OF GREAT BRITAIN. 27 



Fig :— Dieks. 1. c. t. 2. f. 8. Nyl. Syn. t. 4. f. 10. 



Exs :— Schser. 408. Hepp 211. Mudd 4. 



Geog. Distrib :— France, Sweden, Finland, Germany. 



Bot. Prov:— 1, 2.. .4, 5 .7. ..10.. .15.. .19.. .28. 



England : — Norwich. Mr. Crowe. (1782). Ditehingham, Norfolk. Mr. 

 Woodward, near Yarmouth. Mr. D. Turner, near Easby ! Cleveland. Mr. Mudd. 

 Sidmouth. Rev. T. Salwey. Twineham, Sussex. Mr. Sorrer. near Hastings ; 

 and Shanklin, Isle of Wight. Dr. Soil. Inworth, Essex. Mr. Varenne. near 

 Stonehouse, Gloucestershire. Mr. Joshua. 



Scotland : — Forfarshire. Mr. W. Gardiner. 



Ireland : — Midleton, near Cork. Mr. Carroll. Armagh. Adm. Jones. 



Wales:— Crib-y Ddescil, and Clogwyn-y-Garnedd, Snowdon. Mr. Griffith. 

 Glyder Vach. Mr. Lees. 



'' Spores .024—34 mm. long. .011—13 mm. broad." (Nyl.) 



6. L. fragile, (Tayl.) dark-olive or fusco-olivaceous, firm, 

 laciniato-lobate, rosulate, lobes radiate, crenate, convex, granuloso- 

 unequal ; granula gonima variously dispersed, rarely moniliform ; 

 apothecia pale brown, urceolato-innate, at length nearly plane, 

 thalline margin thickish ; spores 8, colourless, ovoid, variously 

 divided. 



On sub-alpine calcareous rocks, very rare. 



Syn :—Gollema, Tayl. Fl. Hib. 2. 109 ; Leptogium, Nyl. Syn. 120. 



Exs :— Am. 156. 



Bot. Prov : — 19 



Ireland : — Dunkerron. Dr. Taylor, 



Crombie l.c. remarks that "this rare Irish species is externally somewhat 

 similar to young states of Oollema multipartitum, but the character of the 

 cortical stratum and of the apothecia is widely different." 



" Spores .029 mm. long. .013 mm. broad." (Nyl.) 



7. L. cretaceum, Sm. olivaceo-fuscous or olive-brown, microphy- 

 lline, rosulato-lobulate or stellato-laciniate, lobes unequally crenate, 

 somewhat imbricate ; granula gonima simple, rarely moniliform ; 

 cortical layer rather indistinct ; apotJtecia rufous, nearly biatorine, 

 concave or gyalectiform, small, margin paler ; spores 8, colourless, 

 ovoid, variously divided, 3-7-septate, with longitudinal septa. 



On chalk and flint, excessively rare. 1800. 



' Syn : — Sm. E. Bot. 738. (1800); Ach. Syn. 318. Nyl. Syn. 120. 



Fig :— E. Bot. t. 738. 



Geog. Distrib : — France. 



Bot. Prov:— 2, 3, 4,5. 



England :— Eastern Counties. Dr. Noehden. (1800). Kent and Sussex. 

 Rev. J~. M. Crombie. Beigate Hill, Surrey, near Cirencester. Mr. Joshua. 

 On the Undercliff, near Folkestone, Kent. Mr. Holmes, near Lewes, Sussex. 

 Mr. TJnwin. 



" Spores .022-40 mm. long. .011—17 mm. broad." (Nyl.) 



8. L. pusillum, Nyl. olivaceo-fuscescent or virescenti-fuscous, 

 most minute, adnate, lobulato-granulose; granula gonima few, 

 moniliform; cortical layer rather indistinct; apothecia rufescent, 

 minute, elevated, prominent, in a thalline excipulum whose margin 

 is concolorous with the epithecium ; spores 8, colourless, ovoid, or 

 narrower at either apex, 3-4-septate. 



On old walls, very rare. 1867. 



Syn :-Nyl. Syn. 121. (1861); Scand. 33. Crombie En. 7. 

 Exs : — (forma cffma) Am. 356 Larbal. 54. 

 Geog. Distrib : — Sweden, Germany. 

 < Bot. Prov:-1...5...31. 



England -.—(Forma effusa,) Bath. Dr. Hull, near Cirencester. Mr. Joshua. 



