OP GREAT BRITAIN. 483 



Wales : — (Spores 3-5-7-septate.) Trefriw falls ! Conway falls ! 

 Spores .038—045 mm. long, .0085— ,010 mm. broad. 



104. V. lactea, (Korb.) cream-coloured, thin, effuse ; apotkecia 

 black, minute, sub-innato-sessile, hemispherical ; perithecium dimi- 

 diate, incurved at the base, black ; epithecium poriform ; paraphy- 

 ses distinct ; spores 8, colourless, broadly lanceolato-fusiform, 5-7- 

 septate ; gejatina hymenea brownish or yellow with iodine. 



On trees, very rare. 



Stn : — Sagedia lactea, Korb. Syst. Lich. 366. (1855.) 



Exs :— Zw. 44. 



Geog. Disteie :— Germany, Hungary, Switzerland. 



Bot. Pkov :— 2. 



England :— Sussex ! Herb. Hooter. 



Spores .0235— .0335 mm. long, .005— .007 mm. broad. 



105. V. olivacea, Borr. nigrescenti-olivaceo-virescent, sub-tartar • 

 eons, continuous or rimose, indeterminate ; apotkecia dull-black, 

 opake, rugose, invested by the thallus, hemispherico-globose, inter- 

 nally pale; perithecium dimidiate, black ; epithecium a minute 

 pore ; spores 8, colourless, singularly elongato-clavato-fusiform, 

 1 -septate, large. 



On trees, sycamore, ash, rare. 1829. 



Stn :— Borr. in E. Bot. Suppl. 2597. (1829.) Leight. Ang. Lich. 42. Mudd 

 Man. 301. 



Fig :— E. Bot. Suppl. t. 2597. fig. 1. Leight. Ang. Lich. t. 18. f. 1, 



Exs :— Leight. 199. Mudd 290/ - • 



Geog. Distrib : — Europe. 



Bot. Prov :— 2, 3.. .5, 6...8...10, 11.. .19.. .24.. .26, 27. 



England: — Sussex! Mr. Borrer. (1829.) Gopsal ! Leicestershire. Rev. A. 

 Bloxam. Airyholme ! Easby Wood ! Skutterskelf ! Ayton ! Cleveland. Mr. 

 Mudd. New Forest. Rev. J. M. Crombie. Northumberland and Durham. Mr. 

 Winch. Sibertswold and Penshurst, Kent. Mr. Holmes. Shere, Surrey. Dr. 

 Capron. Haughmond Hill ! Alberbury ! Shropshire. 



Ireland: — Kerry. Br. Taylor. Bantry. Miss Hutchins. Killaloe, co. Clare ! 

 Loughcooter, Galway ; Muckruss, Killarney ; Tullagreen and Ballyedmond, 

 Cork. Mr. Carroll. Lord Sligo's demesne, Westport ! co. Mayo. Mr. Larbales- 

 tier. 



Wales :— River Gwaine ! Fishguard, Pembrokeshire. 



" Spores .006 to .008 in. long, by .001 in. broad." .(Mudd. J. Spores .030— .040 

 mm. long, .004 — .005 mm. broad. 



106. V. succina, Leight. thallus fuscescent, thin, effuse, scarcely, 

 if at all, surrounding the base of the apothecia ; apotkecia numer*- 

 ous, large, amber-colour, hemispherico-conical, papillate ; perithecium 

 amber-colour throughout,, dimidiate, spreading^ at the base ; epithe- 

 cium minute, poriform; paraphyses very delicate and slender; 

 asci lineari-clavate ; spores 8; colourless-, broadly fusiform, 1 -septate, 

 large. 



On rocks, very rare. 1875. 



Stn :— Leight. in Grevillea 4. p. 78. Linn. Trans. 2nd ser. 1. 145. 



Fig :— Linn. Trans. 1. c. t. 22. f. 8. 9. 10. 11. 12. 



Bot. Pbov :— 26. 



Ireland : — Near the lake, Kylemore ! co. Galway. Mr. Zarbalestier. (1875.) 



The apothecia when wet become of a beautiful transparent amber-colour. 

 Iodine has very slight, if any, reaction on the asci and spores. Its nearest 

 ally would seem to be V. illinita, Nyl., but that species differs in having a 

 whitish thallus, nigricant apothecia, the- perithecium colourless in lower part 

 and fuscous in the upper part, and iodine turning the asci and sporesof a dirty 

 deep-brown, and is also a corticolar lichen. Our lichen differs also in the size 



