OF GRKAT BRITAIN. 



371 



Ireland :— Sunday's Well Weirs, Cork. Mr. Carroll, near Letterfrack 1 

 Lough Feagh ! Mr. Larbalestier. 



Wales :— Pen-maen-mawr ! Gloddaeth ! Carnarvonshire. 



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



Spores .035 mm. long, .003 mm. broad. K and C applied consecutively to 

 the apothecia manifest a thin marginal line around the disk. 



Var. fuscella, Fr. apothecia minute, numerous, sessile, convex 

 and conglomerate, fuscescent. 



On trees, ash, oak, poplar, common. 



Stn :— Fr. S. V. S. p. 112. (1846). 



Exs :— Leight. 211. 279. Nyl. 135. Zw. 88. 372. Mudd 148. Hepp 24. 



Geog. Distrlb : — Sweden, Germany, Bavaria, France. 



Bot. Peov:— 2, 3...5...7, 8...10...24...28...31. 



England : — Sussex ! Mr. Borrer. Gopsall ! Leicestershire. Rev. A. Bloxam. 

 Airyholme Wood ! Cockshaw ! Stokesley ! Stogdale ! Clifirigg ! Ingleby Park ; 

 Yorkshire. Mr. Mudd. Felix Hall Park ! Kelvedon, Essex. Mr. Varenne. near 

 Northleach, Gloucestershire. Mr. W. Joshua. Wrekm ! Shropshire. 



Ireland : — Tervoe near Limerick. Mr. Carroll. Armagh. Adm. Jones. 



Wales : — Bryn-y-Maelgwyn ! Conway. 



Channel Islands : — Common on all the Islands. Mr. Larbalestier. 



Var. ccesio-pruinosa, Mudd. apothecia pale-bluish-green colour. 

 On oaks, elder, rare. 



Stn :— Mudd Man. 183. (1861.) Bacidia ccerulea, Korb. Biatora Friesiana B. 

 (Hepp). 



Fig :— Hepp Sporen t. 32. f . 288. 



Exs :— Leight. 150. Mudd 150. Zw. 88. bis. Arn. 291. Hepp 746. Anzi Ven. 

 57. 



Geog. Distblb :— Germany, Hungary, Italy. 



Bot. Pkov:— 3...5...8...10. 



England :— Stogdale ! Yorkshire. Mr. Mudd. (1861.)Pirton, near Worcester. 

 Dr. Holl. Chelmsford ! Mr. Pvggott. Gopsal ! Bev. A. Bloxam. Sibertswold near 

 Dover. Beechborough, Newington, Kent. Mr. Holmes, near Dursley, Gloucester- 

 shire. Mr. Joshua. Shere ! Surrey. Dr. Capron. Sutton near Shrewsbury ! Lop- 

 pington ! Shropshire. 



Var. inundata, (Fries.) tawny^virescent, thin, cmstaceous, rimoso- 

 areolate, scurfy ; apothecia pale-brown, minute, numerous, svh-in- 

 nato-sessile, plano-convex, margin thin ; hypothecium pale ; spores 

 8, colourless, bacilliform, 7-septate. 



On rocks in streams, rare. 



Syn :— Fries L. Eur. 261. (1831.) Mudd Man. 183. 



Exs :— Mudd 149. Zw. 235. 



Geoo. Dibtblb : — Europe. 



Bot. Pkov :— 5, 6...10...19 .26... 31. 



England : — Airyholme Wood ! Yorkshire. Mr. Mudd. Abdon ! Shropshire. 



Ireland : — Sunday's Well Weirs, Cork. Mr. Carroll, near Kylemore Castle ! 

 Letterfrack ! Mullaghglass ! Galway. Mr. Larbalestier. 



Wales: — Fishguard Harbour! Pembrokeshire. 



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



K and C applied consecutively manifest a thickish marginal ring around the 

 disk of the apothecia. 



Var. delicata, Larbal. apothecia pale-rose, cdbo-pruinose. Lough 

 Feagh. Mr. Larbalestier. (1877.) 



•347. L. caligans, Nyl. fuligineo^iigricant, thin, rugose, diffract, 

 indeterminate ; apothecia nigricant, plane, with an obtuse margin, 

 internally pallescent ; hypothecium colourless, excipulum fuscescent 



