Lecidea.] 



LICHENES. 185 



60. L. lutea, Borr. Mss. {yellow-shielded Lecidea); crust thin 

 powdery pale ash-coloured, apothecia plano-convex deep yellow 

 with a paler elevated border. — Lichen luteus, Dicks. Cr. Fasc. 1. 

 p. 11. t. 2./. 6. E. Bot. t. 1263. — Lecidea melizea, Ach. Syn. 

 p. 47. 



Mossv trunks of trees, Mr. Dickson. In a wood near Bangor, Mr. 

 D. Turner. 



61. L. Ehrhartidna, Ach. (Ehrhartian Lecidea); crust rug- 

 ged granulated greenish-white studded with black warts (para- 

 sitic substances ?), apothecia bordered yellowish at length con- 

 vex waved deformed and clustered. Sm. — Ach. Syn. p. 47. 

 (excl. var. /3.) — Lichen Ehrhartianus, E. Bot. t. 1136 — Lichen 

 graniformis, E. Bot. t. 1464, (as to the crust.) 



On wooden barns, Norfolk, Mr. Turner. 



62. L. polytropa, Ach. Meth. (horn-coloured Lecidea); crust 

 tartareous tessellated and broken into little testaceous scales or 

 grains, apothecia numerous plane at length convex bordered 

 angular yellowish-flesh-coloured at length subglobose and de- 

 prived oi' border. — Lichen polytropus, Ehrh — E. Bot. t. 1264, 

 lower figure (Borr.). — Lecidea Ehrhartiana, ,3. polytropa, Ach. 

 Syn. p. 47. 



Rocks, in the north of England and Scotland. 



63. L. intriedta, Borr. Mss. (variable Lecidea); crust tessel- 

 lated smooth greenish-sulphur-coloured and black, apothecia 

 numerous convex bordered angular yellowish-flesh-coloured 

 turning to olive dark purple and black. Sm. — Lecanora intri- 

 cate^ Ach. Syn.]). 154, (Borr.). — Lichen i/ttrirutus, Schrad. — 

 Lit hen polytropus, E. Bot. t. 1264, upper figure, (Borr.). 



Sandstone rocks, in the North of England. 



8 4. L. Iwiihi. Ach. (lemon-coloured Eoch Lecidea); eru-t thin 

 powdery brittle pale groenish-lemon-coloured, apothecia small 



sessile convex lemon-coloured without a border. Sm.- — Ach. 

 Syn. p. 4S.— Lichen luridus, Ach. Pmdr. — /:'. BoLt. 1550. 



On hard sandstone rocks about Liverpool, Sir J, B, Smith. Sussex, 

 Mr. Borrer. 



65, L. atro-jiava, Turn, (blaehand yellow Stone Leaded); erust 

 indeterminate membranous thin somewhat granulated black, apo- 

 thecia numerous small Aattish full- yellow w ith an entire elevat- 

 ed -nnieuhat paler border. Sn%i — Turn, in Linn, Trans. 

 c !>./>. Ul\ /. II. /: 8. — Lichen ntm-jhu-ns, /■/. />W. t. 2009. — 

 Lecidea JStrneriana, A<h. Syn. p. 49. 



On loose exposed flint-stones in Sussex, Mr, Borrer, Near Bury, 

 Bern. G. R. Leathee* 



li»i. \j. idiiucnlti. lJurr. M>-. '(whit, ami ytlhnr Lecidea ); crust 



leprtfM white \.iv i liiii and e\en. apothecia orange* coloured 



when VOUng flattish with a herder of their own colour at length 



