384 THE LICHEN-FLORA 



apothecia bright-croceo-rufous, somewhat plane, appressed, immar- 

 ginate, moderate ; hypothecium colourless ; thecse poiysporous ; 

 spores colourless, oblong or oblongo-cylindrical, simple. 

 On mossy rocks. 1868. 



Stn :— Nyl. Prod. 116. (1857). 

 Fie :— DR. and Mont. Alger, t. 19. f. 4. 

 Exs :— Am. 12. Zw. 367. 

 Geog. Distrib : — France, Germany, Algeria. 

 Box. Prov : — 15. 



Scotland : — Ben Lawers ! Messrs. Stirton and Gait. (1868.) 

 " Spores .007— .011 mm. long, .003 mm. broad." (Nyl.) Spores .006—7 mm. 

 long, ,003 mm. broad. 



374. L. strepsodina, Ach. cinerascent or albo-cinerascent, very 

 thin, almost evanescent, smooth ; apothecia black, crowded, sub- 

 rotundo-difformed, oblong or subrotund, rugose, margin plicate; 

 excipulum carbonaceous, hypothecium pale-nigro-fuscous ; para- 

 physes distinct, cohserent, apices fuscous ; spores innumerable, very 

 minute. 



On rocks, rare. 1866. 



Stn :— Ach. L. TJ. 247. Syn. 71. 



Bot. Peov :— 1...7...26. 



England ; — Penzance ! Rev. T. SaVwey. 



Ireland : — Glencorbot ! Mr. Larbalestier. (1876.) 



Wales : — Festiniog road, Dolgelley ! (1866.) 



L. Parasitical Species. 



375. L. vitellinaria, Nyl. no proper thallus ; apothecia parasitic, 

 black, very minute, scattered, sessile, concave, margin elevated, polished ; 

 hypothecium brownish ; spores 8, colourless, elliptical or oblong, 

 simple, with 1 or 2 nuclei (in size and form exactly like those of 

 Lecidea parasema.) 



Parasitic on Lecanora vitelline, not common. 1851. 



Stn :— Nyl. in Bot Not. 1852. p. 177. Scand. 218. Mudd Man. 212. 



Exs :— Leight. 182. Arn. 193, 



Geog. Distrib : — Sweden, Austria, Germany. 



Bot. Pkov :— 5...10...15. 



England : — Near Newton ! Lanbraughrigg and Battersby, Yorkshire. Mr. 

 Mudd. Black Mountain, Monmouthshire. Dr. Holl. Haughmond Hill ! Long 

 Mynd ! Shropshire. (1851.) 



Scotland : — Breadalbane ; Ben Lawers. Rev. J. M. Orombie. 



" Spores .00175 to .002 in. long, by .001 in. broad." {Mudd.) "Spores .010 

 -12 mm. long, .006 mm. broad." (Nyl.) Spores .011— .012 mm. long, .006 

 mm. broad. 



376. L. oxyspora, (Tul.) no proper thallus ; apothecia parasitic, 

 black or fuscous-black, minute, plane or sub-convex, imma.rginate ; 

 hypothecium fuscescent ; spores 8, colourless, elliptical, simple, with 

 2 nuclei. 



Parasitic on various Parmeliei in sub-alpine regions, rare. 1856 



Stn :-TuL Mem. 116. (1852.) Nyl. Scand. 246. Mudd Man. 225. 

 Fig :-Tul. 1. c. t. 16. f. 27. Microscop. Joura. 5. t. 4. fig. 15. 16. 

 Exs :— Leight. 281. 

 Geog. Distbib : — Scandinavia. 

 Bot. Prov:— 5.. .7.. .15.. .26. 



England : — Worcestershire Beacon ! Malvern. Mr. Lees. 

 Scotland :— Glen Shee ! (1856.) Moncrieff Hill ! Perth ; Strathbran 1 Dun- 

 keld ; Corramulzie, Braemar. Dr. Lindsay. 



