54 ANGIOCARPOUS LICHENS. 



29. V. Sprucei, Ch, Bah, Sporidia in asci 8, large, 

 broadly linear-oblong, triseptate, white. Plate XXIII. 



Specimen labelled " V. jpapillosa, Ach. ? variety with 

 tubercles more denuded. Barnaghee Mountain, 1837" I 

 Br. Taylor, in herb. Borrer, (See Plate XXIII. fig. 4.) 

 Nent Force, Cumberland ! Mr. Bobertson, in herb. Borrer. 

 (See Plate XXIII. fig. 5.) 



Thallus effuse, subtartareous, thin, continuous, smootli- 

 ish, sometimes slightly cracked, pale yellowish-brown, 

 with a green layer underneath the surface. Apothecia very 

 prominent, hemispherical, black, slightly polished and 

 shining, with a depressed pore on the summit. Berithe- 

 cium scarcely immersed at the straight base ; nucleus 

 white, enveloped in a thin, black or dark-brown tunic, 

 the colour varying in intensity, sometimes paler, as in 

 the Irish specimens, black in the Cumberland and Pyre- 

 nean specimens. Sporidia very large, white, broadly 

 linear-oblong, more or less shghtly tapered at the ends, 

 sometimes obovate, sometimes broader and oblong. Iden- 

 tical with specimens amongst Mr. Spruce's collections in 

 the Pyrenees, gathered on " Mount Gorsi prope les 

 Eaux Bonnes,*' and named V. Sprucei, bv the Rev. 

 Churchill Babington. (See Plate XXIII. fig." 6.) 



t t I^ner tunic pale. 



30. V. PAPiLLOSA. Ach. Sporidia in asci 8, oval, mar- 



gined, pale-coloured. Plate XXIV. fig. 1. 



Vekrucaria PAPILLOSA, Ach. L. Univ. 286. 



Specimen named " V. papillosa, Ach. ?" fromDunkerron 

 Mountain ! Dr. Taylor, in herb. Borrer. 



Thallus efTuse, subtartareous, thin, continuous or mi- 

 nutely rimose, surface rugulose, pale greyish-brown. 

 Apothecia often covered by the thallus except their apex, 

 sometimes merely encircled by it at their base, and some- 



