288 LICHKXACEI. [PELTIGEHA. 



ash-coloured upper surface, and its -whitish under surface with long white 

 rhizinfB. The lobes are of moderate size, though many usually compose 

 an individual plant, which then spreads extensively. It is common in 

 fruit, espicially with yoimsrer apothecia, nor do these attain anv great 

 size in age. On the margin-; of the lobes pycnides are occasionallv seen. 

 These are tubercular, brownish-black, the conceptacle colourless beneath; 

 stvlospores oblong, 0.009-0,012 mm. long, 0.004—5 mm. thick (vide Xvl. 

 Syn. i. t. 1. f. 27).' 



Hah. Among mosses on the ground, the tops of old walls, on boulders 

 and about the roots of trees in lowland and upland situations.— -Z)j><r. 

 General ai;d common throughout Great Britain, and pi'obably Ireland ; 

 rare in the Channel Islands. — B. M. : Island of Guernsey. Epping Fore.st, 

 Essex; Xew Forest, Hants; near Penzance and Withiel, Cornwall; 

 Madingley, Cambridgeshire ; Wychwood Forest, Oxfordshire ; Clee Hills, 

 Shropshire; near Dolgelly, .Merionethshire: Snowdon, Carnaryonshire ; 

 Cleveland, Yorkshire: Teesdale, Durham: The Cheviots, Northumber- 

 land. New Galloway, Kirkcudbrightshire ; Barcaldine, Argyleshire ; 

 Glen Lochay and Biair Athole, Perthshire: Durris, Kincardiufshire ; 

 Countesswells and Castleton of Braemar, Aberdeenshire : U'-ar Forres, 

 Elginshire; (xlen Nevis, Inyerness-.shire ; Applecross, Ross-shire. Near 

 Belfast, CO. Antrim ; Killarney, co. Kerry. 



Yar. ft. membranacea Xyl. Syn. i. (1860) p. 824.— Thallus 

 thinner, more glabrous (subtomentellose), roundly lobed, the fertile 

 lobes short. Apothecia small. — Cromb. Lich. Brit. p. 29 ; Leight. 

 Lich. Fl. p. 108. — Peltidea canina y. memhranacea Ach. Lich. Univ. 

 (1810) p. 518.— SnV. Exs. : Larb. Lich. Hb. n. 45. 



Distinguished by the thallus and apothecia, the characters of which, 

 according to Nylander in lift., entitle it probably to rank as a subspecies 

 (cfr. Zw. Lich. Heidel. p. 2)). It is not frequent in fruit, and even 

 when present the apothecia are but few. 



Hitb. Among mosses on the ground in shady places in maritime, low- 

 land, and upland districts. — iJistr. Not very general, though common 

 where it occurs in Great Britain, and perhaps also in Ireland. — B. M. : 

 Near Penzance, Cornwall; Hyde Park, London (olim) : Barmouth. 

 Merit methshire ; near Conway, Carnarvonslire : Island of Anglesea; 

 Patterda'e, Cumberland. Barcaldine, Argyleshire ; Killin and Blair 

 Athole, Perthshire : Strathmartin, Forfarshire ; Corriemulzie, Braemar, 

 Aberdeenshire. liostellan, co. Cork ; Kylemore, Connemara, co. Galway. 



'6. P. rufescens Hoffm. Deutsch. Fl. ii. (1795) p. 107. — Thallus 

 moderate, somewhat thickish, subtomentellose, roundly lobed, crisp, 

 greenish- or greyish-brown when moist, pale, pale-cervine or 

 greyish-red when dry ; beneath with thick coarse dark or brownish 

 nerves and few rhizinse. Apothecia moderate, rotundato-oblong, at 

 length revolute, red or brownish-red, the margin denticulate ; spores 

 elongato-fusiform, 3-5-septate, 0,042-72 mm. long, 0,004-5 mm. 

 thick.— Cromb. Lich. Brit. p. 29; Leight. Lich. Fl. p. 108, ed. .S, 

 p. 102. — Peltigera canina ft. rufescens Mudd, !Man. p. 82. Peltidea 

 rufescens Hook. Fl. Scot. ii. p. 60 ; Sm. Eng. Fl. v. p. 216. Lichen 

 rtifescens Eng. Bot. t. 2300 : With. Arr. ed. 3, iv. p. 405 ; Lichen 

 rufu.s (eiTore) ]>. 7<l. Lichen cnninvs ft. rufe-srens Lightf. Fl. Scot, 

 ii. (1777) p. >^-l6 ; Huds. Fl. Angl. ed. 2, ]). 547. Piltii/ea crispa 



