PANNARIA | PANNARIACEX! 87 
land; The Cheviots, Northumberland ; New Galloway, Kirkcudbright- 
shire; near Roslin Castle, Midlothian ; Bowling Bay, Dumbarton- 
shire; Barcaldine, Airds and Appin, Argyll; Fortingall, Killin, Ben 
Lawers, Craig Calliach and Den of Reichip, Perthshire ; near Forfar ; 
Linn of Dee and Corriemulzie and Glen Ey, Braemar, Aberdeenshire ; 
near Fort William and Invermoriston, Invernessshire; Brandon Mt., 
Tore Mt., Cromaglown, Dunkerron and Killarney, Kerry; Killery 
Bay, Connemara, Galway. 
3. P. Hookeri Ny]. in Mém. Soc. Sci. Nat. Cherb. v. p. 109 
(1857).—Thallus squamulose, the squamules lobate-radiate and 
somewhat plicate at the circumference, appressed, crowded 
and imbricate, crenate towards the centre, greyish-brown or 
leaden-greyish in colour ; hypothallus black. Apothecia rather 
small, plane, blackish, pale within, with a thin grey somewhat 
crenulate margin ; spores ellipsoid-ovoid, 12-19 p long, 5-9 p 
thick ; hymenial gelatine bluish then sordid-red with iodine.— 
Mudd Man. p. 125; Cromb. in Grevillea xviii. p. 43 (1890) (incl. 
var. leucolepis). P. leucolepis Nyl. Lich. Scand. p. 123 (1861) ; 
Cromb. Lich. Brit. p. 42; Leight. Lich. Fl. p. 165; ed. 3, p. 151. 
P. Hookeri var. leucolepis Nyl. Syn. ii. p. 33 (1885); Cromb. 
Monogr. i. p. 339. Lichen Hookeri Borr. in Sm. Engl. Bot. 
t. 2283 (1811). L. leucolepis Wahlenb. Fl. Lapp. p. 410 (1812). 
Lecanora Hookeri Hook. Fl. Scot. ii. p. 51 (1821). Squumaria 
leucolepis Hook. in Sm. Engl. Fl. v. p. 194 (1883). 
Eexsicc. Leight. n. 267. 
Characterized by the leaden-coloured thallus. It is usually well 
fertile with crowded apothecia, which become black with age. 
Hab. On micaceo-schistose rocks in alpine places.—Distr. Local 
and scarce on the Scottish Grampians.—B. M. Ben Lawers, Mael 
Graedha and Craig Calliach, Perthshire. 
4. P. nebulosa Nyl. in Mém. Soc. Sci. Nat. Cherb. ii. 
p. 324 (1854) & Lich. Scand. p. 125.—Thallus effuse, granular- 
crustaceous, irregularly cracked, the granules crowded, greyish 
or dark-bluish-grey, often blackish-green. Apothecia small, 
plane, or somewhat convex, red or reddish-brown, internally 
pale-coloured, with an interrupted granular margin (coronate) ; 
spores ellipsoid-fusiform, the wall slightly uneven, 15-24 p long, 
6-9 p thick; hymenial gelatine faintly bluish then wine-red 
with iodine.—Cromb. Lich. Brit. p. 42; Leight. Lich. Fl. p. 168 ; 
ed. 3, p. 153. P. brunnea var. coronata Massal. Ric. Lich. p. 115 
(1852); Leight. Lich. Fl. p. 166 (1871); ed. 3, p. 152. Lichen 
pezizoides Dicks. P). Crypt. fase. i. p. 10 (1785) (non Web.) ; 
With. Arr, ed. 3, iv. p. 21. Patellaria nebulosa Hoftm. Pl. Lich. 
ii. p. 55, t. 40, fig. 1 (1794). Verrucaria coronata Hoffm. 
Deutschl. Fl. ii. p. 175 (1795). Lecanora pezizoides Borr. in 
Engl. Bot. Suppl. t. 2801 (1837). 
Exsicc. Johns. n. 95; Larb. Cesar. n. 26 & Lich. Hb. n. 13; 
Leight. n. 235. 
