The Botany of Iceland - 01.12.1941, Qupperneq 37

STUDIES IN THE LARGER FUNGI OF ICELAND
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133. C. ephemeroides (Bulliard) Fries, Epicr., p .250. J. E. Lange, Fl. Agar.
Dan., vol. IV, t. 159, f. H.
Skútustaðir, 29.VII.1935. Numerous on dung. Tálknafjörður, 11.VII.1935. On
dung.
Cap in bud covered all over by a mealy-granular, brownish coating, when expand-
ing flat and radiately striate-plicate, skinlike, c. 1 cm broad, disc slightly depressed.
Stipe thin, hyaline with a thin, skinlike, free ring whose edge is raised. Gills free.
Spores ovate-subrotund, subtriangular somewhat flattened, germ pore distinct,
c. 9.6 X 6.4 A. Plate, fig. 76.
134. *C. niveus (Persoon) Fries, Epicr., p. 246. J. E. Lange, Fl. Agar. Dan.,
vol. IV, t. 159, f. I.
Brekka, 21.VII.1935. Akureyri, 2.VIII.1935. Numerous on horsedung.
Cap at first oval-ellipsoid, covered with a thick, white, mealy coating, then
expanding, 1 /i—3 cm broad, membranaceous. Stipe 4—8 cm high, somewhat dilated
below, hollow, white mealy flocci all over. Gills at first crowded, almost free, white,
then purplish-brown, at last black.
Spores black, lemon-shaped-subrotund, slightly flattened, about 11.6—16 X
9.5—14 H (short diameter 8—10 //).
135. C. ephemerus (Bulliard) Fries, Epicr., p. 252. Poul Larsen, Fungi of
Iceland, p. 555, no. 600. J. E. Lange, Fl. Agar. Dan., vol. IV, t. 160, f. H.
Brekka, 21.VII.1935. On horsedung.
136. *C. plicatilis (Curt.) Fries, Epicr., p. 252. J. E. Lange, Fl. Agar. Dan.,
vol. IV, t. 160, f. A.
Slúttnes in Mývatn, 31.VII. 1935. Under willows.
Cap at first ovate, then conic-campanulate, at last expanding, 1 /i—3 cm broad,
membranaceous, radiately fisso-sulcate, pale greyish, disc somewhat depressed and
brownish with a yellow tinge. Stipe 3—5 cm high, thin, hollow, base clavate, whitish,
tawny below. Gills thin, distant, at last forming a short “tube” around the stipe.
Spores black, subrotund-lemonshaped, somewhat flattened, c. 9.6 X 8 /í (short
diameter about 6/a JU). Plate, fig. 74.
137. *C. miser Karsten, Symb. Fenn. X, p. 61. Ic. f. 29. J. E. Lange, Fl. Agar.
Dan., vol. IV, A. 157, f. B.
Akureyri, 2.VIII.1935. On cowdung.
Cap at first campanulate, bright coloured, orange or tile-red, especially towards
the apex, then expanded, nearly 1 cm broad, radiately striate-sulcate, smooth, grey
with a red disc. Stipe 2 cm high, very thin, hyaline with a brownish base.
Spores subrotund-triangular, somewhat flattened, c. 9.6 X 9 M (short diameter
c. 6 //). Plate, fig. 78.
138. *C. sp. ( — ? C. tomentosus (Bulliard) Fries, Epicr., p. 246).
Stykkishólmur, 9.VII.1935. On dung.
Cap c. 1 cm high, c. /i cm broad, greyish-lilac (near c. 4), covered with greyish
meal.
Spores brown, almond-shaped, often curved, 7.2—8 X 4 //. Plate, fig. 77.