OP GREAT BRITAIN. 



323 



Imbedded in the thallusis a, minute Sphceria Bookerii, Nyl. (Dacampia; Mass.) 

 with ellipsoid 3-5-septate fuscous spores ; see Leight. Ang. Lich. t. 27. f. 5. 

 Verrucavria, Borr. in E. Bot. Suppl. 2622. f, 2. 



213. L. prcecavenda, Nyl. thallus obscure, thin, scarcely 

 visible ; apothecia black, plane or somewhat concave, margined, 

 small ; hypothecium somewhat reddish-brown, above more intense 

 in colour ; epithecium obscurely amber-brown ; spores 8, faintly 

 blackish, elliptical, 1-septate ; paraphyses slender ; gelatina 

 hymenea blue then vinous -red with iodine. 



On decaying holly, very rare. 1869. 



Stn :— Crombie in Seetnan Journ. Bot. 7. 232. (1869.) Enum. 88. 



Geog. Distrib : — Europe. 



Bot. Prov : — 2. 



England :— Near Lyndhurst in New Forest. Rev. J. M. Crombie. (1869). 



Distinct from L. myriocarpa, DC. by the form of the paraphyses and reaction 

 with iodine, and from L. adpressa, Hepp, by the paraphyses and colour of spores 

 and hypothecium. 



214. L. deludens, Nyl. whitish, firm, thin, rimose, (K pale- 

 yellowish), surrounded by a very thin, black hypothallus ; 

 apothecia black, innate, circumcised, plane, obtusely margined, 

 concolorous within ; hypothecium brown ; spores 8, fuscous, 

 1-septate; paraphyses discrete, regular, moderate, clavate, 

 brownish ; gelatina hymenea I intensely-blue. 



On weathered quartzose stones in alpine regions. 1871. 



Stn :— Nyl. in Mora 1873. p. 289—300. 



Bot. Pkov : — 15. 



Scotland : — Summit of Cairn Gowar, Blair Athole. Rev. J. M. Crombie. 

 (1871). 



"Allied to L. coUudens, Nyl. Spores .022—27 mm. long, .008—13 mm. 

 broad." (Nyl.) 



215. L. hyperiza, Strn. cinerascent or plumbeo-ciner ascent, thin, 

 smooth, continuous, obscurely limited, (K — C — ) ; apothecia black, 

 sessile, plane or somewhat convex, rather large, margin obtuse, 

 internally cinerascent ; hypothecium fuscescent, grumous ; spores 8, 

 fuscous, ellipsoid, 1-septate, very often with 3 or 4 nuclei, rather 

 large ; paraphyses distinct, slender, often articulate, apices 

 branched, interspersed with numerous granules; gelatina hymenea 

 I intensely-blue, almost black. 



On smooth bark of trees. 1874. 



Stn :— Stirton in Grevillea 3. p. 35 (1874). 



Bot. Peov :— 15: 



Scotland : — near Killin, Perth. Dr. Stirton. (1874). 



Spores .016— .022 mm. long, .009—012 mm. broad. (Strtn.) 



216. L. excelsa, Leight. white, thin, effuse, areolato-rimose, 

 areola} plane and flat, somewhat shining, ( K yellow G yellow) ; 

 apothecia black, or violet-black, small, innate or innato-sessile, 

 plane or somewhat concave, margin thickish, prominent ; hypo- 

 thecium nigro-fuscous ; paraphyses indistinct, apices nigro- 

 fuscous, incrassate, I dirty-blue ; spores 8, fuiigineo-fuscous, 

 oblong, 1-septate, small. 



On micaceo-schistose rocks, rare. 1875. 



Stn :— Leighton in Grevillea 4. p. 78. (1876). 

 Bot. Pkov :— 26. 



