OF GREAT BRITAIN. 



49 



Stn :— S. coralloides, Pers. in TTst, N. Ann. 1. p. 23. Nyl. Syn. 171. Mudd 

 Man. 263. 



Fig :— E. Bot. 115. Leight. Ang. Lioh. 1. 1 f. 1. 



Exs :— Schasr. 453 Hepp 217. M. & N. 262. Mudd 253. Anzi. Langob. 421. 

 Welw. 49. Tuck. 50. 



Geog. Distkib : — Europe Madeira, Antarctic America, Australasia. 



Bot. Pkov:— 1, 2, 3.. .5. ..7, 8.. .10, 11...14...16...18, 19. 



England :— Sussex ! Mr. Borrer Bilsdale, Yorkshire. Mr. Teesdale. (1794). 

 Mynydd-y-Myfyr and Craigforda ! Shropshire. Rev. T. Salwey. Yorkshire ! Mr. 

 Mudd. Derbyshire. Mr Bolder. Cromford Moor, near Matlock. Sir J. JS. Smith. 

 Murton Craigs. Penmanshiel. Dr. Q-. Johnston, near Castle Karn Bre, Cornwall. 

 Messrs Turner & Sowerby. Part's Crags ; Stockdale Gill ; Giggles-wick Farm ; 

 near Park, beyond Ingleton, Yorkshire, Dr. Windsor. Teesdale ; Weardale ; 

 Durham. Cheviot ; Simonside ; Hedgehope ; House-steads ; Cunnerton Crags ; 

 near Harbottle and Heddon-on-the-wall, Northumberland. Mr. Winch. Malvern 

 Hills, "Worcestershire ; Sugar-loaf, Monmouthshire. Mr. Burton. Hungershall 

 Bocks, Kent. Mr. Holmes. Ardingley Rocks, Sussex. Mr. W. Joshua. Devon. 

 Messrs. Jones & Kingston. Stiperstones ! Caer Caradoc ! 



Scotland :— Pentland Hills. Dr. Greville, Highlands and Lowlands. Sir. W. 

 J. Hooker, Long Island ; Arran ; Hebrides. Prof. Balfour. Garrynahine. Dr. 



Ibeland : — Bantry. Miss Hutchins. Lough Bray, Adm. Jones, Killarney, 

 Dr. Garrington. 



Wales : — Cwm Bychan. Rev. T. Salmey, Barmouth ! Mr. Lees, Holyhead 

 Mountain ! Capel Curig ! Aran Mowddy ! Cwm Cy wion ! 



Channel Islands : — Jersey, Guernsey, Alderney and Sark, Mr. Larbalestier. 



"Spores .00175 in. long, by .001 to ,0015 in, broad." (Mudd.) " Spores ,009— 

 ,015 mm. diam." (Nyl.) Spores .009— ,011 mm. diam. 



3. S. fragile, Pers. whitish, lurido-cinerascent or brownish, 

 round, sparingly branched, densely ccespitose ; apothecia black, ter- 

 minal, globose, receptacle irregularly dehiscent above, persistent ; 

 spores violaceo-nigricant, sphcerical or globoso-ellipsoid. (K + ) 

 medulla I — •. 



On rocks, common. 



Syn :— S. fragile, Pers. in Ust. N. Ann. 1. f. 23. Nyl. Syn. 172. Mudd Man. 

 264. 



Fig :— E. Bot. 2474. Leight. Ang. Lich. t. 1. f. 2. 



Exs :— M. & N. 263. Anzi It. S 34. Fellm. 21. Hepp 664. Schter. 15. 



Geog. Distkib : — Europe, Arctic Europe, Antarctic America. 



Bot. Peov:— 1, 2...5...8...10...14, 15...18, 19.. .29. 



England : — St. Cleere, near Liskeard. Messrs. Turner & Sowerby. Charnwood 

 Forest, Leicestershire ! Bev A Bloxam. Craigforda, near Oswestry ! Rev. T. 

 Salwey. Yorkshire. Mr. Mudd, Harrogate, Yorkshire. Mr. Teesdale Cheviot ; 

 Hedgehope ; Simonside ; Harbottle ; Northumberland, Weardale and Tees- 

 dale, Durham. Mr. Winch, Ardingley rocks, Sussex, Mr. W. Joshua. Sheeps 

 Tor and other Tors on Dartmoor, Messrs. Jones & Kingston. Stiperstones Hill ! 

 Shropshire, 



Scotland :— Pentland Hills ! Dr. Greville. Hebrides, Brof. Balfour. Braemar. 

 Rev. J. M. Grombie. 



Ireland :— Malin Head, co. Donegal. Dr. Dickie. Killarney. Dr. Garrington. 



"Spores .007— ,016 mm. diam." (JV^.) Spores .007— .013 mm, diam. 



Serles II. CLADODEI. 

 Thallus generally erect ; apothecia terminal on podetia (rarely 

 without), biatorine, rarely lecanorine ; spores 8, colourless, gener- 

 ally oblong and simple, sometimes elongate and septate ; para- 

 physes distinct. 



Tribe. III. B^EOMYCEI. 

 Thallus horizontally expanded, crustaceous. Apothecia pale or 

 rufescent, sessile or podetiiformi-stipitate ; spores simple or 

 septate. 



E 



