288 CYCLOCARPINE® [LECANORA 
Hab. On walls and rocks (chiefly calcareous), or rarely in crevices 
of walls from maritime to upland districts—Distr. General and 
common in most parts of the British Isles—B. M. Rozel, Jersey ; 
Sark; Newlyn Cliff, Penzance and Withiel, Cornwall; Peasemarsh, 
Hastings, Shoreham and Brighton, Sussex ; Holloway and Stanmore, 
Middlesex ; Wickham Bishops and Ulting, Essex, Cleve Hill and 
Bathampton Downs, Somersetshire ; Cirencester and Chalford, Glou- 
cestershire; Great Malvern, Worcestershire; Shifnal and Oswestry, 
Shropshire; Milton, Cambridgeshire; near Matlock, Derbyshire ; 
Anglesea; near Ayton, Cleveland, Yorkshire ; Rerrick, Kirkeudbright- 
shire ; King’s Park, Stirling; Ben Lawers and Craig Tulloch, Blair 
Athole, Perthshire; Portlethen, Kincardineshire; Craig Guie, 
Braemar, Aberdeenshire; near Fort William, Invernessshire; Kyle- 
more Lake, Connemara, Galway. 
Form livida Leight. Lich. Fl. p. 207 (1871).—Thallus pale or 
reddish-white, cracked-areolate, the areole scale-like. Apothecia 
sometimes immersed in the thallus, otherwise as in the species. 
—Leight. op. cit. ed. 3, p. 190. L. livida Ach. Lich. Univ. 
p. 375 (1810); Cromb. Monogr. i. p. 407. LZ. galactina var. 
livida Nyl. ex Cromb. Lich. Brit. p. 50 (1870). 
Exsicc. Johns. n. 237. 
A rare form, differing from the species in the somewhat more 
developed thallus and immersed apothecia, the latter character occurs 
sometimes in the species. 
Hab. On calcareous walls in upland districts.—Distr. Rare in 
N. England and W. Scotland.—B. M. N. England; Appin, Argyll. 
Form verrucosa Leight. Lich. Fl. ed. 3, p. 190 (1879).— 
Thallus in white dispersed convex verrucose pulvinuli. Apothecia 
small, immersed, crowded.—Cromb., in Grevillea xviii. p. 67 & 
Monogr. i. p. 405. LD. galactina var. deminuta Cromb. in Journ. 
Bot. xxiii. p. 195 (1885) (non Stenh.). 
Easicc. Johns. n. 109. 
The form is connected with the continental var. deminuta, but 
differs in the more scattered pulvinate habit. 
Hab. On calcareous rocks.—Distr. Rare in Wales, N. England 
and the Grampians, Scotland.—B. M. Mumbles, near Swansea, 
Glamorganshire ; Great Orme’s Head, Carnarvonshire; Asby, West- 
moreland; Craig Guie, Braemar, Aberdeenshire. 
Var. subluta Nyl. in Flora lix. p. 572 (1876).—Thallus 
effuse, minutely granulose, whitish (K —). Apothecia small, 
crowded, difform from pressure, pale yellowish-red, otherwise as 
in the species.—L. subluta Nyl. tom. cit. p. 232; Cromb. in 
Grevillea v. p. 106 (1877) & Monogr. i. p. 407 ; Leight. Lich. FI. 
ed. 3, p. 190. 
In one of the specimens from Dawros River, Connemara, the 
apothecia are larger and in pulvinate groups, and the thallus very 
scanty, with a reaction K (CaCl) + reddish-orange. 
Hab, On ealeareous rocks in upland situations.—Disty. Rare 
among the Grampians, Scotland, and in W. Ireland.—ZB. M. Ben 
Lawers, Perthshire; Recess and Dawros River, Connemara, Galway. 
