PARMELIA | PARMELIACE® 141 
Enum. Lich. p. 46 (1850); Cromb. Lich. Brit. p. 34; Leight. 
Lich. Fl. p. 135; ed. 3, p. 124. 
Euxsicc. Johns. n. 121; Leight. n. 79 pro parte. 
Distinguished by the form of the laciniz, which are also oceasionally 
crowded and panniform. The thallus is normally smooth, but some- 
times isidiiferous. 
Hab. On boulders and old walls in upland districts.—Distr. Rare 
in §., Central and W. England, N. Wales, 8.W. Highlands and 
S. Grampians, Scotland, rare in 8.W. and W. Iveland.—B. M. Near 
Penzance, Cornwall; Bardon Hill, Leicestershire; near Oswestry, 
Shropshire; Rhewgreidden, Llanbedr, Barmouth and _ Dolgelly, 
Merioneth; near Kendal, Westmoreland; Wastdale, Cumberland ; 
Inverary and Appin, Argyll; Ben Lawers, Perthshire ; Dunkerron, 
Kerry; Corraun Mt., Mayo. 
28. P. sinuosa Ach. Syn. Lich. p. 207 (1814).—Thallus 
suborbicular, rather small, laciniate-lobed, widely sinuate, smooth, 
the lobes narrow, pinnatifid, dilated and often sorediate at the 
apices, yellowish-green ; beneath blackish and densely rhizinose, 
usually to the edge, sometimes lighter in colour and bare at the 
tips (KET 8" then rea, CaCl). Apothecia central, rare, moderate 
in size or small, reddish-brown, the margin thin, entire ; spores 
11-20 p» long, 8-12 p» thick.—S. F. Gray Nat. Arr. i. p. 442; 
Hook. Fl. Scot. ii. p. 54 & in Sm. Engl. Fl. v. p. 203; Tay). 
in Mackay Fl. Hib. ii. p. 149; Mudd Man. p. 95 pro parte; 
Cromb. Lich. Brit. p. 33; Leight. Lich. Fl. p. 136; ed. 3, p. 125. 
Lichen sinuosus Sm. Engl. Bot. t. 2050 (1809). 
Exsicc. Larb. Lich. Hb. n. 8. 
Somewhat resembling P. /evigata in the sinuous branching, but 
differing in the narrower lobes and the colour of the thallus, and in 
the thalline reaction. 
Hab. On trunks of trees and on boulders in maritime and upland 
districts.—Distr. Rather rare in the Channel Islands, S. and W. 
England, §. and W. Scotland, and 8. and W. Iveland.—B. M. 
Guernsey; Ullacombe, Devon; Barmouth, Ty Gwn, near Dolgelly, 
Merioneth ; Anglesea; Brodrick Castle, Arran; Appin, Argyll; Glen 
Nevis, Invernessshire ; Applecross, Rossshire ; near Macroom, Cork ; 
Cromaglown and Dunkerron, Kerry ; Connemara, Galway. 
29. P. multifida A. L. Sm.—Thallus orbicular or irregularly 
spreading, narrowly laciniate, greenish-straw-coloured or pale- 
ochraceous, sometimes dark-greenish-brown towards the centre 
and sometimes with large tuberculose sulphur-coloured soralia, 
the lobes narrow, convex, rather gnarled, incurved at the 
apices ; beneath dark-coloured with short crowded black rhizinz 
(K=, CaCl). Apothecia small, reddish-brown, the margin sub- 
entire ; spores 8-12 pw long, 5-6 p thick.—P. recurva Ach. Meth. 
Lich. p. 201 (1803); S. F. Gray Nat. Arr. i. p. 442; Hook. 
Fl. Scot. ii. p. 54. .P. incurva Fr. Nov. Sched. Crit. p. 31 
(1826); Hook. in Sm. Engl. Fl. v. p. 202; Tayl. in Mackay 
