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464. 115.Lecidea. 4. CENOTHALAME^. Pl.cell.apk.
5. Lecidea confiuens. Confluent lecidea.
Crust tartarlike, rather spreading, cracked in beds, even,
smoke-grey; apothecia sessile, growing irregular, convex,
nearly globular, confluent, black, not bordered ; inside the
same colour, with a thin, grey bed under the centre.
Lichen confiuens, Weber Germ. 130; Engl. Bot. 1964.
Verrucaria confiuens, HoJFin, Germ. 184.
Lecidea confluens, Achar. Meth. 40 ; Lich. 174, except 8,
On stones and rocks.
Tliallus sometimes ; sometimes coloured ochre yellow.
6. Lecidea Umitata. Bordered lecidea.
Crust thin, rather membranaceous, white, greyish, bordered
with black, grows spreading, slightly granular; apo-
thecia flattish, sessile, bordered, black; inside blackish.
Lichenoides leprosum, crusta cinereo-virescente, tuberculis nigerrimJs,
Billen in Rail Syn. 7 1, 52.
Lichen sanguinarius, Light/. Scot. 803, not of Linnaeus.
Lichen parasemus, Achar. Prod. 64; Engl. Bot, 1450.
Lichen litnitatus, Scopoli. Corn.
Lecidea parasema, Achar. Meth. 35 ; Lich. 175, except $.
On the bark of trees, and on timber-work.
7. Lecidea aromatica. Spicy lecidea.
Crust rather cartilaginous, scaly, granular, greyish, glau-
granules flattish, frequently rather tiledlike, crenate
cous ;
apothecia sessile, plano-concave, bordered, growing bent,
aggregated, black; inside solid, similarly coloured.
Lecidea aromatica, Turner in Linn. Tr. 5, 2.
Lichen aromalicus, Engl. Bot. 1777.
On concreted sandy earth, or old flint walls.
Thallus when rubbed emits a highly powerful and fragrant
scent.
8. Lecidea sariguinaria. Bloody lecidea.
Crust wrinkly warted, whitish grey ; apothecia growing
convex, hemispheric, slightly tubercular, black; inside
horny, black, with a lower blood-coloured stratum.
Lichen sanguinarius, Lin. S. P. 1607 ;
Engl. Bot. 155.
Verrucaria sanguinaria, Hoffm.Germ. 194.
Lecidea sanguinaria, Achar. Meth. 59; Lich. 170.
On timber, dry branches, and rocks.
9. Lecidea geochroa. Earth-colour lecidea.
Crust spread, granulated, slightly coherent, whitish, grey
or brownish grey ; apothecia hemispherical, nearly globular,
often crowded, conglomerated, slightly shining.