The Botany of Iceland - 01.12.1941, Side 24

The Botany of Iceland - 01.12.1941, Side 24
208 M. P. CHRISTIANSEN 59. I. conica Poul Larsen, Fungi of Iceland, p. 534, no. 523. Brekka, 21.VII.1935. Among grass in outfields. Spores ellipsoidal or oval, 9—10 X 5—6.5 /í. Plate, fig. 34. 60. *I. squamata Lange, Fl. Agar. Dan., vol. III, t. 115, f. D. Skútustaðir at Mývatn, 28.VII.1935. In a lavafield. Cap 3—7 cm, campanulate-c.onical, somewhat umbonate when expanding, fibril- lose and at last somewhat rimose, fulvous ochre or subferruginous, the cuticle of the central part of a deeper colour than the rest and breaking up into adpressed scales. Stipe cylindric, 3—7 cm X 5—10 mm, fibrillose-striate, pale, gradually be- coming flushed with yellowish brown. Spores obliquely ovate subphaseoliform, 9—10 X 5—6.4 //. Cystidia somewhat inflated club-shaped. 61. *I. trechispora Berk., Outl., p. 156, t. 8, f. 6. J. E. Lange, Fl. Agar. Dan., vol. III, t. 118, f. B. (Bresadola’s I. trechispora does not belong to this group). Egilstaðir, 18.VII.1935. In a birch copse. Cap 1.3—2.5 cm, conic convex, then expanded and umbonate, ivory-white, be- coming straw-yellowish or very pale ochre, silky, then fibrillose and subrimose. Stipe thin, often somewhat wavy, 3—4 cm X 2—3 mm, white, at last slightly yellowish, minutely powdered, base slightly incrassate or somewhat bulbous. Spores wavy nodulose, 8.5—9 X 5—6 //, outline with 5—6 somewhat prominent, obtuse nodules. Cystidia fusoid, 40—55 X 9—12 //, crested. Plate, fig. 35. 62. I. decipiens Bresadola, Fungi tridentini II, p. 13, t. 118. Poul Larsen, Fungi of Iceland, p. 535, no. 527. Skútustaðir, 27.VII.1935. Garður, 30.VII.1935. Egilstaðir, 18.VII.1935. Among grass in lavafields, in meadows and birch copses. Spores oblong, tapering towards one end, flexuose-angular, 11—13 X 6.5—-7.5 //. Plate, fig. 36. 63. I. decipiens, var. Garður, 30.VII.1935. In a meadow. Cap darker brown (h 1—h 2) with fibrillose-squamulose top. Spores flexuose-angular, 11—12 X 6.5—7.5 /I. Cystidia fusoid, 50 X 12—15 JU, crested. Plate, fig. 39. 64. *I. asterospora Quelét, in Bull. Soc. Bot. Fr., XXVI, p. 50. J. E. Lange, Fl. Agar. Dan., vol. III, t. 117, f. G. Laugarvatn, 5.VIII.1935. In birch copses. Cap 3^2—5 cm broad, expanded, obtusely umbonate, bay-brown or chestnut, distinctly rimose % in (subcuticular tissue white). Stipe 5—6 cm X 5—7 mm, with a distinctly marginate basal bulb, minutely striate and velvety-pruinate, whitish, be- coming more or less tinged with the colour of the cap, from base up. Gills pallid when young. Spores stellate, 9—12 X 7.5—9 //, outline with 5—8 very prominent, obtusely conical projections. Plate, fig. 38. Cortinarius Fries. 65. *C. (Hydrocybe) saturninus Fries, Epicr., p. 306. J. E. Lange, Fl. Agar. Dan., vol. III, t. 102, f. E.

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