The Botany of Iceland - 01.12.1932, Qupperneq 77

FUNGI OF ICELAND
525
Hrafnagjá near Þingvallavatn [P. L.]. — On rotten branches of Be-
tula pubescens.
Cap 4—5 mm broad, resupinate, crateriform pellicle gelatinous,
greyish brown and mealy. There is no stipe, the fungus being attached
by an excentric area of the surface of the cap. Gills distant, white or
grejdsh white, anastomosing in an excentrically placed point. Spores
white, smooth, broadly ellipsoidal, 5—6X4 ju.
Ihissuliopsis Schroeter.
490. R. laccata (Scopoli) Schroeter, var. rosella (Batsch) f. pusilla.
Agaricus laccatus Scopoli; Flora carniolica, p. 444.
Lagarfljót, Laxárdalur, Ljósavatnsskarð, littoral lield near Akureyri,
Isafjörður, meadows near Þverá (Norðtúnga), Laugarnes near Reykjavík
[P. L.].
Cap 1— 2 cm broad, llesh thin, smooth, palely or darkly incarnate
(n 6 to n 7), margin skin-like, undulate-sulcate, centre somewhat depressed.
Stipe short and thin, concolorous. Gills distant, rather thick, adnato-
decurrent, coloured like the cap. Sporcs white, verrucose, spherical,
8—9 p. in diameter.
Entoloma Fries.
491. E. sericeum (Bulliard) Fries, Hym. Eur., p. 196.
Agaricus sericeus Bulliard, t. 413, f. 2.
Hallormstaðir [P. L.]. — On grass-covered spots in and around the
birch copses.
Cap 3—5 cm broad, campanulate with broadly incurved margin and
often with irregular depressions in various parts of the surface, hj'gro-
phanous, pellucidly striate, dark brown in various shades ranging about
c 3, grey when dry, with a silky lustre. The ílesh has the flavour and
smell of ílour. Stipe 3—5 cm high, 4—7 mm thick, cylindrical, stuífed,
flesh stringy, often twisted. Gills grey, then red, sometimes broadly ad-
nate, sometimes deeply emarginate, edge of gills often undulate. Spores
incarnate, almost regularly pentagonal, now and then with an elongated
apiculus, 8—9X7—8 p, a few spores somewhat larger.
492. E. rhodopolium Fries.
Agaricus rhodopolius Fries, Syst. Myc. I, p. 197.
Birch copse near Eyjólfstaðir.
Cap 3—5 cm broad, campanulate, margin thin and incurved, hygro-
phanous, greyish brown when moist (h 6), white when dry. Stipe 7—9 cm
high, 4—6 mm thick, cylindrical, hollow, somewhat cartilaginous, white.
Gills rather crowded, broad, adnate, emarginate, with a decurrent tooth,
at first white, then roseate. Spores incarnate, almost regularly pentagonal,
7—9 fi in diameter.