238 THE LICHEN-FLORA 



Sub-tribe VIII. THELOTEEMEI. 

 Apothecia verrucaBform, open. Spores 8, murali-divided. 



X. THELOTKEMA. Ach. 



Thallus slightly crustaceous, continuous. Apothecia verrucas- 

 form, at first closed, then open ; ostiolum rotundo-poriform, margin 

 double, external or thalline one thin, even, internal or proper one 

 membranaceous, lacero-dehiscent, disk urceolate, depressed ; spores 

 8, colourless, fusiform, murali-divided. 



1. T. lepadinum, Ach. whitish or yellow-cream-colour, sub-effuse, 

 smooth or slightly ruguloso-unequal ; apothecia hemisphcerical, 

 scattered, ostiolum round, open, margin even ; disk urceolato-scutel- 

 liform, dark-brown, csesio-pruinose or naked, proper margin lace- 

 rate, inflexed; spores 8, colourless, oblongo-fusiform, murali- 

 divided. 



On trees, holly, frequent, rarely on rocks. 1800. 



Syn :— Ach. Prodr. 30. (1798.) Syn. 115. NyL Scand. 185. Turn. & Borr. ! 

 Lich. Brit. 180. Mudd Man. 278. 



Fig :— E. Bot. 678. Leight. Aug. Lich. 1. 12. f. 1. 



Exs :— Schaer. 121. Bohl. 29. Mndd 268. M. & N. 257. Zw. 352. NyL 50. Hepp 

 948. Leight. 121. 



Geog. Distbib :— Sweden, Norway, Switzerland, France, Germany, Spain, 

 Guyana, N. Zealand. 



Bot. Pkov :— 1, 2, 3, 4, 5, 6, 7...10, 11...15...(19-30)...26 



England : — Eglestone and Teesdale Forest, Durham. Rev. J. Barriman. 

 (1800.) Sussex! Mr. JBorrer. King's Wood, Koche Abbey! Yorkshire. Mr. 

 Bohler. near Old Byland ! Yorkshire. Mr. Baker. Baysdale ! Airyholme ! 

 Hob Hole ! Cleveland. Mr. Mndd. near Beverley. Mr. Teesdale. Studley Woods, 

 Yorkshire. Mr. Brunton. New Forest. Mr. Lyell. Costesey near Norwich. Sir. 

 W. J. Hooker. St. Leonard's Forest and near Tunbridge Wells. Messrs. Turner 

 and Borrer. Gibside ; Bavensworth and Cawsey Woods, Durham ; Bearl Wood ; 

 East Common Wood and Felton Woods, Northumberland. Mr. Winch. Stoke 

 Wood, Exeter. Mr. Parfitt. Devon. Messrs. Jones <fc Kingston. Ightham, Kent. 

 Mr. Holmes. Haughmond TTill ! Holly Park ! near Stokesay. Shropshire. 



Scotland : — Loch Katrine, BreadaLbane. Rev. J. M. Crombie. 



Ireland : — Common on trees, rare on rocks. Mr. Carroll. Lough Muck ! co. 

 Galway. Mr. Larbalestier. 



Wales : — Hafod, Cardiganshire. Sir. J. E. Smith. Cors-y-gedol ! Rev. T. 

 Salwey. Dolgelley ! Bettws-y-coed ! 



" Spores .012 to .018 in long, by .003 to .0045 in. broad, t. 5. 1 116." (Mudd. ) 

 " Spores .035— 70 mm. long, .011— 16 mm. broad." (Nyl.) Spores .080— .090 

 mm. long, .015— .020 mm. broad. 



forma rupestre, T. & B. deep-yellow or ochrey, tartareous, dis- 

 persed; apothecia deformed, crowded, ostiolum dilated, thalline 

 margin tumid, disk darker-brown; spores 1-2. 



On rocks, not common. 1813. 



Stn :— Turn. & Borr. Lich. Brit. 180. (1813.) Leight. Ang. Lich. 32. Mudd 

 Man. 278. var. scuUUiforme, Ach. L. U. 313. Syn. 115. 



Fig :— Leight. Aug. Lich. 1. 12. f. 2. 



Geog. Distbib :— Europe. 



Bot. Pbov:— 2...7...11...26. 



England : — Teesdale, Durham. Rev. J. Harriman. Sussex. Mr. Borrer. 



Ibeland : — Dunkerron ! Dr. Taylor. Kylemore Castle ! co. Galway. Mr. 

 Larbalestier.. 



Wales : — Llyn Bodlyn ! Rev. T. Sahoey. 



Spores .070 mm. long, .015 mm. broad. 



