OF GREAT BRITAIN, 419 



copiously sprinkled, sessile, various in form, punctiform, roundish, 

 oblong, ovate, angular or irregular, depressed or convex, internally 

 fuscous ; spores 8, colourless, obovate, 3-septate, small, upper cell 

 largest, occupying nearly half of the spore, the septa in the lower 

 portion. 



On holly, rare. 1854. 



Stn :— Leighton in Ann. and Mag. Nat. Hist. Oct. 1856. Mudd Man. 248. 



Pig :— Ann. & Mag. Nat. Hist, 1856. 1. 11. f. 11. 12. 13. 14. 15. 



Exs :— Leight. 248. 



Geoq. Distkib : — Normandy. 



Bot. Pbov :— 5...7...10...13. 



England :— Farndale ; Baysdale ! Hobhole ! Cleveland. Mr. Mudd. (1854.) 

 Lyd Hole ! Pontesford, Shropshire. 



Ireland: — Cromaglown Mountain, Killarney. Mr. Carroll. 



Wales :— Trefriw ! 



" Spores .003 in. long, by .001 in, broad, t. 4. f. 97." (Mudd.) Spores .012— 

 .014 mm. Jong. .004 — .0045 mm. broad. 



18. A. punctiformis, Ach. copper-coloured, thin, mem- 

 branaceous, smooth, shining, indeterminate ; ardellae dark-brown, 

 plane or slightly convex, rough, sub-innate, scattered, roundish or 

 broadly oblong, simple, internally pale ; spores 8, colourless, lincari- 

 clavate, or obovate, obtusely pointed, 3-septate. 



On trees, oak, hazel, thorn, rare. 



Stn :— Ach. L. U. 141. (1811.) Syn. 4. Leight. Br. Graph. 53. Mudd Man. 

 247. 



Pig :— Leight. Br. Graph, t. 7. f. 31, 



Exs :— Mudd 231. Anzi Ven. 90. 91. Anzi Langob. 265. Rabh. 942. 



Geog. Distbib :— Scandinavia, Italy, Hungary. 



Bot. Pbov :— 1, 2, 3...10...19...31. 



England :— Sussex ! Mr. Borrer. Hoggarts Wood ! Ingleby ; Baysdale ! 

 Cleveland. Mr. Mudd. Torquay ! Devon. Dr. Deakim. Braxted ; Kelvedon, 

 Essex. Mr. Varenne. New Forest. Rev. J. M. Crombie. 



Ireland : — Lermount ! near Cork. Mr. Carroll. 



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



"Spores .004 to .0045 in. long, by .0015 in. broad." (Mudd.) Spores .020— 

 .022 mm. long, .007— .0075 mm. broad. 



forma galactina, Ach. thallus pale-yellow or cream-colour. 

 On young oaks, rare. 



Stn :— Ach. L. F. 141. Syn. 4. Leight. Br. Graph. 53. 

 Pig :— Leight. Br. Graph, t. 7. f. 81. 

 Geog. Distbib :— Europe. 

 Bot. Pkov:— 1, 2...4...19...31. 



England: — Sussex! Mr. Borrer. Torquay! Devon. Dr. Deakin. Comberton 

 Wood near Cambridge. Mr. Larbalestier. New Forest. Rev. J. M. Crombie. 

 Ibeland : — Dunscombe's Wood ! Cork. Mr. Carroll. 

 Channel Islands : — St. John's, Jersey. Mr. Larbalestier. 



Var. meiantera, Ach. fusco-nigricant or copper-coloured; ardellse 



immersed, oblong, elongate and difformed, somewhat concave. 



On trees, rare. 1867. 



Stn : — Arthonia obscura var. meiantera, Ach. Syn. 7. (1817.) 



Geog, Distbib :— Sweden. 



Bot. Pbov :— 31. 



Channel Islands ;— Noirmont Manor, Jersey! Mr. Larbalestier. (1867.) 



Spores .017 mm. long, .005 mm. broad. 



19. A. astroidea, Ach. white, cream-colour or olive, thin, 

 membranaceous, smooth, scaly, determinate; ardellce blackish or 



