OF GREAT BRITAIN. 433 



epithecium plane, broad, pruinose ; proper margin narrow, pro- 

 minent ; thallodal margin elevated, white, pulverulent ; spores 8, 

 fuscesoent, lineari-elongate, apically obtuse, containing 7-8 trans- 

 versely oval margined cells. 

 On trees, rare. 1808. 



Syn -.—Opegrapka, Sm. E. Bot. 1876. (1808.) Graphis, Ach. Syn. 85. Nyl. 

 Prodr. 151. Ghiographa Lyellii, Leight. Br. Graphid. 4.4. Mudd Man. 241. 



Fig :— E. Bot. 1. 1876. Leight. Br. Graph, t. 7. f. 24. 



Geog. Distrib : — France. 



Bot. Prov:— 1, 2.. .19.. .31. 



England :— New Forest ! Hampshire. Mr. Lyell. (1808.) Harpford, oo. 

 Devon ; Launceston, Cornwall ; Ringwood in New Forest. Rev. J. M. Crombie. 

 near Coryton, S. Devon ; near Popes's Mill, Liskeard, Cornwall, Dr. Boll. 

 Penn Wood, Devon. Messrs. Jones &, Kingston. 



Ireland : — CastJebernard Park ! co. Cork. Mr. Carroll. Mr. Carroll in this 

 locality has detected several curious forms, viz. : radiata, Carr. ! in which the 

 lirellse are stellately arranged, their apices more or less acute ; fastigiata, Carr. 1 

 where the lirellse are obtuse at the apices and subdendritically arranged ; macu- 

 laris, Carr. ! in which the lirellae are smaller, round or oblong, confluent into 

 obtusely crenate groups. 



Channel Islands : — Bozel, Jersey. Mr. Larhalestier. 



"Spores .005 to .007 in. long, by .00125 to .00175 in. broad." (Mudd.) 

 Spores .028— .033 mm. long, ,006— .008 mm. broad. 



7. G. ramificans, Nyl. whitish or creamy-white, very thin, sub- 

 rugulose, effuse, (K yellow then orange); lirellce black, naked, 

 striatulate, slightly prominent, dendroideo-ramose ; epithecium 

 narrow, slightly expanded ; perithecium lateral ; proper margin 

 thin, wavy and crisped ; paraphyses thick, oleoso-articulate, apices 

 globular ; spores 8, colourless, at length pale-rufescent, elongato- 

 linear or cylindrical, apically rounded, with 10-12 transversely 

 oval margined cells. 



On Ilex, very rare. 1876. 



Syn :— Nyl. in Flora 1876. p. 575. 



Bot. Pkov :— 26. 



Ireland :— Holly Island ! Lough Inagh. Mr. Larhalestier. (1876.) 



Spores .032 — 45 mm. long, .008— .010 mm. broad. Thecae I lutescent. 



B. Spores murali-locular. 



8. G. Suiziana, (Feel) greyish-cream-coloured, thin, membrana- 

 ceous, smooth, nigro-limitate ; lirella; excessively prominent and 

 sessile, large, lineari-oblong, obtuse at the extremities, straight or wavy, 

 simple, occasionally tripartite ; epithecium rimceform, more or less 

 expanded ; perithecium thick, carbonaceous, entire ; proper margin 

 tumid and connivent; spores 8, colourless, oblong or elliptical, 

 murali-locular, large. 



On holly, hawthorn, gorse, rare. 1857. 



Syn :— Fee Essai p. 27. (1824.) Nyl. N. Gran. 73. Opegrapha anomala, Leight. 

 Ann. and Mag. Nat. Hist. 1857. 



Fig :— Ann. and Mag. Nat. Hist, fc 8. f. 1.— 6. 



Geog. Distblb : — N. Granada, Europe. 



Bot. Pbov:— 1... 6.. .19. 



England : — Ivybridge, Devon ; Wilhiel near Bodmin. Mr. Tellam. 



Ireland :— Glengariffe ! co. Kerry. Mr. Piggott. (1857.) Castlemartyr Deer- 

 park ! Glenbower^lCilleagh. Mr. Carroll. Killarney. Messrs. Piggott & Carroll. 



Wales ;— Fort Hill ! Llanachar Road ! near Fishguard, Pembrokeshire. 



Spores ,044 mm. long, .018 mm. broad. 



