Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 70. (Budapest 1978)

Bohus, G.: Hebeloma studies, II. (Basidiomycetes, Cortinariaceae)

Polytomic key of psammocol Hebeloma species Name of species Sectio Hebeloma Sectio Denudata Name of species dunense psammocolum versipelle xerophilum ammophilum hiemale ochroalbiilum Special character Pileus purple to ochraceous reddish Stipe with ± large sandbulb First subterranean. Pileus completely covered with sand Pileus whitish or pallid Time of fructification April, May Autumn From April to November Summer Autumn From spring to autumn Summer, autumn Habitat In barren sand In barren sand Especially under Populus Under Salix In barren sand Under trees Under Populus Diam. of pileus (cm) 1—3 3—6.5 2.5—6 —2.5 2—6 1—4 5.5—10 Length of stipe (cm) 1.5—3 5—8 3—8 4—5 3—6 2—4 4—8 Width of stipe (cm) 0.3—0.6 0.7—1.2 0.3—1.3 0.8 0.5—1 0.4—0.7 1—2 Colour of flesh at base of stipe ± brown ± brown Whitish Whitish White, whitish Smell Weak Mostly none None Weak Weak Mostly none Shape of spores Ellipsoid Mostly ellipsoid Ellipsoid Amygdaliform Amydgaliform Amygdaliform Measure of spores (u.m) 10— 12.5X 6—7.5 10— 12.5X 6—6.8 10-13x5—7 6—9x3—6 13—

16X 7—8.5 12—

13.5X 6—6.5 10.5—

12.5X 5.5—7 Shape of cheilocystidia Cylindrical Cylindrical Ventricose Clavate Clavate Cylindrical to vesiculose Cylindrical to clavate