OF GREAT BRITAIN. 



421 



angular or sub-radiate shapes, internally brownish; spores 8, 

 colourless, very broadly obovate, 3-septate. 



On trees, holly, mountain-ash, oak, poplar, ivy, alder, beech 

 frequent. 1809. 



Syn :— Ach. in Schrad. Journ. Bot. 1. 3. p. 13. 0806.) Syn. 5. Leight. Br. 

 Graph. 54. Mudd Man. 246. 



Fig :— E. Bot. 2079. Leight. Br. Graph, t. 8. f. 33. 



Exs :— Sohasr. 462. Anzi It. S. 323. Mudd 228. Leight. 70. 



Geog. Distbib : — Switzerland, Hungary', Germany. 



Bot. Pbov:— 1, 2. 3.. .5.. .7.. .10, 11...15...19...26. 



England :— Sussex ! Mr. Borrer. (1809.) near the Ketreat, Berwickshire ! 

 Dr. <?. Johnston. Cliffrigg ! Shuttershelf ! Airyholme Wood ! Cleveland. Mr. 

 Mudd. Kings Kerswall, Newton, Devon. Mr. Parfitt. Tiptree ; Feering ; 

 Beckingham, Essex. Mr. Varenne. Midland Counties. Mr. Purton. Plymouth. 

 Mr. Holmes. Montford Bridge ! Nesscliffe Hill ! Shropshire. 



Scotland : — Will's Braes, Forfarshire. Mr. Gardiner. 



Ibeland :— Castlebernard Park ! oo. Cork. Mr. Carroll. Delphi, Connemara. 

 Mr. Larbalestier. 



Wales : — Moel-y-Golfa ! Montgomeryshire. Festiniog road, Dolgelley 

 Trefriw ! Beddgelert ! Tremadoo ! Diganwy ! 



Spores .014— .0195 mm. long, .005— .007 mm. broad. 



22. A. trachylioides, Nyl. cream-colour, more or less tinged with 

 rose, rather thick, contiguous, smooth, subsequently leproso- 

 pulverulent, effuse or sub-determinate ; ardellae black, small, very 

 numerous, sessile, rounded, solitary, rarely confluent, plano-convex, 

 immarginate, nigro-pulverulent and rugose when old; spores 6-8, 

 colourless, obovate, or lineari-clavate, the extremities rounded, 

 Z-septate. 



On sub-alpine rocks, very rare. 1861, 



Stw ;— Nyl. Enum. Gen. 133. (1858.) Mudd Man. 251. 

 Fig :- -Mudd Man. t. 4. f . 98. 

 Exs :— Mudd 237. 

 Geog. Distbib : — Europe. 

 Bot. Pbov :— 1...7...10. 



England: — Farndale : Hisrhcliffe; Ingleby Park; Yorkshire. Mr. Mudd. 

 Ohudleigh, Devon. Mr. Parfitt. 

 Wales : — Great Orme's Head ! Mr. Holmes. 

 "Spores .003 to .0035 in. long, by .001 in. broad, t. 4. f. 98." (Mudd.) 



23. A.paralia, Nyl. fusco-cinerascent, thin, continuous, smoothish, 

 rimose; ardellae fuscous, rotundate, nearly plane, lecideoliform ; 

 internally ooncolorous ; hypothecium colourless ; epithecium rufes- 

 cent ; spores 8, colourless, oviform or subconstricted in the middle, 

 3-4 -septate. 



On exposed maritime rocks, rare. 1877. 



Syn :— Nyl. in Flora 1877. p. 565. 

 Bot. Pbov :— 26. 



Ibeland: — Cleghan near Kylemore. Mr. Larbalestier. (1877.) 

 "The thallus contains simple eugonidia. Gelatina hymenea and spores I 

 vinous-red. Spores .018 — 22 mm. long, .007 mm. broad." (Nyl.) 



*** Spores i-septate. 



24. A. cinnabarina, (Wallr.) greyish, filmy, thin, determinate ; 

 ardellce lurid and pruinose, or powdery and of a bright vermilion, 

 sessile, clustered, difformed, solid, plane, depressed ; spores- 8, pale- 

 red, obovato-clavate, rounded at the extremities, 4-septate, upper 

 ceil largest. 



