The Botany of Iceland - 01.12.1941, Page 23

STUDIES IN THE LARGER FUNGI OF ICELAND
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squamulose at the disc, fibrillose-rimose towards the edge, deep ochre in the middle,
paler yellowish in the outer half. Stipe 2—3 cm X 2—2.5 mm, base slightly swelled,
minutely velutino-pruinate and striolate, flushed with the colour of the cap.
Spores oval-ellipsoid, 8.5—9.5 X 5 /f. Cystidia on edge of gills ventricose bottle-
shaped, with a comparatively long neck, 70 X 15 JU ; paracystidia obovate clavate,
35 X 13—16 ju. Plate, fig. 27.
53. I. abjecta Karstens, Hattsvampar I, p. 456. Poul Larsen, Fungi of Ice-
land, p. 531, no. 514. J. E. Lange, Fl. Agar. Dan., vol. III, t. 111, f. B.
Egilstaðir, 18.VII.1935. In birch copses. Skútustaðir, 28.VII.1935. In lava fields.
Spores ovate, 7—8.5 X 4.5—5.5 JU. Plate, fig. 29.
54. *I. microspora Lange, Fl. Agar. Dan., vol. III, t. 113, f. C.
Egilstaðir, 18.VII.1935. In birch copse. Skútustaðir at Mývatn, 28.VII.1935.
In a lavafield. Laugarvatn, 5.VIII. 1935.
Cap c. 1.5 cm, somewhat conic, becoming convex, with a rather acute umbo,
light cigar-brown, minutely white tomentose-fibrillose and at last very slightly rimose
at the edge. Stipe 2—4 cm X 2 mm, pallid, then flushed with the colour of the
cap, base slightly clavate with white fibrillose coating. Gills almost free, tapering
towards the stipe, pallid, then dingy cinnamon, edge somewhat flocculose.
Spores obliquely ovate, 7—8 X 4.5—6 JU- Cystidia obtusely bottle-shaped, about
44 X 14 M, somewhat crested.
55. I. Iliaculata Boudier, Société botanique de France, 1885, p. 282. Poul Lar-
sen, Fungi of Iceland, p. 531, no. 515. J. E. Lange, Fl. Agar. Dan., vol. III,
t. 116, f. E.
Brekka, 21.VII.1935. Hallormstaður, 22.VII.1935. Egilstaðir, 19.VII.1935. Skútu-
staðir, 28.VII.1935. In birch copses and in outfields.
Spores ovate ellipsoid or reniform, 9—10 X 5.5—6.5 /J■ Plate, fig. 30.
56. I. fastigiata (Schaeffer) Fries, Epicr., p. 174. Schaeffer, Fungi Icon., t. 26.
Poul Larsen, Fungi of Iceland, p. 533, no. 519. J. E. Lange, Fl. Agar. Dan., vol. III,
t. 114, f. B.
Brekka, 21.VII.1935. Hallormstaður, 22.VII.1935. Skútustaðir, 28.VII.1935. In
lavafields, on mountain slopes.
Spores oval sub-phaseoliform, 11.-—12.5 X 6.5—7.5 /U- Plate, fig. 31.
57. I. calamistrata Fries, Syst. Myc. I, p. 256. Poul Larsen, Fungi of Iceland,
p. 533, no. 520. J. E. Lange, Fl. Agar. Dan., vol. III, t. 114, f. D. (f. gracilis).
Brekka, 21.VII.1935. Hallormstaður, 22.VII.1935. Egilstaðir, 19.VII.1935. Skútu-
staðir, 28.VII.1935.
Among grass in lavafields, outfields and meadows.
Spores broadly ovate or sub-phaseohform, 11—13 X 6.5—7.5 /t. Plate, fig. 32.
58. I. dulcamara, f. autumnalis (Albertini et Schweinitz) Fries, Hym. Eur.,
p. 228. Poul Larsen, Fungi of Iceland, p. 533, no. 521. J. E. Lange, Fl. Agar. Dan.,
vol. III, t. 114, f. C.
Egilstaðir, 19.VII.1935. Brekka, 21.VII.1935. Hallormstaður, 22.VII.1935.
Laugar at Breiðamýri, 27.VII.1937. Among grass and mosses in lavafields, outfields
and on mountain slopes.
Spores oval phaseoliform, 9—10 X 4—5 JU- Plate, fig. 33.