The Botany of Iceland - 01.12.1941, Page 34

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M. P. CHRISTIANSEN
Spores oval-subspheric, with coarse and minute ridges, subreticulate, 11—12 X
9— 10 JU. Fig. 1 d.
117. L. uvidus Fries, var. farinipes Poul Larsen, Fungi of Iceland, p. 552,
no. 587.
Korpúlfsstaðir near Reykjavík, 7.VIII.1935. Among grass in outfields.
Spores oval, subreticulate, 11 /l 9 X. Fig. 1 e.
118. *L. brunneo-violaceus n. sp.
Skútustaðir and Garður near Mývatn, 30.VII.1935. Among grass in a home-
field and abundant in a moist meadow and bog.
Cap 3—5 cm broad, plano-convex with a central papilla, centre somewhat
depressed, slightly viscid, when dry reddish to brownish violet (o 2—o3—j 3).
Stipe 3—4 cm high, c. 1 cm thick, cylindrical, coloured like the cap (o 3—06).
Gills yellowish. Milk watery, mild. Flesh coloured like the cap.
Spores white, oval, 10—12 X 7.2—7.6 J( subreticulate. Fig. 1 f.
Pileo carnoso, 3—5 cm lato, plano-convexo centroque subdepresso, subpapillato
:glabro, brunnescenti-violaceo, subviscido vel sicco; stipite æquali, glabro, 3—4 cm
X c. 1 cm, concolori; lamellis albis vel luteis, lacte aquato, sapore dulci. Sporæ
10— 12 X 7.2—7.6 JU-
119. *L. lacunarum (Romagn.) J. E. Lange n. comb. (L. decipiens Quél. var.
lacunarum Romagn.). J. E. Lange, Fl. Agar. Dan., vol. V, t. 174, f. E.
Blönduós 1937. Laugarvatn, 17.VII.1937. Lón, 26.VII.1935. Hafnarfjörður,
8.VII.1935. Reykjavík, 6.VII.1935. Among grass in a moist meadow.
Cap 2—3 broad, plane, hygrophanous, when moist redbrown (g8), when dry
paler (06). Stipe 2—3 cm high, c. 0.6 mm thick, coloured like the cap. Gills
pallid. Milk white. Taste mild.
Spores oval-subspheric, subreticulate, c. 8—9 X 7 JU. Fig. 1 g.
120. L. torminosus (Schaeffer) Fries, Epicr., p. 334. Poul Larsen, Fungi of
Iceland, p. 552, no. 588. J. E. Lange, Fl. Agar. Dan., vol. V, t. 169, f. A.
Skútustaðir, 31.VII.1935. Laugarvatn, 5.VIII.1935. Among grass in birch copses
and in outfields.
Spores oval, finely and densely reticulate-echinulate, 7—8 X 5—6 //. Fig. 1 h.
Russula Fries.
121. R. graminicolor (Secretan) Quélet. Agaricus graminicolor Secretan, Myco-
graphie Suisse I, no. 518. J. E. Lange, Agar. Dan., vol. V, t. 188, f. C. R. aeruginea.
Vaglaskógur in Fnjóskadalur, 31.VII.1935. Laugarvatn, 5.VIII.1935. In birch
copses.
122. R. ochracea (Albertini et Schweinitz) Fries, Epicr. I, p. 362. Poul Larsen,
Fungi of Iceland, p. 554, no. 594.
Lón, 26.VII.1935. On heath. Laugarvatn, 5.VIII.1935. In birch copses. Vest-
mannaeyjar, 9.VIII.1935. Among grass and mosses on a mountain slope.
Spores yellow, subspherical, finely and densely reticulate-echinulate, 7.5—8 X
6.5 /t. Fig. 1 i.
123. *R. foetens (Persoon) Fries, Epicr. p. 359.
•Cooke, 111., no. 1015, t. 1046. J. E. Lange, Fl. Agar. Dan., vol. V, t. 185, f. C.