The Botany of Iceland - 01.12.1941, Blaðsíða 28

212
M. P. CHRISTIANSEN
Naucoria Fries.
85. N. myosotis Fries, Hym. Eur., p. 261. Poul Larsen, Fungi of Iceland,
p. 543, no. 554. J. E. Lange, Fl. Agar. Dan., vol. IV, t. 126, f. F.
Garður-Grænavatn, 30.VII.1935. Laugar at Breiðamýri, 27.VII.1935. Akureyri,
2.VIII. 1935. Common in moist meadows, and in ditches.
Spores ellipsoidal or somewhat oblique, 14—16 X 7.5—8.5 JU. Plate, fig. 57.
86. N. sobria Fries(?) Hym. Eur., p. 263. Poul Larsen, Fungi of Iceland,
p. 543, no. 555.
Garður-Grænavatn, 30.VII.1935. Laugar at Breiðamýri, 27.VII.1935. On the
edges of ditches and in moist meadows and bogs.
Tubaria Worth. Smith.
87. *T. stagnina Fries, Syst. Myc. I, p. 268. Icon. sel., t. 129, f. 2.
Slúttnes in Mývatn, 31.VII.1935. Among mosses in moist meadows.
Cap 5—17 mm broad, convex-flat with obtuse umbo, purplish liverbrown—dull
date brown (c 1-—h 1), pellucidly striate, the margin of the cap with the floccose
remains of the white veil. Stipe up to 7 cm high, colour of the cap, paler above,
darker below, partly covered with a white fibrillose velum, as a rule forming a ring.
Gills broadly adnate, ochraceous—fulvous (g 2—g3).
Spores oval-cylindric., 13—18 X 7—9.5 JU. Plate, fig. 58.
88. *T. pellucida Bulliard, t. 550. Fries, Syst. Myc. I, p. 156.
Hallormstaður, 22.VII.1935. Vaglaskógur in Fnjóskadalur, 31.VII.1935. In birch
copses.
Cap 1 /i—3 cm broad, at first flatly convex, then plane or somewhat depressed
with a sharp edge, hygrophanous, when moist yellowish brown, pellucidly striate,
when dry clay-brownish; the margin in young specimens has a minute, white, fibril-
lose veil. Stipe 3—5 cm high, 2—3 mm thick, hollow, coloured like the cap, finely
fibrillose-striate, white-woolly below. Gills adnate to broadly adnate, ventricose,
tawny, edge white and fimbrillate. Smell none.
Basidia 4-spored. Cystidia at edge of gills cylindrical with swollen apex, c.
37 X 7 H. Spores smooth, ovoid, 6—8 X 4—5 JU.
89. *T. crobula Fries, Epicr., p. 299. J. E. Lange, Fl. Agar. Dan., vol. IV,
t. 127, f. D.
Slúttnes in Mývatn, 31.VII. 1935. On fallen sticks.
Cap c. 1 cm broad, convex, then plane, hygrophanous and somewhat viscid,
when moist brown, edge slightly striate, with fugacious, white flocci, soon smooth,
when dry whitish-yellow with shining centre. Stipe above pale brown, darker brown
below, covered with a floccose brownish coating. Gills greyish-brown, broadly adnate,
somewhat distant.
Spores ovate 7—8 X 4—5 JU. Plate, fig. 59.
Galera Fries.
90. G. sp. Poul Larsen, Fungi of Iceland, no. 558.
Hallormstaður, 24.VII.1935. Akureyri, 2.VIII.1935. On cow-dung.