The Botany of Iceland - 01.12.1932, Side 74

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POUL LARSEN
473. P. medulla panis Fries, Saccardo, Syll. fung. VI, p. 295.
Mödruvellir [St. St.]. — On beams in a cellar.
Polyporus Micheli.
474. P. croceus (Persoon) Fries, Syst. Myc. I, p. 364.
Hálsskógur [O. D.]. — On Betula pubescens.
475. P. brumalis (Persoon) Fries.
Boletus brumalis Persoon, Synops. meth. fung., p. 517.
Hálsskógur [St. St.]; Voglaskógur [O. D.]; Hallormstaðir [P. L.]. — On
stumps and fallen branches of birch.
Polgstictas Fries.
476. P. hirsutus (Wnlfen) Fries.
Polyporus hirsutus Fries, Syst. Myc. I, p. 367.
Egilsstaðir [P. L.]. — On fallen branches of Betula pubescens.
477. P. perennis (Linné) Fries.
Boletus perennis Linné, Flora Suecica, No. 1245.
Lomagnupur (Buchwald). — On the ground in an Empetrum-Cal-
luna-heath.
Hygrophoraceae.
Hijgrophorus Fries.
478. Hygrophorus conicus (Scopoli) Fries, Hym. Eur., p. 419.
Mývatn (Gronlund); Akureyri, Reykjavík [C. H. O.]; Hallormstaðir and
Skútustaðir [P. L.]. — On knolls in outfields and in homeflelds.
Cap conical, margin straight, colour 1 6 and 1 7, becoming black.
Flesh thin, yellow, becoming black. Stipe cylindrical, yellow, white
below, becoming black. Gills broadest anteriorly, nearly free, at first al-
most white, then yellow, becoming black. Spores white, elongate-ovate,
9-11X5-6 p.
479. H. miniatus Fries, Hym. Eur., p. 418.
Egilsstaðir (Lagarfljót) [P. L.]. — Among grass in outfields.
Cap 1—2cm broad. convex, orange-red, covered with fine yellow scales
(projecting hyphæ with yellow contents). Stipe cylindrical, stuffed, co-
loured like the cap, above clad with yellow scales. Gills thick, rather
distant, broadly adnate, decurrent tooth, yellow to orange. Spores white,
nearly cylindrical, 8—9X5—5.5 p.
480. H. pratensis (Persoon) Fries, Hym. Eur., p. 413.
Hof in Hörgárdalur [O. D.]; Seyðisfjörður [P. L.].
Cap 3—5 cm broad, flat, gibbosc, margin thin, orange-yellow (1 6).
Stipe concolorous but paler, cylindrical, thinner below. Gills thick, distant,
concolorous, strongly decurrent. Spores white, ellipsoidal, 6X4