OF GREAT BRITAIN. 191 



Syn :— Nyl. in Flora 1876. p. 233. 



But. Peov:— 26. 



Ireland : —Near Kylemore, Galway. Mr. Larbalestier. (1876.) 



49. L. umbrina, (Ehrh.) tJicdlus nearly obliterated, hypothallus 

 olivaceo-fuscescent, diffuse ; apothecia fuscous or fusco-nigricant, 

 small, casio-suffused, thalline margin white sub-crenulate ; spores 8, 

 colourless, ellipsoid, simple ; paraphyses articulate ; thallus 

 K— C— . 



On rocks, old wood, &c. 



Syn :— Bhrhart Crypt. No. 245. (1793.) Ach. L. IT. 368. Nyl. in Bull. Soc. 

 Bot. Fr. 13. p. 369. 



Exs :— Rabh. 747. 799. Anzi Langob. 318. 392. Am. 21. Anzi It. S. 182. 



Geog. Disteib :— Sweden, Germany, France, Italy, Lombardy, Hungary 

 Bavaria. 



Bot. Peov. :— 5...7...15, 16...24...30, 31. 



England : — Llanymynech Hill ! Shropshire. 



Scotland : — Kincardine. Bev. J. M. Crombie. Cumbrae ! Buteshire. Mr, W. 

 Gait. 



Ieeland :- Co. T)owa.Adm. Jones. Cliffs of Moher, co. Clare. Mr. Carroll. 



Wales : — Between Llangollen and Corwen 1 Esdwyseg Rocks ! 



Channel Islands : — La Moye ! Jersey. Mr. Larbalestier. 



" Spores .009— .012 mm. long, .005—6 mm. broad." (Nyl.) Spores .013 mm. 

 long) .006 mm. broad. 



forma crenulata, (Dicks.) cinereous, very thin, nearly evanescent; 

 apothecia minute, dispersed, plane, fuscous-grey, margin white, 

 persistent, crenulate ; spores 8, colourless, ellipsoid, simple ; 

 thallus K— 0— . 



On limestone rocks, &c. not uncommon. 1793. 



SYN:-Dicks. Crypt. 3. 14. (1793.) Ach. Syn. 168. Nyl. in Bull. Soc. Bot. Fr. 

 13. p. 369. 



Exs :— E. Bot. 930. Dicks. 1. c. t. 9. f. 1. Hepp Sporen t. 8. f. 65. 



Fid ;— Hepp 65. Nyl. 125. 



Geog. Disteib : — Sweden, Finland, Switzerland, France. 



Bot. Peov :— 2.. .5, 6, 7...10, 11.. .(19— 30). 



England : — Yorkshire. Mr. Dickson. (1793.) Eglestone, Durham. Bev. J. 

 Harrimcm. Castle Eden ; Fulwell : Boldon ; and Cleadon ; Middleton Beck ; 

 and Barnard Castle. Durham ; Carham and Wark, Northumberland. Mr. 

 Winch. Shingles, Eastbourne. Mr. Boper. High Rock ! near Bridgnorth, Shrop- 

 shire. 



Scotland :— Frequent. Bev . J. M. Crombie. 



Ieeland : — Not uncommon. Mr. Carroll. 



Wales : — Eglwyseg Bocks ! Giltar Point ! Tenby. 



forma prosechoides, Nyl. dirty-yellowisli-white, tarlareous, thin, 

 sub-determinate, rimoso-areolate, areola? flat or slightly tumid 

 and smooth; apothecia scattered, sessile, plane, brownish-black ; 

 thalline margin entire ; thallus K — C — . 



On maritime rocks, rare. 1856. 



Syn :— Nyl. in Crombie En. 51. (1870.) 



Exs :— Crombie 67. 



Geog. Distelb : — Europe. 



Bot. Peov :— 6, 7... 15. 



Scotland : — Kincardine. Bev. J. M. Crombie. 



Wales : — Southerndown ! Glamorganshire. Dr. Holl. Barmouth ! (1856.) 

 Manorbeer near Tenby ! Y Fegle fawr ! near Barmouth. Black Bock ! near 

 Criccieth. 



Spores .012 mm. long. .006 mm. broad. 



forma zosterce, Ach. glaucous, efuse, very thin, almost evanes- 

 cent ; apothecia minute, scattered or aggregate, plane, rufescent, 



