526 POUL LARSEN 
Leplonia Fries. 
493. L. lampropus Fries. 
Agaricus lampropus Fries, Syst. Myc. I, p. 203. 
Vallanes near Lagarfljöt [P. L.]. — On sandy grass-covered spots. 
Cap 2—3 cm broad, convex or plano-convex, not hygrophanous, 
margin involute, brown with a bluish tinge (f 3). Stipe cartilaginous, 
hollow, glabrous, bluish violet (a 2, but more blue). Gills at first greyish 
white, then greyish red,‘ broad, but loosely attached to the stipe. Spores 
angular, incarnate, 10—12X8—9 u. 
494. L. serrulata (Persoon) Fries, Hym. Eur., p. 203. 
Agaricus serrulatus Persoon, Synops. meth. fung. I, p. 463. 
Egilsstadir [P. L.). — In grass-covered, knolly outfields. 
Cap from barely 1 to 4cm broad, plano-convex, with incurved and 
involute margin, later expanded, throughout the development with umbili- 
cate centre, surface shortly adpressed-pubescent, shining, from a deep 
black-violet (Somewhat darker than a 1) to brown-violet (o 2); the flesh 
below the cuticle is a pale bluish red. Stipe cylindrical, as much as 4 cm 
high, 2—3 mm thick, blackish blue at top, paler below, base covered 
with white hairs. Gills emarginate, pale violet at first (o 4), later incar- 
nate, edge of gills coarsely dentate and black. Spores oblong, obtusely 
pentagonal, elongated to an oblique apiculus, incarnate, 10—11*7—8 u. 
No cystidia, the blackish blue colour of the edge of the gills being 
due to the coloured contents of the hyphæ. 
495. L. sericella (Fries) Quélet. 
Agaricus sericellus Fries, Syst. Myc. I, p. 196. 
Vallanes, Egilsstadir [P. L.. — On knolls in outfields and at 
roadsides. 
Cap 1—4 cm broad, at first convex, with incurved margin, white 
with a yellowish centre, with a silky, mealy-fibrous coating, then some- 
what orange-coloured (16), finely squamulose and depressed at centre. 
Stipe cylindrical, up to 3mm thick, pellucid, hollow, white at first, 
then yellowish. Gills distant, adnate and slightly decurrent, white, then 
pink to incarnate. Spores incarnate, angular, almost isodiametrical, 8—10 
7 BSH. 
Nolanea Fries. 
496. N. juncea Fries. 
Agaricus junceus Fries, Syst. Myc. I, p. 208. 
Brekka near Lagarfljöt and at Hallormstadir [P. L.]. — In wet bogs 
among mosses. 
Cap 1.5—2.5 cm broad, flatly conical, with obtuse or depressed disc, 
hygrophanous, pellucidly striate, surface rough, minutely pitted and 
slightly squamulose, dark brown when moist (f 3), grey when dry (i 3). 
