, Northumberland; New 
Galloway, Kirkcudbrightshire ; Swanston Wood near Edinburgh ; 
Glen Falloch, Argyll; Blaeberry Hill, Glen Lochay, Killin, Crian- 
larich, Pass of Leny and Glen Lyon, Perthshire; Deerhill Wood and 
Rossie Moor, Forfarshire; Durris, Kincardineshire; Invercauld, 
Auchindryne and Castleton, Braemar, Aberdeenshire; Glen Nevis, 
Invernessshire. 
Form scobicina Cromb. Lich. Brit. p. 24 (1870)—Fronds 
frequently broader, darker in colour, densely isidiose and 
fibrillose ; otherwise as in the species.—Leight. Lich. Fl. p. 90. 
Parmelia furfuracea var. scobicina Ach. Meth. Lich. p. 255 
(1803). 
Ezxsicc. Johns. n. 66. 
A growth form of very pronounced character and frequently 
associated with the smoother species. It is rarely fertile and the 
apothecia may be isidiose on the receptacle and on the margin. 
Hab. On the trunks of trees, old palings and stone walls in upland 
districts.— Distr. Rather local, though plentiful in W. and Central 
England; but chiefly in the Grampians, Scotland.—B. M. Weald 
Hall, Essex; Chesterfield and Chatsworth, Derbyshire; Gopsall 
Park, Leicestershire ; Malvern, Worcestershire ; Arkindale, Yorkshire ; 
Langley, Northumberland; Killin and Ben Lawers, Perthshire ; 
Johnston Hill, Forfarshire; Morrone and Castleton, Braemar, and 
Countesswells, Aberdeenshire ; Rothiemurchus, Invernessshire. 
Form ceratea Cromb. in Grevillea vi. p. 21 (1877).—Thallus 
decumbent, fronds narrow, convex and subcylindrical, acuminate, 
isidiose or subglabrous.—Parmelia furfuracea var. ceratea Ach. 
Meth. Lich. p. 255 (1803). 
Exsicc. Cromb. n. 139; Johns. n. 67. 
Distinguished by the narrow fronds. The British specimens are 
barren, though Acharius (Lich. Univ. p. 501) says the apothecia 
chiefly occur on this form. 
Hab, On rocks and old walls in upland districts—Distr. Rare 
in various districts of England and Scotland—B. M. Helminton, 
Cornwall; Hunter Tor, Dartmoor, Devon ; near Buxton, Derbyshire ; 
near Kendal and Windermere, Westmoreland ; Alston, Cumberland ; 
Pentland Hills, near Edinburgh; Glen Falloch, Perthshire; near 
Countesswells, Aberdeenshire. 
41. RAMALINA Ach. Lich. Univ. pp. 122 & 598 (1810). 
(Pl. 41.) 
Thallus of erect or partly pendulous fronds, branched, 
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