OF GREAT BRITAIN. 



93 



Dr. Windsor. Swinnop Fell, Allendale, Northumberland. Rev. W. Johnson. 



Spout Valley, LongMynd ! Pontesford Hill ! Haughmond Hill ! Stiperstones ! 



Shropshire. 



. Scotland : — Pentland Hills. Dr. Greville. Forfarshire. Mr. W. Gardiner. 



Glen Nevis ! Invernesshire ; Blaeberry Hill ! Perth. Dr. Lindsay. Aberdeen 



Links; Grampians. Rev. J. M. Crombie. Isle of May, Firth of Forth, Mr. 



Sadler. 



Ireland : — Near Belfast. Mr. Templeton. Southern Counties. Dr. Taylor. 

 near Maam ! Joyce County. Mr. Larbalestier. 



Walks : — Cwm Bychan, near Barmouth. Rev. T. SaVwey. Arran Mowddy ! 

 Gwydir Books, Bettws-y-coed ! (fruit). 



Channel Islands : — Quenvais, Jersey. Mr. Larbalestier. 



F. 2. muricata, Ach. smaller, densely' intricato-ccespitose, densely 

 ramulose, subferete, or sub-compressed, naked, shortly divaricato- 

 spirmlose at the apices. 



Syn :- Ach. Meth. 302. (1803). Nyl. Scand. 80. 



Fig :— E. Bot. 452. 



Exs:— M. & N. 756. .Schasr. 555. Welw. 8, Mudd 49. Leight. 4. 



Geog. Distreb :— Alpine Europe. 



Bot. Prov :— 1...5...7...10...14, 15. 



England :— Beverley. Mr. Teesdale. Ayton ! Yorkshire Mr. Mudd. Craig- 

 forda! near Oswestry, Jtev. T. Sabvey. Malvern Hills; Stiperstones, Salop; 

 Sugar Loaf, Monmouthshire. Mr. Purton- Dartmoor Tors, Devon. Messrs. Jones 

 and Kingston. Stiperstones ! Laurence Hill ! Shropshire. Long Mynd ! Haugh- 

 mond Hill ! 



Scotland : — Pentland Hills. Dr. Greville. Forfarshire. Mr. W. Gardiner. 

 Ben Nevis ! Dr. Lindsay. Glen Muick and Glen Dee, Braemar. Rev. J. M. 

 Crombie. 



Wales : — Barmouth ! Cwm Cywion ! 



R 3. acanthella, Ach. like typica, but entirely hispido-spinuloso- 

 denticulate. 



Syn:— Ach. L. U. 612. (1810). 



Fig :— Hoffm. PI. Lich. t. 5. f. 2. 



Exs :— Schser. 254. pr. p. M. & N. 168. Zw. 222. Welw. 10. Anzi Langob. 

 416. b. 



Geog. Distrlb : — Switzerland, Germany, Portugal, Italy. 



Bor. Prov :— 5.. .10.. .15. 



England :— Hambleton ! Yorkshire. Mr. Baker. Ayton ! Cleveland. Mr. 

 Mudd. Clifton ! Bristol. Mr. Joshua. 



Scotland : — Hill of Ardo, near Aberdeen. Rev. J. M. Crombie. 



II. PLATYSMA. Hffm. pr. p. Nyl. 

 Thallus various in colour, nigrescent, fruticulose, generally mem- 

 branaceo-dilated, lobate or laciniate, nearly subterete. Apothecia 

 marginal or sub-marginal. Spermogonia minutely papillate or 

 tuberculate. Spermatia incrassate at both the obtuse apices, or 

 fusiformi-incrassate at one apex, or fusiformi-ellipsoid. 



A. Spermatia incrassate at both the obtuse apices. 



1. P. nivede, (L.) ochroleucous or stramineous, sinuato-laciniate, 

 lacinise canaliculato-patulous, reticulcvto-lacunose, dentate at the 

 erect apices (K — C + ) ; apothecia flesh-coloured, margin 61 recep- 

 tacle crenato-rugose ; spores 8, colourless, oblong, small, simple. 



On the ground in alpine places. 



Syn :— Linn. Fl. Suec. 1086. Nyl. Syn. 302. Mudd Man. 78, 

 Fig :— E. Bot. 1994. Nyl. Syn. t. 8. f. 33. Hepp Sporen t. 96. f. 845. 

 Exs :— SchiEr. 19. Tuck. 59. Anzi It. S. 51. Hepp 845. Mudd 53. Leight. 43. 

 Smrft. 76. Eabh. 865. 

 Geog. Distrib : — Europe, N. America. - ' 



