Entoloma aff. moserianum Noordel.

 Pileus : 4-11 cm,  Stem : 5-16 x 0.8-2 cm 

 This is rather rare species in and around Kanto plains. 

@ Spore  7-9 x 6-8 micro meter
    Marginal cells of lamellae : cylindrical,   Septa with clamp connection