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Page number:1040 
Remarks (internal):Entoloma xanthoserrulatum is another species in the serrulatum-group, with predominantly yellow colours. 
Description type:Original description 
Description:Entoloma xanthoserrulatum Noordel. & Vauras, sp. nov. (fig. 352)
Pileus 10-25 mm, convex to plano-convex with slightly depressed centre, with deflexed margin, not hygrophanous, slightly translucently striate, yellow, entirely minutely squamulose. Lamellae adnate-emarginate, ventricose, pink with blue, fimbriate edge. Stipe 20-40 x 1-3 mm, cylindrical, yellow, polished.
Spores 8.5-10.5 x 6.0-8.0 ?m, Q = 1.25-1.35-1.5, 5-6-angled in side-view, rather regularly, relatively thin-walled. Basidia 28-40 x 4.0-10 ?m, 4-spored, clampless. Lamella edge sterile, of serrulatum-type, with dense clusters of cylindrical cheilocystidia, 20-45 x 2.5-9 µm, thin-walled, with bluish pigment. Hymnophoral trama regular, made up of cylindrical elements. Pileipellis a trichoderm of very broadly clavate to vesiculose elements, 40-90 x 10-25 ?m, with brown, intracellular pigment. Stipitipellis a cutis of loosely arranged, cylindrical hyphae, 3.0-11 ?m wide, without caulocystidia. Clamp-connections absent.
Habitat and distribution: terrestrial in grassy spot in forest. So far only known from the type-locality in Finland.
 
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