92 CYCLOCARPINEE [PELTIGERA 
and the downy covering of the surface, due to the outgrowth of 
large branching anastomosing hyphe, tends to disappear on raised 
or exposed portions of the thallus (a characteristic of var. membran- 
acea). Pyenidia occasionally occur in tubercles on the margins of 
the lobes; they are brownish-black with spores 9-12 » long, 4-5 p thick. 
Hab. Among mosses on the ground, the tops of old walls and on 
boulders, ete.— Dist. General and common throughout the British 
Isles.—B. M. Guernsey ; Jersey ; near Penzance, Withiel and Land’s 
End, Cornwall; Lustleigh, Devon; New Forest, Hants; Sheffield 
Park and Maresfield, Sussex; Hyde Park, London, Middlesex (18th 
cent.) ; near Hereford; Malvern, Worcestershire ; Polesworth, 
Warwickshire; Clee Hill and Haughmond Hill, Shropshire; Bar- 
mouth and near Dolgelly, Merioneth; Snowdon and near Conway, 
Carnarvonshire ; Anglesea ; Chatsworth, Derbyshire; Mildenhall, 
Suffolk; Ayton, Cleveland, Yorkshire; Teesdale, Durham; The 
Cheviots, Northumberland; near Berwick-on-Tweed; Alston and 
Calder Bridge and Patterdale, Cumberland ; New Galloway, Kirkeud- 
brightshire ; Appin, Barcaldine and Inverary, Argyll; Glen Lochay, 
Killin and Blair Athole, Perthshire; Strathmartin, Forfarshire; 
Durris, Kincardineshire; Corriemulzie, Castleton of Braemar and 
Countess Wells, Aberdeen; near Forres, Elginshire; Glen Nevis, 
Invernessshire ; Applecross, Rossshire; Rostellan and Castlemary, 
Cork; Killarney, Kerry ; Kylemore and Doughruagh Mts., Connemara, 
Galway ; Achill Island and Clare Island, Mayo; near Belfast, Antrim. 
Var. erumpens Hue in Nouv. Arch. Mus. Paris sér. 4, i. 
p- 96 (1900).—Thallus greyish-green, decumbent, thin, small, 
lobate, the lobes at first rounded, subintegrate, smooth or thinly 
tomentose, with central glaucous or whitish soredia, beneath 
whitish with reticulate veins.—Peltidea erumpens Tayl. in Lond. 
Journ. Bot. vi. p. 184 (1847). Specimen not seen. 
Distinguished by the small size and the superficial soredia. Hue 
gives the size of the variety as 1 cm. long, 6-10 mm. wide, but 
Taylor’s specimen is recorded as much larger, the thallus being 
1-2 inches wide. 
Hab. On sides of dry banks, Dunkerron, Kerry. 
2. P. spuria DC, Fl. Franc. ii. p. 406 (1805).—Thallus small 
(2-4 cm.), subascending, somewhat downy or pruinose, greyish- 
green, beneath whitish with rather strong white nerves and few 
white rhizine. Apothecia on digitate lobes, rather small, 
roundish, then oblong and revolute, brown or reddish-brown, 
minutely crenulate or denticulate round the margin ; spores 
3-7-septate, 56-75 p long, 3°5-4°5 p thick.—Leight. Lich. Fi. 
p. 108; ed. 3, p. 103. P. canina var. pusilla Fr. Lich Eur. 
p. 45 (1831); Mudd Man. p. 83. P. rufescens subsp. spuria 
Cromb. Lich. Brit. p. 29 (1870). Lichenoides digitatum cinereum, 
Lactuce foliis sinuosis Dill. Hist. Muse. p. 200, t. 27, fig. 102 
a-p (1741). Lichen spurius Ach. Lich, Suec. Prodr, p. 159 
(1798); Engl. Bot. t. 1542. Peltidea spuria Hook. in Sm. Engl. 
Fl. v. p. 215 (1833). 
Eexsice. Johns. n. 308. 
Aa 
