r,ECAXOR\.] r,KCA.Vi)-I.F,( IliFKI. 433 



I[<ih. Oil tilt' tniiik-; of tiv.'s and tm old palt;^, e-^pi'ri.illv fir, in m.iri- 

 tiino and upland di>trict-i. — Distr. Prolialdv g-'Ueral in (in-at I'>ritain, 

 usnaliy pli'iitiful where it occurs; rare in tlie Clianntd Islands and S, 

 Ireland. — 15. M. : Beauport Hay, Island of Jersey. Lydil, Kent; Xew 

 Forest, Hants ; uear Torquay and Totn \s.s, S. Devon; Koche, Cornwall ; 

 Malvern, Worcestershire; near Ludliw, Herefordshire; !> 'ttws-y-Coed 

 and Trefriw, Carnarvonshire ; Staveley, near Ivend;d, Westmoreland ; 

 Ennerdale, Cuniberl ind. Xew Galloway, Kirkcudbrightshire ; Rarcal- 

 dine, Argylesliire ; Craig Calliach and near Losh Tu nm d, Perthshire ; 

 near Forfar ; Durris, Kincardineshire; Co:intess\vells Wood, near Aber- 

 deen, and Mar Forest, Bra-mar. Aberdeenshire; Rjthieminfhus Wood.«<, 

 Inverness-shire. Glenbower Wood and Castlebernard Park, co. Cork. 



Var. y. smiragdocirpa Xyl. Flora, 1872, p. 248, nota 1. — 

 Tliallus as in the type. Apothecia bright emerald-green. — Crorab- 

 Grevillea, xviii. p. (J'J. 



From the peculiar colour of the apothecia to be regarded as a distinct 

 variety. In the only British specimen the thallus is scarcely visible, 

 thoujh the apothecia are somewhat crowded, convex, with the margin at 

 length excluded. 



Huh. On decorticated stamps of oak in an upland district. — Distr. Very 

 rare in Central England. — B. M. t Summit of the Chilteni Hills, Oxford- 

 shire. 



Subsp. L. inversa Xyl. Flora, 1879, p, 361. — Thallus nearly as 

 in the type. Apothecia small, the thalline margin distinct, per- 

 sistent, subentire, epulverulent ; spores not seen. — Cromb. Grevillea, 

 xviii. p. 09. 



As observed by Xylander /. c. the thallus (which is somewhat firmer) 

 agi-ees in the reaction with L. e.vpaJIens, while the thalline margin of the 

 apothecia is subsimilar to that of L. varin. Were the spores known, it 

 might probabh^ be a distinct spscies. 



Hah. On the branches of furze in an upland district. — Distr. Only a 

 fragmentary specimen from S.W. Ireland (s. n. Leccmora albo-flavida 

 Tayl. noT. sp.). — B. M.: Finnechy River, co. Kerry. 



ll'J. L. symmicta Ach. Syn. (1814) p. 340 ; X^yK Flora, 1872, 

 p. 249. — Thallus subeflFuse, thin or very thin, subleprose or 

 minutely granulose, pale yellowish-green or whitish- straw-coloured 

 (K-j- yellow, CaCl -I- orange). Apothecia smaD, biatorine, at first 

 plane with thin, entire margin, speedily convex and immarginate, 

 pale-yellow or }'ale-testaceous, partly olivaccoas ; spores oblong, 

 0,011-14 ram. long, 0,004—5 mm. thick; paraphyses slender, not 

 very well discrete ; hymenial gelatine bluish, then sordid-yellow 

 with iodine. — Cromb. Grevillea, xviii. p. 69. — Lecanora symmicta 

 Leight. Lich. Fl. ed. 3, p. 183 (excl. vars.). Lecinora v.iria 

 ^. s)/mmicta Ach. Lich. Univ. (1810) p. 379; Mudd, Man. p. 150 

 pro parte ; Cromb. Lich. Brit. p. 52 pro parte ; Leight. Lich. Fl. 

 ed. 1, p. 193 pro parte. 



Mav be recognized from its more immediate allies chiefly by the con- 



2f 



