OF GREAT BRITAIN. 431 



Stn :— Aoh. L. U. 266 (1810.) Syn. 82. Nyl. Scand. 252. Prodr. 149. 



Exs :— Nyl. 70. 



Geog. Distrlb:— Europe. 



England : — New Forest ; Epping Forest. Bev. J. M. Crombie. Airyholme 

 Wood ! Yorkshire. Mr. Mudd. Abdon ! Shropshire. 



Scotland :— Falls of Clyde ; near Stirling ; Callander, &o. Bev. J. M. 

 Crombie. 



Ireland : — Blarney ! Cork. Mr. Carroll, near Lough Muck ! co. Galway. 

 Mr. Larbalestier. 



Wales : — Edderton ! Montgomeryshire. Gwydir Woods ! Bettws-y-coed. 

 Trefriw ! 



Channel Islands : — Common on all the larger Islands and Jethou. Mr. 

 Larbalestier. 



4. G. dendritica, (Ach.) cream-coloured or yellowish-white, thin, 

 tartareous, pulverulent ; lirellce brownish-black, immersed, branched 

 in a pedato-radiate manner ; perithecium a very thin black cartila- 

 ginous entire membrane; epithecium broad, plane, dilated, ccesio- 

 pruinose ; proper margin very thin ; thallodal margin prominent, 

 rugose ; spores 8, colourless, elongato-linear, apically rounded, 

 containing 6-8 transversely oval margined cells. 



On trees, beech, rare. 1807. 



forma Smithii, Leight. lirellse ramifying at an obtuse angle, ex- 

 tremities acute, thallodal margin prominent. (Leight. Br. Graph. 

 43.) 



Stn:— Opegrapha, Ach. Meth. 31. (1803.) Graphis, Ach. Syn. 83. Nyl. Prodr. 

 150. Mudd Man. 241. Hymenodecton, Leight. Br. Graph. 43. 



Fig :— E. Bot. 1756. Leight. Br. Graph, t. 7. f. 23. 



Exs :— Kabh. 826. Arn. 334. in part. 



Geog. Distrib : — Germany, France, Prussia, Pyrenees, America. 



Bot. Prov :— 1, 2, 3.. .5, 6. 7...19...31. . 



England : — Sussex ! Mr. Borrer. (1807.) New Forest ! Hants. Mr. LyeU. 

 Epping Forest. Bev. J. M. Crombie. near Totness and Coryton, S. Devon. Dr. 

 Holl. Haldon Wood, Exeter. Mr. JParfitt. Hickmore Fen Wood, Essex. Mr. 

 Varenne. Ivybridge ; Plymouth. Mr. Holmes. New Forest ; Epping Forest ; St. 

 Leonard's Forest. Bev. J. M. Crombie. Bora and Penn Woods, Islington, 

 Devon. Messrs. Jones & Kingston. Holly Bush Hill, Malvern Range, Mr. Lees. 

 Craigforda ! Shropshire. 



Ireland : — Castle Bernard Park ! Bandon. Bev. Prof. Hincks. 



Wales : — Corsygedol ! near Barmouth. Bev. T. Salwey. 



Channbl Islands : — Jersey and Guernsey. Mr. Larbalestier. 



" Spores .008 to .011 in. long, by .0015 to .002 in. broad." (Mudd.) 



forma acuta, Leight. lirellse ramifying at a very acute angle, 

 nearly parallel, extremities simple, acuminate ; thallodal margin 

 prominent. (Leight. Br. Graph. 44. Schser. Exs. 585. Larbal 41.) 



England : — St. Leonard's Forest ! Sussex. Mr. Borrer. 

 . Ireland :— Castlebernard Park ! Cork. Mr. Carroll. 

 Wales : — Upton ! Pembrokeshire. Bev. T. Salwey. 

 Channel Islands:- Beaumont ! andBozel! Jersey. Mr. Larbalestier. 

 Spores .042 mm. long, .009 mm. broad. 



forma obtusa, Leight. lirellse ramifying at an obtuse angle in a 

 furcate manner, extremities very obtuse, frequently furcate ; thal- 

 lodal margin nearly obliterated. (Leight. Br. Graph. 44.) 



England :— St. Leonard's Forest ! Sussex. Mr. Borrer. Tunbridge Wells ! 

 Mr. Thompson. Torquay ! Dr. Deakin. Epping Forest. Bev. J. M. Crombie. 

 Ireland :— Castlebernard Park ! Cork. Mr. Carroll. 

 Wales :— Pembrokeshire ! Bev. T. Salwey. Dolgelley ! 



6. G. inusta, Ach. pale-yellowish-white, thin, membranceous, 



