FUNGI OF ICELAND 541 
yellowish white, filled with a loose pith, then hollow. — Gills fairly 
crowded, emarginate, at first purple-violet, then cinnamon-coloured. — 
Both cap, stipe, and gills assume a purple-violet (n 3) tint when bruised. 
— Spores brown, roughly punctate, ellipsoidal, 10—12 X 6 u. 
546. C. (Phlegmacium) latus (Persoon) Quelet. 
Agaricus latus Persoon, Synops. meth. fung., p. 176. 
Eyjolfsstadir [P.L.]. — In birch copses. 
Cap 5—8 cm broad, campanulate, fleshy, firm, viscid, pale ochrace- 
ous or alutaceous, in the young, fresh state almost white. — Stipe 
short, c.5cm high, thick, especially below (c. 3 cm), stuffed, firm, 
white, veil well developed, white. — Gills crowded, adnate, white or 
greyish-white with a white margin. — Spores obliquely ellipsoidal, one 
end acuminate, brown, punctate, 13 X 6—6.5 u. 
547. C. (Myxacium) collinitus (Persoon) Fries, Epicr., p. 274. 
Agaricus collinitus Persoon, Synops. meth. fung., p. 281. 
Hallormstadir and Egilsstadir [P. L.]. 
Pileus 6—8 cm broad, campanulate, very slimy, shining when dry, 
yellow-orange (b 5), in the centre brown-orange (k 5). — Stipe cylindri- 
cal, stuffed, covered by a slimy violet velum, subsequently splitting up 
into ring-shaped areas, between which the cuticle is brown and floccose- 
squamulose, height 10—12 cm, thickness 12—16 mm. — Gills broad, emar- 
ginate, with a decurrent tooth, at first a brownish orange (k 5), then 
cinnamon-brown with a white margin. — Spores brown, verrucose, 
obliquely ellipsoidal, 13 X 6—7 u. 
Amanitopsis Roze. 
548. A. vaginata (Bulliard) Roze, var. fulva (Schaeffer). 
Agaricus fulvus Schaeffer, Fung. Ic., t. 95. 
Eyjolfsstadir (c. 4 km east of Vallanes near Lagarfljöt) [P. L.]. — In 
birch copses. 
Pileus 6—8 cm broad, campanulate, cuticle viscid and naked, orange- 
yellow (b5 to g 3), margin sulcate. — Stipe elongate-conical, 8-10 cm 
high, 1—1.5 cm thick, somewhat bulbous, hollow, white, floccose-squamu- 
lose, no ring, the lower third of the stipe covered by a loose sheath. 
— Gills white with a yellow tinge, free, edge covered by a mealy-floc- 
cose layer, consisting as well as the scales on the stipe of spherical 
cells. 20—40 u in diameter, as a rule prolonged into a short stalk-like apex. 
The collected specimens were sterile. 
Note. This species is also given in E. Rostrups »Islands Svampe«, 
collected by Helgi Jönsson at Stykkishölmur, but as there is no descrip- 
tion, it is not possible to see whether it is the same form of this poly- 
morphous species as the present. 
