The English flora - SeaweedAfrica

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CoUema.] L1CHENES. 211
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18. C. satuminum, Ach. (saturnine CoUema); thallus foliaceous
submembranaceous dark-greenish lead-coloured glaucous
and downy beneath, its lobes rounded wavy, apothecia scattered
reddish-brown with a thin entire border Ach. Syn. p. 320.
Lichen satuminns, Sm. in Linn. Tr. v. \,p, 84. Dicks. Cr.
Fasc. 2. p. 21. t. 6./. 8. E. Bot. t. 1980.
Trunks of trees, in mountainous districts ; not unfrequent in Scot-
land.
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Fructification very scarce.
19. C. Burgessii, Ach. (Br. Burgess" CoUema); thallus foliaceous
somewhat imbricated glaucous greenish-brown much
lobed sinuated curled in the centre as well as in the circumference
downy and somewhat spongy beneath, apothecia copious
depressed flatfish brown, their border crisped and foliaceous.
Ach. Syn. p. 320. Lichen Bnrgessii, Light/. Scot. p. 827. t. 26.
E. Bot. t. 300.
On trees in Scotland, not unfrequent, especially near water ; and in
the West Highlands. Cardiganshire, Sir J. E. Smith.
20. C. tuna/orme, Ach. (sooty CoUema); thallus foliaceous
membranaceous somewhat wrinkled black-green with s< uttered
fuliginous powder, the lobes oblong deeply cut sinuato-
laciniated obtuse flexuose and crisped subcrcnate, the apothecia
scattered few flattish brown with an entire border. Ach. Syn.
p. 322. Winch, Fl. of North, and Durh. p. 93. Lichen tuna/ormis,
Ach. in Nov. Act. Holm. v.
Fasc. 4. p. 25.
16. j). 17. t. \.f. 6.—Dichs. Cr.
Rod •-.:;, near Wigmere, Hereford, Mr. Dickson. Limestone rocks,
about Egleston and Middleton in Teesdale, Durham, Rev. J. Harru
man. Near Wycliffin the same county, Mr, Winch.— 1 am unacquainted
with this species.
lM. C. nign'srcns, Ach. (hi irhish or Bat's-wing CoUema);
thallus foliaceous membranaceous somewhat solitary orbicular
ragged and broadly lobed dark olive-green, apothecia central
crowded at length convex reddisn-brown elevated with an entire
border. Ach. Syn. p. 321.— Lilian nigr€9C&M, Ilnds.—
/;. Hot. t. :U.V—L. Vespertilio, Light/.— Dili, Mute. t. 19./ 20.
Trunks of trees in damp woods, and shady rock •
22. C. fldecidum, Ach. (flaccid CoUema)} thallus foliacexms
membranaceous smooth dark blackish-green it- lobes ascending
rounded plaited entire, apothecia scattered reddish flattish with
an entire border.
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Ach. Syn. p. 322.
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Lichen flaccid**^ Ach.
Linn.JiL— L.mgre*>
Prodr.— /•;. Hot. t. 1653, L.rupe8tri* i
Ehrh. ( '.'/j't.
Trees and rocks, chieflj in hilly or mountainous countries.
•_'••;. ('. oranuldtum, (granulated CoUema)} thallus foliaceous
membranaceous granulated on both sides of s blackish-olive
colour with tufted cotton) radicles beneath, its lobes crowded
rounded plaited crisped and cut, apothecia scattered dark
I,,-own. Lichen granulates, Hud*, I'.. Bot t. 1757, CoUema