The Botany of Iceland - 01.12.1941, Page 19

STUDIES IN THE LARGEK FUNGI OF ICELAND
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30. L. sericella (Fries) Quélet. Agaricus sericellus Fries, Syst. Myc. I, p. 196.
Poul Larsen, Fungi of Iceland, p. 526, no. 495. J. E. Lange, Fl. Agar. Dan., vol. II,
t. 77, f. E.
Akureyri, 2.VIII.1935. In a homefield.
31. *L. sp.
Vestmannaeyjar, 9.VIII.1935. Among grass and moss on mountain slopes.
Cap 17 cm broad, campanulate, greyish-brown with blackish-brown, squamulose
disc, edge membranaceous, fibrillose, hygrophanous, pellucidly striate. Stipe 4—5 cm
high, 2 mm thick, coloured like the cap, smooth, base white, woolly. Gills adnate
or somewhat decurrent, pale with a reddish tinge. Smell none. Sporepowder flesh-
coloured.
Eccilia Fries.
32. *E. undata (Fries).
Clitopilus undatus Fries, Hym. Eur., p. 119. Icon., t. 96, f. 4. J. E. Lange, Fl.
Agar. Dan., vol. II, t. 79, f. A.
Laugarvatn, 5.VIII.1935. Among grass in home- and outfields.
Cap up to 2 cm broad, flat-convex, profoundly umbilicate, dingily pale grey—-
greyish-brown, minutely hoary-pruinose. Stipe 1 /i cm X 2 mm, brownish, base
slightly white-woolly. Gills rather strongly decurrent, dingily pallid, soon flesh
coloured. Sporepowder very pale incarnate.
Spores 9—10 X 6.4 /I, subovate, with about 6 obtuse angles. Plate, fig. 15.
33. *E. undata (Fries) var. pusilla = R. undatus var. pusillus J. E.
Lange, Fl. Agar. Dan., vol. II, p. 104, t. 80, f. G.
Vestmannaeyjar, 9.VIII.1935. On a mountain slope among grass and mosses.
Cap 1—1/2 cm broad, convex-flat, umbilicately depressed, almost ashy gray, at
first slightly hoary-tomentose. Stipe c. 2 cm X 1—2 mm, colour of the cap, slightly
pruinate at first. Gills rather strongly decurrent, arcuate, moderately crowded, dingily
pallid, at last with a pale incarnate tinge.
Spores oval, obliquely pedicellate, outline wavy-nodulose, 9—10.5 X 6—6.5 /l.
Plate, fig. 16.
Clitopilus Fries.
34. *C. prunulus Scopoli, Carn. II, p. 437. J. E. Lange, Fl. Agar. Dan.,
vol. IV, t. 133, f. A.
Reykir, 7.VIII.1935. In a homefield.
Cap 4—9 cm broad, at first convex, soon becoming irregularly depressed with
a wavy or somewhat lobed edge; surface soft of a dull whitish colour or somewhat
alutaceous. Stipe short, concolorous with the cap. Gills white, then somewhat pinkish
flesh-colour. Strong farinaceous smell.
Spores elipsoid fusiform, 9—11 X 4—5 /l (J. E. Lange).
Mycena Fries.
35. *M. leptocephala Persoon(?), Ic. et descr., t. 14, f. 4. J. E. Lange,
Fl. Agar. Dan., vol. II, t. 51, f. F.
Slúttnes in Mývatn, 31.VII.1935. Vaglaskógur, 31.VII.1935. Under willows
and birches.
The Botany of Iceland. Vol. III. part II.
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