OF GREAT BRITAIN. 143 



or gyrose. Paraphyses distinct. Sterigmata articulate, Sper- 

 matia slender, shortly cylindrical, obtuse at both apices. 



1. U. pustulata, (Hoffm.) thallus thin, torn and lobed, papillose 

 and naked on both sides ; upper side pale olive-green, blistered and 

 sprinkled with fibrous glomeridi ; under side brownish, deeply fov- 

 eolate ; spores one or two, very large, oblong, pale, wrinkled or 

 reticulated on the surface ; medulla K — C red. 



On rocks and stones in mountainous districts, not uncommon, 

 1741. 



Syn :— Hffm. PI. 1. 13. (1794.) Gyrophora, Acb. Syn. 66. NyL Lich. Scand. 

 113. Leight. Brit. Umbil. 22. Mudd Man. 115. 



Fig :— Hffm. PI. L. t. 28. f. 1. 2. E. Bot. 1283. Leight. Brit. Umbil. Fig. 1. 

 Hepp Sporen t. 14. f. 118. 



Exs :— Bohl. 125. Schasr. 156. Hepp 118. Breutel 201. Larbal. 25. Maudon 

 22. Anzi Langob. 297. M. & N. 60. Welw. Lusit. 21. 32. 107. Eabh. 838. Reich, 

 and Schub. 29. Leight. 166, 



Geog. Disteib : — Europe, Africa, N. America. 



Bot. Pbov:— 1...5.6, 7,8, 9, 10...12...16...19...22...31. 



England : — Malvern Hills. Mr. Stokes, near Biddiston Lighthouse, Cheshire. 

 Mr. Bradhwry. near Halifax. Mr. Bolton. Dartmoor ! Devonshire, (fruit). Sir 

 W. J. Hooker. Hay Tor ! on rocks in river near Two Bridges public house, 

 Devon ! Dartmoor ! Mr. Borrer. Blackstone Bock, Devon. Mr. Parfitt. Shaftoe 

 Crags ! Sir W. G. Trevelyan. Sugar Loaf Mountain, Monmouth. Mr. Jacob. 

 Westmoreland. Mr. Martindale. Charnwood Forest, Leicestershire. Rev. A. 

 Bloxam. Hightor rocks ; Scobitor rocks, near Widdeeombe ; Bottor rock, Devon. 

 Messrs. Jones and Kingston. Nescliffe ! Caer Caradoc ! Grinshill ! Shropshire. 



Scotland : — Highland Mountains. Rev. J. Lightfoot. Loch Slichagan ! Isle 

 of Skye. Mr, Borrer. 



Ireland :— Glengariff near Bantry, (fruit). Miss Hutchins. Ireland. Dr. 

 Taylor. Migen Head. Mr. Wright. Lough Dan co. Wicklow. Adm. Jones. 



Wales : — By the road from Penmorf a to Dolbenmaen, and under Keven Lees 

 Castle, Dfflenius. Old Wall, about half way between Caernarvon and Beddgel- 

 ert. Rev. H. Davies. Nant Gwynant Vale near Snowdon. Messrs. Turner & 

 Borrer. Moel Hebog! Mr. Borrer. Cwm Bychan near Barmouth. Rev. T. 

 Salwey. Drwsycoed near Nantlle, Cardiganshire. Miss Atwood. Trefriw ! Black 

 Bock ! near Criccieth. 



Channel Islands : — Gorey and La Moye, Jersey ; Mr. Zarbalestier. near 

 Petit Bo, Guernsey. Mr. Lukis. 



Consult Flora 1875 p. 303. " Spores .007 to .01 in. long, by .005 to .007 in. 

 broad, t. 2. f. 35." (Mudd.) "Spores .028—70 mm. long, .018- 28- mm. 

 broad." (Nyl.) "Spores .040—70 mm. long, .018—34 mm. broad.'' (T. M. 

 Fr.J Spores .037 mm. long, .018 mm. broad. 



2. U. polyphylla, (L.) dark ffreenish-copper colour, thin, un- 

 equally lobed, naked and smooth on both surfaces, under surface 

 black ; apothecia slightly complicate ; spores 8, colourless, ellip- 

 soid, simple; medulla K — C faint red. 



On mountainous rocks, not uncommon. 1741. 



Syn :— Linn. Sp. PI. ed. 1. No, 55. (1753.) Nyl. Scand. 119. Leight. Br. 

 Umbil. 6. 

 Fig :— E. Bot. 1282. Hffm. t. 59. f. 2. Leight. Br. Umbil. f. 2, 

 Geog. Disteib : — Europe, Asia, America. 

 Bot. Pbov:— 1... 5.. .7, $, 9, 10, 11, 12.. .14, 15.. .17. ..19. 



Forma monophylla, T. & B. thallus of a single peltate leaf. 



Syn :— T. & B. Lich. Brit. 214. (1813.) Leight. Br. Umbil. 6. Mudd Man. 116. 



Fig :— Hepp Sporen t. 83. f, 717. 



Exs :— Hepp 717. M. & N. 342. (in part) Schar. 149. Leight. 65. Mudd 87. 



England : — Cheshire and Cornwall. T. <fc B. Lich. Brit. Yorkshire ! Mr. 

 Dixon. Ingleby and Howden Gill ! Cleveland. Mr. Mudd. near Todmorden and 

 on Ingleborough. Dr. Carrington. near Newcastle. Mr. Thornhill. Mynydd-y- 

 Myfyr, near Oswestry. Rev. T. Salwey, Abbey St. Bathans I Weardale ! Blanch- 



