The Botany of Iceland - 01.12.1941, Page 21

STUDIES IN THE LARGER FUNGI OF ICELAND
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cylindric, rather short, of the same colour, but paler towards the base, slightly
squamulose above. Gills very narrow, almost free.
Spores white, oval-cylindric, 4.8—5.5 X 2.6—3 JU. Plate, fig. 19.
The specimens from Laugar were very large, larger than T. persicolor (J. E.
Lange, Fl. Agar. Dan., vol. I, t. 24, f. G.), but of the same colour as T. carneum.
41. T. panaeolum Fries, Epicr., p. 49. J. E. Lange, Fl. Agar. Dan., vol. I,
t. 27, f. B. Poul Larsen, Fungi of Iceland, p. 527, no. 502.
Lindabrekka, 26.VII.1935. In a homefield.
42. *T. brevipes (Bulliard) Fries, Syst. Myc. I, p. 53. J. E. Lange, Fl. Agar.
Dan., vol. I, t. 29, f. D.
Lindabrekka, 26.VII.1935. In a homefield.
Cap 4—6 cm broad, convex, very slightly umbonate, dark fuscous when young,
then grey. Stipe 3—4 cm high, c. 1 cm thick, stout, subconic, whitish, slightly
fibrillose, rapidly becoming dark dirt-brown inside. Gills white, deeply emarginate.
Spores oval, c. 7 X 4 jU, minutely verrucose. Basidia 4-spored. Cystidia har-
poonlike.
Melanoleuca Conrad et Maublanc.
43. M. cognata (Fries) Conrad et Maublanc, Icon. sel. fung., Paris 1924,
Pl. 271, var. elatior n. v. Poul Larsen, Fungi of Iceland, p. 528, no. 505.
Laugar at Breiðamýri, 27.VII.1937. Among grass in a homefield.
Spores oval, finely verrucose, c. 9 X 4.5 JU. Plate, fig. 20.
Hebeloma Fries.
44. H. crustuliniforme (Bulliard) Fries, Epicr., p. 180. Poul Larsen, Fungi
of Iceland, p. 529, no. 506. J. E. Lange, Fl. Agar. Dan., vol. III, t. 119, f. A.
Brekka, 21.VII.1935. In a homefield. Laugarvatn, 5.VIII.1935. In birch copses.
45. H. fastibile Fries, Epicr., p. 178. Poul Larsen, Fungi of Iceland, p. 529,
no. 507.
Laugarvatn, 5.VIII.1935. In birch copses.
Cap 4—6 cm broad, convex-flat, with rounded obtuse umbo, glutinous, at first
white, then alutaceous (k 2—b7—g7). Stipe 5—10 cm X c. 6 mm, cylindrical,
bulbous at base, white, covered with a fibrillose layer, mealy at the apex. Gills.
comparativey narrow, emarginate, at first almost white, then yellowish-brown
(g 1—g2). Smells of radish.
Spores elipsoidal smooth, 11X6//. Sporepowder yellowish-brown (darker than
g 2, a little more brownish). Plate, fig. 21.
46. *H. strophosum Fries, Epicr., p. 161. J. E. Lange, FI. Agar. Dan., vol. III,
t. 118, f. D.
Brekka, 21.VII.1935. Skútustaðir, 29.VII.1935. Laugarvatn, 5.VIII.1935. In
outfields and in birch copses.
Cap 2—4 cm broad, convex to sub-umbonate, almost smooth, viscid, but soon
dry, centre brown-fleshcolour (g 1—h 1), margin brownish clay (g 1—h4—h 3).
Stipe 4-—5 cm high, 4—8 mm thick, slender, peronate up to the fibrillose spurious
ring with a dense woolly-fibrillose coating, above white and mealy, dingy ochry
clay-brown below. Gills broad, emarginate with decurrent tooth, pallid, becoming
14*