The English flora - SeaweedAfrica

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Lecanora.] LICHENES. 191
26. L. cdbella, Ach. (cream-coloured Lecanora); crust leprous
thin continued cream-coloured somewhat polished, apothecia
sessile whitish-buff uneven with a thin white wavy border.
Sm.—Ach. Syn.p. 168 Lichen albellus, Pers.—E. Bot. *. 2154.
Common on the smooth bark of trees.
27. L. cameo-lutea, Ach. (pale crach-shielded Lecanora);
crust membranous extremely thin indeterminate white smooth,
apothecia depressed minute" flattish flesh-coloured when young
covered by the white border which cracks in the centre. 8m.
Ach. Syn.p. 171. Parmelia cameo-lutea, Turn, in Linn.Trans.
v. 9. p. 145. t. 12. /. 2. Lichen carneo-luteus, E. Bot. t. 2010.
Trunks of Elms, Sussex and the Isle of Wight, Mr. Boner.
28. L. Parella, Ach. (CraUs-eye Lecanora or Perelle); crust
dirty-white determinate plicato-verrucose, apothecia scattered
thick the disk concave of the same colour as the thick tumid
even border.—Ach. Syn. p. 169.—Lichen Parellus, Linn.—E.
Bot. t. 727.—Dill. Muse. t. 18./. 10.
Rocks, principally in mountainous countries, frequent —This is the
Perelle of Auvergne and other parts of France, where it is extensively
employed to produce a dye, far superior to that of the Cudbear (Lecanora
tartarea) and quite equal to that of the Archill {Roccella tinctorla).
29. L. tartarea, Ach. (tartareous Lecanora, or Cudbear); enttl
thick granulated and tartareous greyish-white, apothecia scattered
the disk convex at length plane or tumid yellow-Drown
inclining to flesh-colour the border thick indexed at length
WHYj.—Ach. Sun. p. 172. Lichen tarturcus, Linn.—E. Bot.
t. L66.—Dill. Muse. t. 18. /. 13.—3. Upsaliensis ; crust thinner
enveloping the stems and leaves of mosses and other plant-.
hence branched and throwing out branched bristles. Itcamra
tartarea, y. frigida, Ach. Syn.p. 172.—Lichen I psaUensi*, Linn.
—E. JJot. i. 1634. Lichenfrigidus, Sw.—E. Bot. t. 1879.
On rocks in alpine countries. abundant. £. enveloping the branches and
Leaves of mosses, heath, &c—This is the famous Cudbear (so called after
a Mr.Cuthbert,who first brought it into use) employed to produces purple
for dyeing woollen jrarn ;
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and nowhere, perhaps, used to so great an ex-
tent as in the manufactory of Mr. Mackintosh of Glasgow. This gentleman
imports it largely from Norway, where it grows more sbundantlytban
with us; yel in the Highland districts many an industrious
peasant gets a living 1>\ scraping offthis Lichen with an iron hoop, and
ling it t«» the Glasgow market. When I was in tin- neighbourhood
(1 f Foil Augustus, some years sgo, I was informed that a person could
earn IN. per WCek at this' work, telling the material at 3t> id. the stone
of a li.s. The fructified specimens sre reckoned the beat.
A remarkable and fructified state of this plant, as it appears to n.e. IS
imported bi Mr. Mackintosh from Sicily, with the crutt singularly thick
and formed" mto warts so exceedingly elongated and cylindrical that the)
appear like the pod t: / "fan h'uiium.
30. L. IWrneVi, Ach. (mealy jhsh-ndnund Lecanora); crnsi
leprous very mealy -reenish-white, apotheeia hVsh-colou.e