PELXIGEUA.] riOLTJGKKIor. 2'Ji 



iiTCg'iilarly cromilate ; spores atlfiiuntu-fiisifonn, tliinly .'j-7-soptii(e, 

 0,0()()-8l nun. long, U,0(.i4-5 mm. thick. —]Miuld, Man. p. H;3 ; 

 Cromb. Licli. IJiit. p. 2*J ; Leiglit. Lich. Fl. p. lOi), cd. 3, p. 10:j.— 

 I'eltidea poli/dacti/la Gray, Nat. Arr. i. p. 4*^8 ; Hook. Fl. Scot. ii. 

 p. Gl ; Sm. Eng. Fl. v. p. 220 ; Tayl. in Fl. Hib.ii. p. 154. Licheti 

 jioh/dactylon Neck. Moth. Muse. (1771) p. 85 ; With. Arr. cd. 3, 

 iv. p. 69. Lichen caniniis y. polyducUjlon Lightf. Fl. Scot. ii. p. 840; 

 II lids. Fl. Angl. ed. 2, p. 547. Lichenoides cineretim poiydaclylon 

 Dill. Muse. 2U7, t. 28. f. 107.— To a state of this belongs also the 

 foUoNving : — Peltidea lullucida Ach., Gray, Nat. Arr. i. p. 42'J. 

 Lichen canimis 'h. Huds. Fl. Angl. ed. 2, p. 547. Lichenoides nieni- 

 branaceum pellncidiim, 2>cUis ditjitalis (/eniinatis Dill. Muse. 208, 

 t. 28. f. lOS.— Brit. Kcs. : Cromb. n. 148 ; Bohl. nos. 50, 71. 



This apprciaelies P. rufesccns, but is distinguished by the uumerously 

 lobed thallus with its glabrous aud shiniug u])per surface, and by tlie 

 form of the smaller apothecia. These are usually abuudaut, adnate or 

 elongate aud attenuate lubes, and at length become revolute. Sometimes 

 they occur two together (geminate) uu each fertile lube, in which state 

 it is represented in Dill. /. c. (Pcltided pellucida Ach.). On the margins 

 of the lobes pycnides occasiunally occur, with stylospores oblong, oblougo- 

 fusiform ur almust ovoid, 0,007-0,012 mm. long, 0,003-4 mm. thick. 



Hub. Among mosses and short grass in shady situations in maritime 

 aud upland districts. — Distr. General aud usually plentiful in most paits 

 of Great Britain ; rare in Ireland and the Channel Islands. — 13. M. : 

 Island of Guernsey. Epping Forest, Essex ; High liocks, Tuubridge 

 Wells, Kent ; Dartmoor and near Tutnes, Devonshire ; near Penzance 

 and Withiel, Cornwall ; Milton, Oxfordshire ; Gogmagog Hills, Cam- 

 bridgeshire ; near Worcester and Malvern, Worcestershire ; near Oswestr}', 

 Shropshire ; Aberdovey and near Dulgelly, Merionethshire ; Island of 

 Anglesea; Eglestone, Durham; Lamplutrh, Cumberland. New Gallo- 

 way, Kirkcudbrightshire ; Auchiudenny Woods, near Edinburgh ; 15ar- 

 caldine, Argyleshire ; Glen Lochay and Glen Fender, Perthshire ; Cor- 

 riemulzie, Braemar, Aberdeenshire ; Lochaber, Inverness-shire ; near 

 Forres, Elgin; Applecruss, Ross-shire. Crumaglown, Killarney, co. 

 Kerry; K3demore, co. Gal way. 



Form 1. collina Nyl. Lich. Seand. (1861) p. 00.— Thallus smaller, 

 the lobes narrower, crisp at the margins. Apothecia as in the type. 

 —Cromb. Journ. Bot. 1870, p. 300 ; Lcight. Lich. Fl. ed. 3, p. i04. 

 — Lichen collinus Ach. Prodr. (1708) p. 162. 



Easily recognized by the lobes. The thallus is rather li-agile when 

 dry, and the apothecia are not uumerous. 



Jlah. On decayed mosses on the ground and old walls in upland tracts. 

 — Didr. Local aud rare on the S. and N. Grampians, Scotland, and in W. 

 Ireland ; no doubt to be detected elsewhere.— B. M. : Glen Lochav, 

 Perthshire ; Glen CI any, Braemar, Aberdeenshire. Killarney, co. Kerry. 



Form 2. inicrocarpa Xj-l. Syn. i. (1860) p. 327.— Thallus small, 

 the t'ettile lobules short, narrow, subbifid. Apothecia minute. — 

 Cromb. Grevillea, sv. p. 77. — Peltidea polydactijla y. microcarpa 

 Ach. Lich. Univ. (18l0j p. 520. 



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