OF GEE AT BRITAIN. 411 



Park, Cleveland. Mr. Mudd. Dunsford, Exeter. Mr. Parfitt. Eynsford, Bras- 

 tead, Otford, Maidatone, Beechborough, Kent. Mr. Holmes. 



Ireland : — Castleberuard Park, Bandon. Adm. Jones. Caatlemartyr ; Turk, 

 Dinis, and Cromaglown, Killarney ; Eagle's Nest. Mr. Carroll. 



Wales : — Trefriw ! N. Wales. 



Channel Islands : — St. Peter's Valley, Jersey. Mr. Larbalestier. 



" Spores .009 to .011 in. long, by .001 in. broad, t. 4. f. 90." {Mudd.) 

 " Spores .035—55 mm. long, .007—9 mm. broad." (Nyl.) .049 mm. long, .005 

 mm. broad. 



forma taxicola, Leight. pale-yellowish-grey, pulverulent, effuse ; 

 lirellce large, excessively prominent and sessile, oblongo-linear or 

 lineari-elongate, straight or curved, chiefly simple, scattered or 

 congregated ; epithecium broadly rimceform ; proper margin rounded, 

 inflexed, rugged ; spores 8, colourless, elongato-fusiformi-acicular, 

 13-septate. 



On yew, rare. 1853. 



Stn :— Leight. Br. Graph. 25. Mudd Man. 234. 



Fig :— Leight. Br. Graph, t. 6. £. 15. 



Geog. Disteib :— Europe. 



Bot. Pbov :— 2...7,_8...31. 



England : — Funtington church yard ! ; Hunaton church yard ! Aldingbourne 

 church yard ! Sussex. Mr. Borrer. (1853. ) Twycross, Leicestershire. Rev. A. 

 Bloxarn. Church yard, Hayling Ialand, Hanta. Mr. Larbalestier. 



Wales : — Llanrbochwyn church yard ! 



Channel Islands : — Jersey. Mr. Larbalestier. 



Spores .049 mm. long, .004 mm. broad. 



28. 0. involuta (Wallr.) viridi-fuscescent, thin, continuous ; 

 lirellce black, opake, abbreviated, emerged, irregularly lirellmform, 

 or rottindato-diffbrmed ; epithecium more or less applanate ; margins 

 thichish, involute; spores 4-6, colourless, fusiform, multiseptate. 



On holly, rare. 1874. 



Stn -.—Graphis, Wallr. El. Germ. Crypt, p. 329. (1831.) Zwachia, Korb. Syst. 

 p. 286. Opegrapha, Nyl. Prodr. 154. 

 Geog. Distrib : — Germany, France. 

 Bot. Prov :— 1...7. 



England : — Ivy Bridge ! Devon. Mr. Holmes. 

 Wales :— Trefriw ! (1874.) 



VI. PLATYGRAPHA, Nyl. 



Thallus thin or obsolete. Apothecia black, plane, simple, im- 

 marginate or surrounded with a shining thalline margin. Spores 

 8, colourless, fusiform, septate. Spermatia shortly cylindrical, 

 straight or slightly curved. 



1. PI. rimata, (Fw.) white, tortureous, thin, rimose, verruculose ; 

 apothecia lirellceform, fuscous-black, impressed in the verruca?, simple 

 or branched, straight or wavy, either acute at the extremities or 

 obtuse or rounded, broad and expanded, plano-convex, shining, 

 surrounded with a spurious narrow whitish thalline margin ; hypo- 

 thecium nigro-fuscous, thick ; paraphyses distinct ; spores 8, 

 polourless, aciculari-fusiform, curved, 3-septate. 



On ash and wych-elm, rare. 



Stn:— Flot. L. Exs. 438. B. (1829.) 'Nyl. Prodr. 162. Mudd Man. 244, 

 Chiodecton graphidioides, Leight. Br. Graph. 51, 

 Fio :— Leight. Br. Graph, t. 7. f. 29. 

 Exs ;— Welw. Lusit. 89, (in part). 



