118 THE LICHEN-FLORA 



decumbent or depressed, under surface nigricant, opake ; apothecia 

 badio-rufous, margin crenulate ; medulla white K — C — . 

 On alpine rocks, rare. 1791. 



Stn :— Sm. in Trans. Linn. Soc. 1. p. 83. (1791). Ach. Syn. 206. NyL Syn. 

 401. 



Fig :— Trans. Linn. Soc. 1. 1. 4. f. 6. Hffm. PL L. t, 32. f. 2. Hepp Sporen t. 

 7. f. 52. 



Exa :— Schser. 368. Fr. 338. Anzi It. S. 106. Zw. 183. Hepp 52. M. and N. 

 353. 



Geog. Distbtb : — Europe. 



Bot. Pbov :— 15. 



Scotland :-Cairntoul; Ben Lawers; Ben More; Morrone. Rev. J. M. 

 Crombie. 



" Spores .007— .010 mm. long, .005— 8 mm. broad." (Nyl.) "Spores .007— 

 ,010mm. long, .005—7 mm, broad." (T. M. Fr.) 



Var. obscurata, Ach. fusco-nigricant but fusco-olivaceous at the cir~ 

 cumference, shining, rugoso-plicate, laeinice broad, subinflated, nigio- 

 fuscous at the margins. 



On old pales in maritime districts. 1875. 



Stn :— Ach. Syn. 218. 



Exa : — Hepp 585. Anzi Langob. 257 B. 



Geog. DI3TBD3 : — Arctic America, Switzerland, Italy. 



Bot. Pbov :— 3...17. 



England : — Lydd, Kent. Rev. J. M. Crombie. (1875). 



Scotland : — Near Nigg, Kincardineshire. Rev. J. M. Crombie. 



5. P. alpicola, Th. Fr. nigro-olivaceous, crustaceo-cartilaginoics, 

 orbicular or expanded, sub-opake, laeinice convex, rugoso-plicate, 

 imbricate and complicate, narrow, toruloso-inlricate, apices in- 

 curved, under surface very black, sparsely fibrillose ; medulla white 

 K — C — ; apothecia nigricant, concave, margin entire ; spores 8, 

 colourless, ellipsoid or sub-globose, simple. 



On alpine rocks. 



Syn -.--Parmdia alpicola, Th, Ft. Lich. Arctoi 57. (I860), Lich. Scand. 125. 

 Parmelia encausta, var, slygioides, Linds. Tr. Roy. Soc. Edin. 22. p. 224. 



Pig :— E. Bot. t. 2049. 



Geog. Distbib : — Scandinavia. 



Bot. Pbov : — 15. 



Scotland : — Ben Nevis. Dr. Stuart. Cairngorm, Braemar. Dr. Lindsay. 

 (1856). Morrone, Ben-na-boord ; Ben More ; Breadalbane. Rev. J. M. Crombie. 



" Spores .007—12 mm. long, .005—9 mm. broad." (T. M. Fr.) 



6. P. ambigua, (Wulf.) stramineous, stellato-orbicular, oppressed, 

 laeinice narrow, applanate, multifid, flavo-sorediate, under surface 

 fuscous-black ; apothecia rufo-badious or badio-fuscescent, margin 

 sub-entire ; spores 8, colourless, oblong or ovoideo-oblong, curved, 

 simple ; tballus K — C+, medulla white K— C — . 



On fir trees, posts, &c. 1808, 



Ssrtf :— Wulf. in Jacq. Coll. 4. 239. (1790) Ach. Syn. 208. NyL Lich. Scand. 

 105. Mudd Man. 103. 



Eig :— E. B. SuppL 2796. (the yellow figures) Hffm. PL L. t. 40. f. 2. 3. 4. t. 

 42. f . 2. 3. Hepp Sporen t. 98. f. 858. 



Exs:— Anzi Langob. 52. Fellm. 84. Hepp 858. Schaer. 375. M. and N. 449. 

 Mndd 75. Leight. 373. Stenh. 124, 



Geog. DraTBD3 :— Europe, N. America. 



Bot. Pbov :— 5...7, 8, 9, 10.. .15. 



England :— Gopsall Park, Leicestershire ! Rev. A. Bloxam. Pehtregaer near 

 Oswestry ! Hay Park near Ludlow. Rev. T Salwey. Ingleby Greenhow ! Hog- 

 garts Wood, Cleveland. Mr Mudd. Clongha, Lancashire. Mr. R. Jacob. 



