The Botany of Iceland - 01.12.1941, Page 32

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M. P. CHRISTIANSEN
107. P. physaloides (Bulliard) Fries, Hym. Eur., p. 300. Poul Larsen, Fungi
of Iceland, p. 548, no. 574. J. E. Lange, Fl. Agar. Dan., vol. IV, t. 149, f. D.
Brekka, 20.VII.1935. Akureyri, 2.VIII.1935. Tálknafjörður, 11.VII.1935. On
horsedung.
108. P. bullacea (Bulliard) Fries, Syst. Myc. I, p. 297. Poul Larsen, Fungi
of Iceland, p. 549, no. 575. J. E. Lange, Fl. Agar. Dan., vol. IV, t. 149, f. F.
Stykkishólmur, 9.VII.1935. On horsedung.
109. *P. coprophila Bulliard, t. 566, f. 3 (Agar.) Fries, Syst. Myc. I, p. 297.
J. E. Lange, Fl. Agar. Dan., vol. IV, t. 143, f. E.
Brekka, 20.VII.1935. On cow- and horsedung.
Cap 1—2)4 cm broad, at first semiglobate, then convex-flat with incurved
margin, without striation, viscid, ochry-yellow to paler or brighter tan, edge very
sparingly set with white flocci. Stipe 3—4 cm X 1—2 mm, slightly dilated at base,
dusky brownish, pallid above, flocculose-fibrillose. Gills broadly adnate with a decur-
rent tooth, pale, becoming purplish fuscous-bistre.
Spores ellipsoid-sublimoniform, 14.5—17 X 7—9 jU, minutely-guttulate, germ
pore very distinct. Plate, fig. 71.
Psathyra Fries.
110. P. bifrons (Berkeley) Fries, Monographia Hym. II, p. 347. Poul Larsen,
Fungi of Iceland, p. 550, no. 580.
Slúttnes in Mývatn, 31.VII.1935. Under willows on boggy soil.
111. *P. coprobia J. E. Lange (?), Dansk bot. Arkiv, vol. 9, no. 1, p. 7.
Fl. Agar. Dan., vol. IV, t. 152, f. F.
Reykjavík, 6.VII.1935. Among grass in a meadow.
112. P. spadiceo-grisea (Schaeffer) Fries, Hym. Eur., p. 306. Poul Larsen,
Fungi of Iceland, p. 550, no. 578.
Hallormstaður, 22.VII.1935. Vaglaskógur in Fnjóskadalur, 31.VII.1935. In birch
copses.
Spores oval, germ pore distinct, 9—11 X 5—6 JU. Plate, fig. 72.
Lactariaceae.
Lactarius Fries.
113. L. glyciosmus Fries, Epicr., p. 348. J. E. Lange, Fl. Agar. Dan., vol. V,
t. 171, f. A. Poul Larsen, Fungi of Iceland, p. 551, no. 584.
Slúttnes in Mývatn, 31.VII.1935. Under willow. Laugarvatn, 5.VIII.1935. In
birch copses.
Spores oval subspheric, c. 7 X 5—6 /J, echinulate-verrucose, subreticúlate.
Fig. 1 a.
114. *L. spinosulus Quélet. Kallenback, Die Pilze Mitteleuropas, Tab. 2.
Laugarvatn, 5.VIII.1935. In birch copses.
Cap 4—6 cm broad, slightly depressed, without central papilla, fleshcoloured-
pink (dry il—08—j 2), everywhere—but especially near the edge—minutely