The Botany of Iceland - 01.12.1932, Side 88

536
POUL LARSEN
yellowish. Apex mealy, otherwise naked, but slightly sulcate. — Gills
obtusely adnate, with denticulate edge, at flrst greyish white, then fuscous
with pale margin. — Spores oblong, tapering towards one end, flexuose-
angular, with low verrucose thickenings of the
membrane which is tawny, 10 — 13X6.4 — 7.5 /(.
Fusiform, coronate cystidia at edge and on face
of gills, 45-60 X 14—16 fi and also clavate, smootli
cells at edge of gills.
528. I. trechispora (Berkeley) Bresadola, Icon.
Mycol. XVI, t. 766, 1930.
I. scabella Cooke sensu Roger Heim, Le genre
Inocybe, Paris 1931, p. 401.
Laxárdalur near Mvvatn, Glerá near Akureyri
[P. L.]. — On sandy, grassy and mossy flat stretches
alons the rivers.
Fig. 16.
Inocybe decipiens.
Cystidia and spores X 500.
Pileus 7—10 mm broad and almost as high, conico-campanulate,
shortly squarrosely tomenlose, reddish brown (j 5), summit occasionally
grey; the slightly incurved mar-
gin is pale, the almost white
gills being visible below it. —
Stipe cylindrical with spherical
bulb, 2 cm high and 1 —1.5 mm
thick, white above and slightly
mealy, pale brown in the middle,
the bulb white; gills ascending,
acutely adnate, white edge, at
flrst greyish white, then brown-
grey, at length brown. — Spores
irregularly 5- or 6-angular with
low rounded warts, brown, 1-gut-
tulate, 8—9.6X6.5—8 fi. — Cysti-
dia — both at edge and on face of gills — fusiform with coronate
529. I. grammata Quélet(?), Flore myc.
Fr., p. 100.
Eyjolfstaðir and Hallormstaðir [P. L.].
— In birch copses.
Pileus 4—5 cm broad, flatly conical
with rounded summit, cuticle radiately
rimose, viscid, fuscous, summit and mar-
gin pale grey, shining when dry. — Stipe
short and thick, bulbous, in the middle
rose-coloured (m 2). Apex farinaceous and
sulcate, bulh white. Flesh of cap cream-
coloured, of stipe pale orange (e 6). Gills
broad, emarginate, grey, then brown, edge
fimbriate. Sporesbrown, oblong, approach-
apex, 48—60 X 16,5—19 fi.
Fig. 18.
Inocybe grammata?
Cystidia and spores X 500.