The English flora - SeaweedAfrica

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Vcrrucaria.] LICHENES. 153
Bot. Suppl. after t. 2623. /. 2.
—
Lichen riridulus, E. Bot.
t. 2455, (excluding the synonyms).
On fissile slate rocks, in shady situations in the west of Ireland, Miss
Hutchins.— The black apothecia burst through an irregular star-like
crack in the crust and rise above the surface.
17. V. Icevdfa, Ach. (greyish Water Verrucaria); crust thin
tartareous cracked smooth dirty-white or brow r nish-grey, apothecia
small partially emerging- somewhat conical black. Ach.
Syn.p. 94. Borr. in E. Bot. Svppl. t. 2623./ 2.
Rocky beds of streams in mountainous districts, in the north of England,
Mr. Teesdale, Rev. J. Harriman. Killarney, Sir T. Gage.
18. V. Harrimdni, Ach. (Mr, Harriman s Bock Verrucaria);
crust tartareous continuous limited mouse-coloured with very
minute depressed dots, apothecia minute immersed globose with
a prominent bordered orifice dirty white within. Sm,—Ach.
Syn. p. 93. Lichen Harrimani, E. Bot. t. 2539.
On hard grey calcareous rocks, in Durham, Rev. J. Harriman.— " Its
patches, though inseparable from the stone, are very distinctly limited
and visibly prominent above its surface, of a hard tartareous texture,
white within, greyish or pale mouse-coloured on the outside, which is
thickly besprinkled with innumerable depressions or dots. The tubercles
are deep sunk in the crust, blackish, their little bordered orifices only
projecting slightly above its level." Sm.
19. V.plumbea* Ach. (lead-coloured Roch Verrucaria); crust
tartareous minutely cracked and rugged lead-coloured limited,
apothecia half-immersed globose black pale within. Sm*—
Ach. Syn. p. 94. Schcer. Lich. Helv. p, 54. n. 102. Lichen
plitmbosus, E. Bot. t. 2540.
Limestone rocks, near Cheddar, Somersetshire, Mr. Borrer. " This
species differs sufficiently from V. Harrimani , not so much in the bluer
colour, as in the tessellated configuration of its crtal, which moreover is
destitute of minute dots.
20. V. Gdgei* Borr. (Gagean Rock Verrucaria); crust
continued calcareous smooth brownish-white irregularly cracked
when dry. apothecia very minute blackish sunk in the crust.
Sm.—Lichen Gagei* E. Bot. t. 2580.
Rocks of Glena and Glen Flesk, near Killarney; but not common.
Sir Jas. B. Smith referred this to the Aeliarian Genus Urceolaria: but
Mr. Borrer ranks it with Verrucaria*
21. V. viridula. Ach. (Mosaic "Rock Verrucaria); crust of
polygonal granulato-crenate scales thickish tartareous rugose
greenish olive-brown, apothecia largish black partially immersed
conical. Borr*— Ach. lack, Univ. .Ltd. />.
(>7.~>. aorr, in E.
Sot. SuppL after t. l'- ; 5. f. 2.— Endocarpon viriduium Schrad.
t
Spied. 192. /.
i>. 2./ i.—Pyrenula teeeeUata* Ach* Syn.p. 126.
— Lich, a teeeeOatus. //. Bot* t. .">:::>, (bad as tojiaurt andde-
st ription*
)
< )n bricks and tile-.— A common and \ cr\ \ ari;ili!c Bpe< lies, P Inch has
been involved in much obscurity ; parti} on account ofthe indifferent
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