OF GREAT BRITAIN, 25 



Mr. Woodward, near Holsworthy, Devon. Mr. Newberry. Sussex. Mr Borrer. 

 Exeter. Mr. Parfitt. Malvern ; Sussex ; Isle of Wight ; S. Devon ; and Corn- 

 wall generally. Dr. Soil. Clapham ; Kempston, Beds. Rev. G. Abbot. Pontes- 

 ford Hill and Pulverbatch, Shropshire. Rev. E. Williams. North Bovey, Devon. 

 Rev. J. P. Jones, Kemble, Gloucestershire. Mr, Joshua, near Penshurst; 

 Beechborough ; near Halstead, Kent. Mr, Holmes, 



Scotland : — Grampians. Rev. J. M. Crombie. near Kenmore and Killin, 

 Perthshire. Dr. Soil, near Edinburgh. Dr. Greville. Reeky Linn ; Den of Glam- 

 mis ; Glen Dole, Forfarshire. Mr. W. Gardiner. 



Ireland : — On old trunks frequent. Mr Carroll. 



Channel Islands : — Guernsey. Rev. T. Salwey. Jersey and Guernsey, 

 frequent ; Seigneurie, Sark. Mr. Larbalestier. 



"Spores .034—42 mm. long, .005 mm. broad." (Nyl.) 



26. C. aggregation, Ach. nigro-virescent, membranaceo-lobate, 

 rigid, plicate, not radiato-rugose, nor oppressed, difformed, lobes 

 crenate, margin granuloso-crispate ; apothecia rufous, crowded, 

 moderate, plane, thalline margin thin, entire ; spores 8, colourless, 

 fusiformi-cylindrical, straight or curved, pluri-septate. 



On old trees and rocks, rare. 



Stn :— Ach. Syn. 317. (1817) ; Nyl. Syn. 115. 

 Fig :— Nyl. Syn. t. 2. f. 9. 

 Exs :— M. & N. 453. 



Geog. Distrib :— Europe, Asia, America, Polynesia. 

 Bot. Prov :— 1, 2, 3 ..19. 



England : — Henfield, Sussex. Adm. Jones, near Exeter and near Tunbridge 

 Wells. Hev. J. M. Crombie.. 

 Ireland : — Killarney. Dr. Moore. 

 " Spores .033—65 mm. long, .004— .005 mm. broad." (Nyl.) 



27. C. temdentum, Nyl. olive-brown, thin, granulose ; apoth- 

 ecia spadiceo-reddish, small, margined by the thallus ; spores 8, 

 colourless, ellipsoid or oblongo-ellipsoid, 5-septate, submurali- 

 divided ; gelatina hymenea and especially thecae I. bluish. 



On old ash-trees. 1874. 



Stn :— Nyl. in Flora. 1874. p. 305. 



Geog. Distrib :— Europe. 



Bot. Pro v:— 15. 



Scotland : — Loch Katrine. Rev. J. M. Crombie. (1874). 



"Spores 0.018—24 mm. long, 010—12 mm. broad." 



IV. LEPTOGIUM. Ach. 



Thallus very various, thin, granula gonima moniliform, cortical 

 layer cellulose, distinct. Apothecia lecanorine or sub-biatorine. 

 Spores 8, variously septate or divided. 



1. L. biatorinum, Nyl. fuscous or fusco-virescent, granuloso- 

 lobulate, imbricate; apothecia rufescent, biatorine, moderate, urceo- 

 late, gyalectiform ; spores 8, hyaline, ovoid, 3-4-septate, sparingly 

 longitudinally divided; gelatina hymenea and asci blue with 

 iodine. 



On mossy walls, chiefly in chalk districts, rare, 1866. 



Stn :— Nyl. Prodr. 22. (1857) ; Syn. 110. Carroll in Seem. Journ. Bot. 4. 22. 



Geog Distrib :— France. 



Bot. Prov :-3...31. „ ,. . 



England :-Maidstone, Kent. Adm. Jones. (1866.) " Pretty generally distri- 

 buted in S. and W. England." Rev. J. M. Crombie. near Selling, Kent. Mr. 

 Solmes. . 



Channel Islands :— Under Fort Essex, Alderney. Mr. Larbalestier. 



" Spores .025—28 mm. long. .011—12 mm. broad." (TSyl.) 



