The English flora - SeaweedAfrica

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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.
Lecidea melizea, Ach. Syn.
p. 11. t. 2./. 6. E. Bot. t. 1263.
p. 47.
Mossv trunks of trees, Mr. Dickson. In a wood near Bangor, Mr.
D. Turner.
61. L. Ehrhartidna, Ach. (Ehrhartian Lecidea); crust rugged
granulated greenish-white studded with black warts (parasitic
substances ?), apothecia bordered yellowish at length convex
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 intricate^
Ach. Syn.]). 154, (Borr.).—Lichen i/ttrirutus, Schrad.—
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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, apothecia
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-. '(whit, ami ytlhnr Lecidea ); crust
leprtfM white \.iv
when VOUng flattish with a herder of their own colour at length
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i liiii and e\en. apothecia orange* coloured