OF GREAT BRITAIN, 129 



Scotland :— Ballaeheulish ! Mr. Borrer. 



Ireland : — Dunkerron ! Dr. Taylor. 



Wales : — Dolbadarn, Caernarvonshire ! road-side between Tyn-y-groes and 

 Dol-y-mellyn Bridge, Merionethshire ! Mr. Borrer. Ty Gwyn near Dolgelley ! 

 Rev. T. Salwey. Aberdovey ! Dolgelley ! 



Channel Islands :— Guernsey. Rev. T. Salwey. 



Var, revoluta, (Flk.) sinuato-lobate, lobes cucullato^revolute and 

 tuberculoso-sorediate at the apices and often at the margins ; medulla 

 white K — C red. 



On trees. 



Stn : -Flk. Deut. Lich. 15 (1815) Nyl. Syn. 385. (exol. syn.) 



Exs :— Scheer. 612. Leight. 357. Nyl. 112. Mudd 69. Zw. 181. bis B. Larb. 64. 

 Rabh. 860. Anzi Langob. 256. Mass. 325. 



Geog. Distrib :— Europe. 



Bot. Prov:— 1, 2...5...7...15...19...26...31. 



England :— Penzance ! Rev. H. Penneck. St. Leonard's Forest ! Mr. Borrer. 

 Oswestry ! and Ludlow, Shropshire ! Rev. T. Salwey. 



Scotland : — Glenoroe ! Dr. Macmillan. 



Ireland : — Blaokwater Bridge, Kerry. Dr. Taylor. Kerry. Dr. Moore, near 

 Letterfraok ! Mr. Larbalestier. 



Wales : — Tygwyn near Dolgelley ! Rev. T. Salwey. Aberdovey. Rev. A. 

 Bloxam. Moel-y-gest ! 



Channel Islands :— Rozel ! Gorey, Jersey ! Mr. Larbalestier. 



•'Spores .011—14 mm. long, .007—8 mm. broad." (Nyl.) 



Var. mbsinuosa, (Leight.) lacinio? narrow, sinuato-pinnatifid, 

 apices attenuate, sub-truncate, cloven, under surface atro-fibrillose ; 

 medulla white K — C red. 



On trees and rocks. 1871. 



Exs :— Schaer. 561. Spruce 132. 176. Am. 137. 

 Bot. Prov:— 7... 26. 



Ireland : — Near Ballinahinch ! Mr. Larbalestier. 

 Wales :-Cwm Cwyion ! (1871). 



22. P. Delisei, (Dub.) Nyl. pale olive, lobes interwoven, eleva- 

 ted, narrow ; medulla K — C reddish. 



On rocks. 1872. 



Stn : — P. olivaeea, var. Delisei, Dub. Bot. Gall. 602. (1829). P. prolixa var. 

 Delisei, Nyl. Scand. 102. Flora 1872 p. 426. Crombie in Journ. Bot. n. s. 2. 133. 



Exs :— Nyl. Pyr. Or. 1. 54. 



Geog. Distrib : — Europe. 



Bot. Prov : — 1. 



England : — Kynnal Cliff, near Penzance. In this locality isidiiferous and 

 panniform conditions also occur. Mr. Curnow. 



23. P. incurva, (Pers.) ochroleucous or flavido-cinerascent, 

 sub-opake, orbicular, stellato-laciniose, appressed, lacinice narrow, 

 multifid, somewhat convex, crowded, apices incurved and imbricate,- 

 soredia albo-flavescent, verracoso- tuberculose, under surface concolor- 

 ous, rhizinae nigricant ; apothecia spadiceo-fuscous or dark rufes- 

 cent, small, margin sub-entire ; medulla K — C faint red. 



On rocks, rare. 1793. 



Stn :— Pers. in Ust. Ann. 7. p. 24. (1794). Nyl. Syn. 394. 



Fig :— Dicks. Cr. Br. t. 9. f. 7. 



Exs:— Tuck. 76. Fr. 259. Reich, and Schub. 88. Stenh. 123. 



Geog. Distrib : — Europe, N. America. 



Bot. Prov:-8...11...15...19...23...30. 



England : — Beamish Moor and Eglestone Fell, Durham ; Hedgehope and 

 Cheviot, Northumberland. Mr. Winch. Charnwood Forest, Leicestershire. 

 Rev. A. Bloxam. 



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