The English flora - SeaweedAfrica

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Collema.] LICHEN ES. 2 1
26. C. sinudtum, (sinuated Collema); thallus foliaceous membranaceous
imbricated dark glaucous-green, the lobes crowded
small rounded incised nearly entire suberect plaited, apothecia
scattered sessile brownish, the border entire. Lichen sinuatus,
Huds.—E. Bot. t. 772 Collema Scotinum, (3. Aeh. Syn.p. 374.
—Dill. Muse. t. 19./. 33.
On rocks and walls and among mosses. Appin, Scotland, Capt.
Carmichael.
27. C. tremelloides, Aeh. (Nostoc-like Collema); thallus foliaceous
membranaceous thin smooth on both sides subdiaphanous
leaden-green, entirely lead-coloured and opaque when dry, tho
lobes ascending rounded somewhat cut, apothecia scattered
rather elevated flat reddish with a smooth pale border. Aeh.
Sin. p. 325. Lichen tremelloides, Linn.—E. Bot. t. 1981.
L. cochlears, Dichs. Cr. Ease. \. p. 13. t. 2.f. 9.
Upon rocks, among mosses in mountainous countries, especially (in
Scotland) near the sea.— Dark-coloured and pellucid as are the fronds
of this Lichen when fresh and moist, they are singularly opaque and pale
leaden-coloured when dry.
28. C. Idcerum, Aeh. (jagged Collema); thallus foliaceous
membranaceous subdiaphanous ascendant bluish-brown the lobes
dilated finely jagged and fringed, apothecia scattered minute
concave red with a thick border. Aeh. Syn. p. 327.
lacerus, Aeh. Prodr.—L. lacer, E. Bot. t. 1982. L.
loides, Huds.— Trcnulla lichenoides, Linn.
Upon walls and rocks among mosses, in various situations.
Lichen
tremel-
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#*# Thallus cut into numerous slender branches.
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29. C. subtile, Aeh. (Jine-spu?i Collema); thallus blackish-green
substellated cut into numerous minute very narrow linear imbricated
and appressed bluntish lacinia\ apothecia central nearly
plane brownish with a narrow entire border. Acli. Syn. ]>. 32$.
—Lichen subtitis, Schrad— Bernh. in Schrad. Journ. v. 1. p. 5.
t.
2.f. 6. Dichs. Cr. Ease. 4. p. 2S. E. Bot. t.
On moist earth, especially of a clayey nature.
1008.
30. C. tenuissimum, Aeh. (fine-cut Collema); thallus imbricated
cut into numerous minute linear multifid unequal granulated
rather acute very crowded segments of a greenish-black
colour, apothecia scattered
thick entire border. Aeh.
nearly Hat reddish-brown with
Syn. p. 328.— Lichen ttnuisrimus,
'
Dichs. Cr. Fate. I. t. 2./ B, /•/. Bot. t. 1427.
On dry Bandy banks, among mosses and short gra
81. C. St /iidfh '/•/'. Aeh. ( Srhrudi ri.
On the ground, in clayey soil, among n rocks and on walla,