The Botany of Iceland - 01.12.1941, Page 30

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M. P. CHRISTIANSEN
Egilstaðir, 18.VII.1935. Brekka, 20.VII.1935. Lindabrekka, 26.VII.1935. Skógar
in Fnjóskadalur, 23.VII.1937. Akureyri, 2.VIII.1937. Siglufjörður, 13.VII.1935.
Tálknafjörður, 11.VII. 1935. Patreksfjörður, 11.VII. 1935. Laugarvatn, 5.VIII.1935.
Vestmannaeyjar, 9.VIII.1935. On dung, especially cow-dung.
Spores lemon-shaped, blackish brown, 15—20 X 9—11 JU. Plate, fig. 64.
96. A. separata (Linné) Karsten, var. Poul Larsen, Fungi of Iceland, p. 547.
Note. J. E. Lange, Fl. Agar. Dan., vol. IV, t. 142, f. Fl. Stropharia separata forma
vernalis.
Stykkishólmur, 9.VII.1935. Siglufjörður, 14.VII.1935. On dung.
Large. Cap greyish-brown (h 4—h 3) with darker spots (h 2), margin paler
(h5). Stipe stout, elongate-conical, bulbous. Gills dark brown with blackish spots,
margin white.
Sporepowder black. Spores blackish-brown, lemon-shaped.
Cortiniopsis Schroeter.
97. *C. pyrotricha (Holmskjold) Sev. Petersen, Danske Agaricaceer, p. 424.
Holmskjold, Ot. II, t. 35 (Agar.).
Laugarvatn, 5.VIII.1935. In a homefield. A cluster of young specimens.
Cap 5—8 cm broad, at first conic-campanulate, then convex, densely covered
with yellow- or orange-brown hair. Veil distinct. Stipe stout, hollow, tawny, fibril-
lose. Gills somewhat crowded, almost free to slightly adnate, at first pale, then
blackish-brown with fimbrillose toothed, white edge.
Spores lemon-shaped, verrucose, impellucid, 9—11 ,U long. Cystidia cylindric-
clavate, apex somewhat rounded-capitate, slightly crested, about 10 JU broad.
Panaeolus Fries.
98. P. papilionaceus (Bulliard) Fries, Epicr., p. 236. Poul Larsen, Fungi of
Iceland, p. 547, no. 569. J. E. Lange, Fl. Agar. Dan., vol. IV, t. 149, f. G.
Skútustaðir, 28.VII.1935. Brekka, 23.VII.1935. Akureyri, 2.VIII.1935. Laugar-
vatn, 5.VIII.1935. On cow- and horsedung.
Spores limoniform, 13—17 X 8—11 JU. Plate, fig. 65.
99. *P. retirugis Fries, Epicr., p. 235. J. E. Lange, Fl. Agar. Dan., vol. IV,
t. 149, f. E.
Brekka, 21.VII.1935. Akureyri, 2.VIII.1935. On cow- and horsedung.
Cap 1—1/i cm broad, at first parabolic, then conic-campanulate, not hygro-
phanous, disc brown, towards the edge yellow to clay-colour, wrinkled-reticulate all
over (except the umbo) by raised ribs, edge white appendiculate. Stipe 7 cm X
2j4 mm, hollow, brownish, apex whitish or brownish pruinose, base white woolly.
Gills broad, adnate, ventricose, black with a yellow tinge and with spots. Flesh in
the stipe brownish.
Spores blackish, impellucid, almond-shaped, 13—17 X 9/t—11 JU. Cystidia
obtuse, cylindric club-shaped, up to 7 jU broad. Plate, fig. 66.
100. P. campanulatus (Linné) Fries, Hym. Eur., p. 311. J. E. Lange, Fl.
Agar. Dan., vol. IV, t. 150, f. D.
Reykjavík, 6.VII.1935. In a garden.