452 



THE LICHEN-FLORA 



^ 18. V. plumbea, Ach. plumbeo-cinerascent or lead-coloured or 

 greyish-brown, thickish, determinate, smooth, rimulose or rimuloso- 

 areolate ; apothecia black, small, immersed, slightly prominent , 

 ostiolum depressed ; epithecium poriform ; perithecium thick, entire ; 

 spores 8, colourless, ellipsoid or oblong, simple, small ; paraphyses 

 none ; gelatina hymenea vinous-red with iodine. 

 On calcareous rocks, not common. 1813. 



Sth :— Ach. L. U. 285. (1810.) Nyl. Scand. 271. Mudd Man. 288. 



Fig :— E. Bot. t. 2540. Leight. Ang. Lich. t. 19. f. 5. 



Exs :— Schser. 102. 643. Hepp 223. Mudd 275. Zw. 248. 



Geog. Distrib : — Switzerland, Austria, Italy, Germany, Bavaria. 



Bot. Prov:— 1...5...10, 11...16...19...24...30. 



England : — Chedder ! Somersetshire. Mr. Borrer. (1813.) near Middleton ! 

 Teesdale. Bev. J. Harriman. Hartlepool, Durham ! Newton Wood ! Cleveland. 

 Mr. Mudd. Chedworth Woods, Gloucestershire. Mr. W. Joshua. Wenlock 

 Priory ! Llanymynech TTill ! Shropshire. 



Scotland : — Appin. Bev. J. M. Crombie. 



Ireland : — Near Belfast. Mr. Templeton. Dnnkerron. Dr. Taylor. Dromoland, 

 co. Clare. Mr. Carroll. Cong ! Lough Corrib. Mr. Larbalestier. Glencorbot ! 



" Spores .0025 to .003 in. long, by .001 in. broad." (Mudd.) " Spores .015—19 

 mm. long, .007— 8 mm. broad." (Nyl.) Spores .014 — .016 mm. long, .007 mm. 

 broad. 



19. V. peloclita, Nyl. grey or cinereo-fuscescent, thin, smooth, 

 areolato-rimulose ; apothecia black, somewhat prominent ; perithe- 

 cium dimidiate, black; ostiolum impressed; spores 8, colourless, 

 oblong, simple, small 



On shady rocks, rare. 1876. 



Stn :— Nyl. in Flora 1877. p. 461. 

 Bot. Prov :— 26. 



Ireland :— Twelve Pins, Connemara. Mr. Larbalestier. (1876. ) 

 "Allied to V. truncatula, but with different thallus.and spores. Spores 

 011 — 15 mm. long, .005 — 6 mm. broad." (Nyl.) In general appearance very 

 jike V. plumbea, but with smaller spores. 



20. V. thelostoma, Harrim. cinereo-rufous, tartareous, thin, con- 

 tinuous, minutely rimuloso-areolate, determinate ; apotliecia rufous- 

 broum, verruciform, elevated, sessile, hemispherical, depressed and 

 umbonate in the centre ; perithecium entire, pale below, rufous- 

 brown above ; paraphyses distinct ; spores 8, colourless, ellipsoid, 

 simple. 



On whinstone rocks, very rare. 1807. 



Stn :— Harriman in Winch Bot. Guide, v. 2. p. 44. (1807.) Mudd Man. 293. 

 Pyrenvla umbonata, Ach. L. U. 316. Syn. 121. Segestrella thelostoma, Leight. 

 Ang. Licli. 34. 



Fig :— E. Bot. 2153. Leight. Ang. Lich. t. 15. f. 2. 



Geog. Distrib : — Europe. 



Bot. Prov : — 11. 



England : — Near Eglestone, Durham ! Bev. J. Harriman. (1807.) 



•' Spores .004— .0045 in. long, by .002 in. broad." (Mudd.) Spores .017— .018 

 mm. long, .009— .010 mm. broad. 



21. V. thrombioides, Bagliet. cervino-rufescent, cartilaginous, 

 effuse, shining, contiguous, at length rimuloso-areolate ; apotliecia 

 black, large, immersed, thenemersed, and prominent at the depressed 

 apex ; paraphyses none ; perithecium dimidiate, thick and black, 

 inner tunic thin, membranaceous and black ; spores 8, colourless, 

 broadly oblong or oblongo-ellipsoid, simple, granulose, very large. 



