FUNGI OF ICELAND 525 
Hrafnagjä near Pingvallavatn [P.L.). — On rotten branches of Be- 
tula pubescens. 
Cap 4-5 mm broad, resupinate, crateriform pellicle gelatinous, 
greyish brown and mealy. There is no stipe, the fungus being attached 
by an excentric area of the surface of the cap. Gills distant, white or 
greyish while, anastomosing in an excentrically placed point. Spores 
white, smooth, broadly ellipsoidal, 5—6X4 u. 
Russuliopsis Schroeter. 
490. R. laccata (Scopoli) Schroeter, var. rosella (Batsch) f. pusilla. 
Agaricus laccatus Scopoli; Flora carniolica, p. 444. 
Lagarfljöt, Laxärdalur, Ljésavatnsskard, littoral field near Akureyri, 
Isafjöröur, meadows near Pverä (Norötünga), Laugarnes near Reykjavik 
[P. L.], 
Cap 1—2 cm broad, flesh thin, smooth, palely or darkly incarnate 
(n 6 to n 7), margin skin-like, undulate-sulcate, centre somewhat depressed. 
Stipe short and thin, concolorous. Gills distant, rather thick, adnato- 
decurrent, coloured like the cap. Spores white, verrucose, spherical, 
8—9 u in diameter. i 
Entoloma Fries. 
491. E. sericeum (Bulliard) Fries, Hym. Eur., p. 196. 
Agaricus sericeus Bulliard, t. 413, f. 2. 
Hallormstadir [P.L.. — On grass-covered spots in and around the 
birch copses. 
Cap 3—5 cm broad, campanulate with broadly incurved margin and 
often with irregular depressions in various parts of the surface, hygro- 
phanous, pellucidly striate, dark brown in various shades ranging about 
c 3, grey when dry, with a silky lustre. The flesh has the flavour and 
smell of flour. Stipe 3—5 cm high, 4—7 mm thick, cylindrical, stuffed, 
flesh stringy, often twisted. Gills grey, then red, sometimes broadly ad- 
nate, sometimes deeply emarginate, edge of gills often undulate. Spores 
incarnate, almost regularly pentagonal, now and then with an elongated 
apiculus, $—9X7—8 u, a few spores somewhat larger. 
492. E. rhodopolium Fries. 
Agaricus rhodopolius Fries, Syst. Myc. I, p. 197. 
Birch copse near Eyjölfstadir. 
Cap 3—5 cm broad, campanulate, margin thin and incurved, hygro- 
phanous, greyish brown when moist (h 6), white when dry. Stipe 7—9 cm 
high, 4—6 mm thick, cylindrical, hollow, somewhat cartilaginous, white. 
Gills rather crowded, broad, adnate, emarginate, with a decurrent tooth, 
at first white, then roseate. Spores incarnate, almost regularly pentagonal, 
7—9 u in diameter. 
