OF GREAT BRITAIN. 



261 



loso- or leproso-pulverulent, oj 'ten evanescent ; apothecia fusco-nigricant 

 or fusco-rufescent, slightly ccesiopruinose, small, plane, or convex, 

 immarginate, solitary or congregate, sub-innato-sessile ; hypothecium 

 yellowish-pale-brown ; paraphyses indistinct, apices brownish ; 

 spores 8, colourless, ellipsoid or ellipsoideo-oblong, simple, small; 

 gelatina hymenea intense blue then violet with iodine. 

 On pine trees and old wood, not common. 



Stn ;-Fr. Sohed. Crit. 1. p. 10. (1824.) Kyi. Scand. 201. Mudd Man. 201. 



Exs:— Fries 25. Nyl. 142. Mudd 171. Anzi Veuet. 74. It. S, 273. Crombie 83. 

 Rabh. 809. Am. 277. 



Geog. Distrib : — Sweden, France, Italy, Arctic America, Scandinavia, E. 

 Lapland. 



Bot. Peov ;— 2.. .5, 6.. .10.. .15. 



England :— Baysdale ! Cleveland. Mr. Mudd. New Forest. Bev. J. M. 

 Crombie. Shropshire ! 



Scotland : — TfilHn and Loohaber. Pass of Killiecrankie. Rev. J. M. Crombie. 



Wales :— Builth ! 



" Spores .0015— .002 in. long, 0.005— .00075 in. broad." (Mudd). " Spores 

 0.006—12 mm. long, 0.003—5 mm. broad." (T. M. Fr.) " Spores 0.007—0.012 

 mm. long, 0.0035—0.0055 mm. broad." (Nyl.) Spores .007— .008 mm. long, 

 .0035— .004 mm. broad. 



Var. pithyophila, (Smrft.) cinerascent, very thin, or evanescent ; 



apothecia crowded minute, convex, rugulose, immarginate, inter- 

 nally fuscous. 



On old fir pales. 1872. 



Syn :— Smrft. Lapp. 154 (1826.) Crombie in Journ. Bot. ii. s. 2. 134. 



Geog. Distrib : — E. Lapland. 



Bot. Prov : — 15. 



Scotland : — Glen Fender, Blair Athole and Killin. Bev. J. M. Crombie. 

 (1872.) 



" From this L. endopella, Leight. Lich. Fl. 301 differs chiefly in the hymeneal 

 gelatine being of a beautiful blue colour with iodine." [Crombie I. c.) 



Var. endopella, (Leight.) evanescent ; apothecia black, numerous, 

 crowded, piano-depressed, margin obliterated, internally pallido- 

 fuscous ; hypotheciwm pallido-fuscous ; spores 8, colourless, very 

 minute, ellipsoid, simple, with 2 rather large nuclei. 



On old fir palings, rare. 1870. 



Exs :— Crombie 84. 



Scotland : — Blair Athole ! Bev. J. M. Crombie. 



This comes very near to Schser. 529, but in that the spores are larger, and 

 linear-oblong, without nuclei ; nevertheless both may be only states of the same 

 lichen. Spores .009— .0095 mm. long, .0045 mm. broad. 



60. L. prasina, (Fries) dull-green or yellowish-green, minutely 

 granuloso-pulverulent, effuse ; apothecia minute, hemispherical, 

 livid-brown or nigricant, immarginate ; hypothecium pale-yellowish- 

 brown ; paraphyses conglutinate, apices pale ; spores 8, colourless, 

 oblong, simple. 



On trees towards the bases, not uncommon. 



Syn :—Micurea prasina, Fr. S. O. V. 257. (1825.) Mudd Man. 196. 

 Exs :— Mudd 164. Zw. 9. 



Gjsog. Distrib : — Switzerland, Germany, Bavaria. 

 Bot. Prov :— 5. ..10. 



England : — Hoggarts Wood ! Ingleby, Cleveland. Mr. Mudd. Wapley Hill ! 

 Herefordshire. Castle Hill Plantation ! near Acton Scott, Shropshire. 

 " Spores .002— ,00g5 in, long, .001 in, broad." {Mudd.) " Spores 0.007— 10 



