368 LICHENACEI. [LECANORA. 
—Physcia parietina 6. laciniosa et ¢. concolor Mudd. Man. pp. 113, 
114. Parmelia parietina e. laciniosa Duf. in Fr. Lich. Eur. (1831) 
p. 73. Physcia candelaria Mudd, Man. p.114. Lecanora candelaria 
Hook. Fl. Scot. ii. p. 51 pro parte; Tayl. in Mack. FI. Hib. ii. 
p. 189; Cromb. Lich. Brit. p. 48; Leight. Lich. Fl. p. 182, ed. 3, 
p- 167. Squamaria candelaria Sm. Eng. Fl. v. p. 194. Psoroma 
candelarium Gray, Nat. Arr. i, p. 445. Lichen candelarius Huds. 
FL. Angl. p. 444 pro parte; Lightf. Fl. Scot. ii. p. 811 pro parte; 
With. Arr. p. 27 pro parte; Eng. Bot. t. 1794. Lichen concolor Dicks. 
Crypt. fasc. iii. p. 18, t. ix. f. 8 pro maxima parte.—Lichen cande- 
larius of Linneus and the older authors is a nomen vagum including 
species belonging to different genera and cannot be retained. 
Lichen concolor Dicks. pro parte must also be rejected in order to 
prevent confusion with Lecanora concolor Ram. In Lamy, Lich. 
Mt. Dor. p. 65, Nylander proposes the name concolorans, but, as he 
states, Lich. Scand. p. 108, that Parmelia laciniosa Duf., according to 
original specimens, is entirely this species, Dufour’s name must be 
adopted.— Brit. Exs.: Leight. n. 12; Larb. Lich. Hb. n. 53. 
Closely resembles states of Physcia lychnea, with which it has often 
been confounded. It is, however, well distinguished by the absence of 
any reaction and by the number of the spores. The apothecia are not 
usually present in the British specimens. Var. granulosa Leight. J. ce. 
Exs. n, 12, is only a stunted, more granulose state, of common occur- 
rence. 
Hab. On trunks of trees and on old pales, rarely on walls, in maritime, 
lowland, and upland districts— Distr. General and common in Great 
Britain; apparently rare in Ireland and the Channel Islands.—B. M.: 
St. Lawrence, Island of Jersey; Vale Castle, Island of Guernsey. Wal- 
thamstow and Epping Forest, Essex; Penshurst Park, Kent; Lyndhurst, 
New Forest, Hants; near Penzance, Cornwall; Stowell Park, Glonces- 
tershire ; Windsor Great Park, Berkshire; Cherry Hinton, near Cam- 
bridge ; Berwick, near Shrewsbury, Shropshire; near Barmouth, Merio- 
nethshire; Stokesley, Yorkshire; near Keswick, Cumberland; Levens 
Park, Westmoreland. Doune Castle and Killin, Perthshire; Durris, 
Kincardineshire; Abergeldie, Braemar, Aberdeenshire ; Fort William 
and Rothiemurchus, Inverness-shire. Near Limerick; Blackrock, near 
Cork; Killarney and Dunkerron, co. Kerry. 
24, L. vitellina Ach. Lich. Univ. (1810) p. 403.—Thallus effuse, 
subareolate, granulose, vitelline or yellow-vitelline; granules minute, 
crenate or sublobulate or verrucoso-glomerate, usually crowded 
(K—). Apothecia submoderate, sessile, plane or convex, tawny- or 
livid-yellow (K—), the thalline margin entire or granulato-crenu- 
late; spores (12-24-32nz) ellipsoid or oblong, simple or obsoletely 
J-septate (or apically 2-locular), 0,008-15 mm. long, 0,004-6 mm. 
thick.—Cromb. Lich. Brit. p. 48; Leight. Lich. Fl. p. 180, ed. 3, 
p. 186; Sm. Eng. FL v. p. 192; Hook. Fl. Scot. ii. p. 49; Tayl. in 
Mack. FI. Hib. ii. p. 188.— Callopisma vitellinum Mudd, Man. p. 135. 
Lichen vitellinus Ehrh. Exs. (1785) n. 155; Dicks. Crypt. fase. iv. 
p. 23; Eng. Bot. t. 1792. To this is also referable var. corruscaus 
