LICHENES E CAUCASO ET E PENINSULA TAURICA. 327 



Syst. Germ. p. :2!21), sjiecies L. contir/iiae affines amplectens, excipulo ex 

 hyphis irregulariter contextis sat leptodermaticis formato, apotheciis ma- 

 jusculis, paraphysibiis vulgo plus minusve ramoso-connexis ceterisque 

 notis distinguitur. 



49. L. exornans (Aen.) Nyl. 



Fl. 187:2 p. 358, Hue, Addend, p. 189. Lecidclla iimhoiiata f. exornans Arn., Licli. 

 Exs. (1867) n, 355, Lieh, Tirol IV. (1869) p. 6i4, Lccidella exornans Arn,, Tirol 

 XIX. p. "279. 



In nijDe calcarea ad Mamisson (^68). Medulla jodoleviter cserulescens. 

 ExcÍ23ulum extus tenuiter fuligineum, intus albidum. Hypothecium superne 

 sordide pallidum, inferne albidum. Epithecium sordide olivaceo-fuligineum. 

 Sporae long. circ. 0,o)o, crass. 0,oo6 millim. Apotliecia disco nudo, umbonato. 

 Margine tenuiore et umbone minore et reactione distinctiore tlialli a 

 L. lunhonata (Hepp) differt, at forma solum sit hujus speciei. 



50. 7^. pantheriud (Ach.) Th. Fp>,. 



Lieh. Seand. p. 491. 



Var. Acliariana Wain. 



Adj. Lieh. Lapp. II. p. .56. 



Thallus albidus, areolis planis. Apothecia nuda. 



In rupe granitica ad Ceja (ïilii), in rupe argillaceo-scbistosa ad Gur- 

 schevi (eí39), in rupe arenaria ad Mamisson (279, 280 pr. p., 282, 293), ad 

 saxa vulcanica in sylva ad Asau (368). 



51. L. lapicida (Ach.) Wain. 



Adj. Lieh. Lapp. II. p. 54. 



V(U\ (h'cliiiaiix Nyl., Licb. Scand. p. 226. 



In rupe argillaceo-scbistosa ad Gurscbevi (238), in rupe arenaria ad 

 Mamisson (274, 383 pr. p., 284, 285, 288, 289), in rupe argillaceo-scbistosa 

 ad Tschegem (481 j^r. p.). Paraphyses increbre septatie (apicem versus 

 crebrius septatie). 



F. oclirovicla Ach. 

 Wain., 1. c. p. 55. 



In rupe arenaria ad Mamisson (286 pr. p., 297 pr. p.). Hypotbeciura 

 superius fuscescens. Parapbyses septis circ. 4, cellulis elongatis, jiarce 

 ramoso-connexaB (pra^sertim basin versus), ramis anastomosantibus bre- 

 vissimis (quare difficilius observantur). 



F. vcrrucif'era Wain. 

 L. c. 



Thallus areolis convexis, baud ocbraceis. 



In rupe arenaria ad Mamisson (292). Tballus KHO non reagens, 

 medulla jodo ca^rulescens. Hypothecium superne fuscescens, inferne al- 

 bidum. 



