The English flora - SeaweedAfrica

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Lecanora.] LICHENES. 189
13. L. glaucoma, A eh. (wall-eyed Lecanora}; crust tartareous
black uneven hard greyish-white, apothecia depressed
crowded at length tumid deformed black-brown or buff with a
strong glaucous tinge and a wavy border. Ach. Sy?i, p. 165.
Lichen glaucoma, E. Bot. t. 2150. L. rupicola, Dicks.—L. various,
Dav. in Linn. Trans, v. 2. p. 284. t. 28. /. 3.— " L. compositus,
With. Bot. Arr. v. 4. p. 13. £.31. /. 2, (body
On whin-stone, or slate rocks, in mountainous countries.
14. L. thelostomct, (umbilicate-shielded Lecanora); crust
tartareous thin continued brown minutely cracked, apothecia
sessile hemispherical umbilicated reddish (-brown ) with a
thick elevated even border. Sm.— Lichen thelostomus, E. Bot.
t. 2153.— Verrucaria thelostoma, "Ach. in Winch, v. 2. p. 44."
—Pyrenula umbonata, Ach. Syn.p. 121.
Whin-stone rocks, near Eglestone, Durham, Rev. Mr. Harriman.—
agree with the opinion expressed by Sir James E. Smith, that this
accords better with the Lecanora of Acharius than with the Vcrrucarice
or Pyremdce.
15. L. subfusca, Ach. (broivn-shielded /Lecanora); crust thin
continued smoothish brownish-white, apothecia sessile slightly
convex dark reddish-brown sometimes inclining to black with a
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tumid entire border. Ach. Syn.p. 157.
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Lichen subfuscus, Linn.
—E. Bot. t. 2109 Dill, Slusc t. 18. /. 16.
On the smooth bark of trees, most abundant; sometimes on rocks;
and very variable in the size and hue of the apothecia. These are
clustered, and, as it were, compound; sometimes the crust is greenish.
L. angulosa, Ach. appears to be only a var. of this, found in the North
of England and Scotland.
16. L. frustulosa, Ach. (white-scaled L.cranora); crust tartareous
yellowish-white in dispersed tumid warts at length somewhat
imbricated lobed and variously shaped, Apothecia darkbrown
at length convex with a cremate holder. Ach. Sun.
p. 155). Liahen fhutolojus, Dichs. Cr. Ease. 9. //. 13. /. 8./. 1»».
E. B„t. t. 2273.
Rocks of micaceous schist, on the Breadalbane mountains.
** Ajiotltcrio rid or >/r!/oit\ and sometimes inclining to brown.
in rrr ULieh.
17. L. rintnsii. A.h. (red-spangled Lin mom); crust thick
cracked the areohe tumid ejeenUh-Milphur -coloured sometimes
whitish, apothecia oppressed convex irregular Wood-red rising
Lichen vent
above the Barrow border. Ach, Syn* />. 159
E. Hot. t. \m\.— /),il. Muse. t. is.'/ I I.
Mountain-rocks, abundant.
Is. L. n/ siu-riifii. (grey and red Lecanora)} crust limited
granulated pale-grey, apothecia tawny-red flaUish with a thick
waved bonier. S/n.— Lit Inn e,i sm-rufiis. S,hrnd.— /;'. Bot\
/. 1(1 }l l.— L,innorn r/dn/ms,. Ae/i. .Si,/i. />. 162.
On walls, Norfolk snd Cambridgeshire.
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