OF GREAT BRITAIN. 337 



"Spores .010 — 9 mm. long, .004—2 mm. broad. Paraphyses thick, exces- 

 sively nigro-clavate at the apices. Hypothecium excipulare fuscum." (Nyl.) 



forma minor, Cromb. smaller. 



Stn :— Crombie En. 91. 



Bot. Pkov :— 19. 



Ibeland :— Turk Mountain, Killarney. 



251. L. rupicola, Nyl. glaucous, thin, opake, subrimulose ; 

 apothecia livid or livido-fuscous, pallescent, plane, marginate, gene- 

 rally with a spurious thalline margin; hypothecium colourless; 

 spores 8, colourless, oblong or sublineari-oblong, 1 -septate ; 

 paraphyses distinct, cohserent, apices colourless ; epithecium 

 sublutescenti-granulose. 



On moist micaceo-schistose rocks. 1877. 



Stn :— Nyl. in Flora 1877. p. 228. 



Bot. Pkov :— 26. 



Ibeland : — Dawros Cliffs ! Galway. Mr. Larbalestier. (1877.) 



" Spores .010 -11 mm. long, .004 mm. broad. Gelatina hymenea I blue then 

 vinous-red. Scarcely specifically different from L. cyrtella, with -which it 

 agrees in the spermatia. May be regarded as a Lecanora, but far removed 

 from L. erysibe." (Nyl.) Spores .012 — .015 mm. long, .005 — 6 mm. broad. 



252. L. anomala, (Fr.) albo-cinerascent, sub-granuloso-pulveru- 

 lent, thin, sometimes evanescent, (K — C — ) ; apothecia livido-rufous 

 or blackish, adnate, plane, margin thin, at length convex and 

 margin obliterated, internally colourless ; hypothecium colourless ; 

 hymenium colourless ; paraphyses concrete, apices pale ; spores 8, 

 colourless, oblong or elliptical, 1-septate, large. 



On trees, ash, holly, not common. 



Geog. Distbib :— Scandinavia. 



Bot. Pbov:-3...10...26. 



England : — Near Ayton ; Airyholme 1 Cleveland. Mr. Mudd. Hickmore, 

 Fen Wood ; Mile End near Colchester ; Felix Hall Park ; Kelvedon, Pod's 

 Wood, Messing, Essex. Mr. Varenne. 



Ibeland : — Near Lough Muck, co. Galway. Mr. Larlalestier. 



Eorm and size of spores distinguish it from L. tricolor and L. globulosa. 

 The apothecia moistened with K and C remain dark and do not become trans- 

 parent as in L. cyrtella. Spores .011 -.014 mm. long, .004— .005 mm. broad. 



253. L. tricolor, (With.) whitish, very thin, unequal or obso- 

 lete or sub-granuloso^rugose, effuse, (K yellow G orange) ; apothecia 

 cameo-fuscous or livid' )-fuscescent or nigricant, plane, margin thin, 

 paler ; hypothecium colourless, lateral excipulum very pale-brownish ; 

 spores 8, colourless, oblongo-ellipsoid or oblongo-fusiform, 1-septate. 



On oak and pine, ash, hawthorn, sycamore, trees, common. 

 1796. 



StN:— With. Arr. 4. 23. (1716.) Nyl. Scand. 207. Lichen Griffithii, Sm. 

 Siatora mixta, Er. L. E. 268. Mudd Man. 176. 



Fig :— E. Bot. 1735. Hepp Sporen t. 85. f . 738. 



Exs :— Bohl. 119. Zw. 82. Arn. 216. Hepp 738. Korb. 278. Leight. 70. 



Geog. Distbib : — Sweden, Italy, Germany. 



BoT. PeoV :— 2, 3, 4, 5.. .7, 8, 9, 10, 11. ..15.. .19.. .25.. .30, 31. 



England : — Durham, fiev. J. Harriman. Yarmouth. Mr. Turner. Sussex 1 

 Mr. Borrer. Lodge near Ludlow ! Woodhill ! Oswestry, Shropshire. Bev. T, 

 Salwey. Haughmond Hill ! Shropshire. Prof, Churchill Babington. Cliffrigg I 

 Oggery Hill ! Airyholme Wood ! Cleveland. Mr. Mudd. New Forest and 

 Epping Forest. Bev. J. M. Crombie. Malvern ; Isle of Wight. Dr. Boll. Stoke 

 Wood, Exeter. Mr. PartU. near Twycross, Leicestershire. Bev. A. Bloxam. 

 near Colchester, Essex. Mr. Varenne. Kagley Wood, Warwickshire. Bev. W. 



X 



