116 THE LICHEN-FLORA 



On rocks, not unfrequent. 



Syn : — Persoon in Acta Soc. Wetterav. 2. p. 16. 



Exs :— Leight. 365. 



England :— North TTill ! Malvern. Mr. Lees. Caer Caradoc ! Shropshire. 



Wales : — Moel-y-Go)fa ! Montgomeryshire. 



3. P. stygia, (L.) castaneo-fuscous or pitch-black, somewhat 

 shining, orbicular, firm, lacinise sublinear, mtdtifd, plane or convex, 

 imbricate, divided, under-surface black or spadiceous towards the 

 margins, rhizinae few ; medulla white K — C — ; apothecia fuscous, 

 margin granulato-crenate ; spores 8, colourless, elliptical, simple. 



On alpine rocks. 1793. 



Syn :— Linn. Sp. PI. ed. 1. No, 23. (1753). Ach. Syn. 204. Nyl. Syn. 397. 

 Mudd Man. 100. 



Fig :— E. Bot. 2048. Hfim. En. 1. 14. f. 2. Hepp Sporen t. 67. f . 587. 



Exs :— Hepp 587. Fr. 166. 337. Anzi It. S. 111. Tuck. 17. Dicks. 25. M. and 

 N. 351. Schaer. 255. Nyl. Pyr. or. 17. 



Geog. Distbib : — Europe, N. America. 



Bot Pbov:— 7...11...15 ..26. 



England : — Butsfield Moors, Durham. Mr. Winch. 



Scotland : — Highlands of Scotland. Mr. Dickson. (1793). Ben Nevis. 

 (4406 ft.) 1 Ben Mac Dhui, Braemar. (4296 ft.) Dr. Lindsay. Caintochan, Clova ; 

 Mr. R. Jacob. Ben More, Breadalbane; Lochnagar, Braemar, Rev. J. M. 

 Grombie. 



Ireland : — (f. minor,) Mayo. Dr. Moore. 



Wales : — Llandegley Bocks. Rev. T. Salwey. 



" Spores .0015 in. long, by .00075 to .001 in. broad." (Mudd.) " Spores 

 .008— .010 mm. long, .006—7 mm. broad." (Nyl.) " Spores .008—10 mm. 

 long, 005—7 mm. broad." (T. M. Fr.) 



4. P. physodes, (L.) whitish, substellate, lacinise mvltifld, plane, 

 glabrous, smooth, imbricate, under surface naked, rugose, fuscous- 

 black, apices inflated and badio-pallescent ; K yellow C yellow, 

 medulla white K — C — ; apothecia spadiceous or badio-rufescent, 

 margin entire ; spores 8, colourless, oblong, simple, small. 



On trees, rocks, &c, common. 1724. 



Stn:— Linn. Sp. PL ed. 1. No. 26. (1753.) Ach. Syn. 218. NyL Syn. 400. 

 Mudd Man. 96. 



Fig :— E. Bot. 126. Hepp Sporen t. 67. f. 584. 



Exs :— Fellm. 75. Hepp 584. Anzi Langob. (right hand spec.) 257. A. Fr. 291, 

 Leight. (left hand spec.) 48. 



Geog. Distbd3 : — Throughout the world. 



Bot, Peov :— 1...3, 4, 5...7, 8...10, 11.. .14, 15, 16...19, 20...30, 31. 



England : — Cromford Moor near Matlock. Sir J. E. Smith. Lamberton Moor ! 

 Blachadder plantations ! Berwick-on-Tweed. Dr. &. Johnston. Cambridge. Rev. 

 R. Relhan. Moor Park, Herefordshire. Rev. T. Salwey. Castle Howard, York- 

 shire. Mr. Teesdale. Gateshead Fell, Durham. Mr. Winch. Lustleigh Cleve. 

 Devon. Mr. Parfitt. Colne ; Brarter ; Kelvedon, Essex. Mr. Varenne. Midland 

 Counties. Mr. Purton. Bedfordshire, Rev. G. Abbot. Linwood Warren ! Lincoln- 

 shire. Dr. F. A. Lees. Guestling, Sussex. Rev. E. N. Bloomfidd. Wrekin Hill, 

 Shropshire ! 



Scotland : — Loch-na-Gat Glen, Ben Lawers (in fruit) ! Mr. McKinlay. Gar- 

 rynahine, Lewis ; Knockhill Crieff ! fr. Dr. Lindsay, near Dumfries (in fruit). 

 Dr. Richardson. Pentland Hills. Mr, Maughan. Cathkin Hills. Mr. Hopkirk. 

 Swanston Woods (fruit). Dr. OrevilU. Baldovan and Deerhill Woods ; Camper- 

 down; Auchter House; Auldbar. Mr. W. Oairdiner. near Kinuaird. Mr. A. 

 Bousie. Arran. Prof, Balfour, near Carnbo, at foot " of the Ochils, Kinrosshire 

 (fruit). Dr Nichol. 



Ibeland : — Near Belfast (fruit). Mr. Templeton, Powerscourt Water Fall. 

 Mr G. S. dough. Glenbower, Killeagh. Mr. Carroll. 



Wales :— Cwmbychan (fruit). Rev. T. Salwey, near Llyn Aran, Coder Idris. 

 Dr. HoU. Gwydir Woods ! Bettws-y-coed. Llyn Geirionydd ! 



