Agree with C.G. that this is M. interrupta

[Notes from Kew Type specimen, PRJ 2010] Other collections at K Stevenson GS 1362

Pileus 5-12 mm diam., prussian blue fading to yellowish-green, darker at centre, striate at margin, convex with slight central depression, translucent, very viscid; flesh thin, bluish-green. Gills free, moderately crowded, shallow, creamy to pale bluish-green, margins white at first becoming dark bluish-green, minutely fringed. Stipe 15-25 x 1-2 mm, pale bluish-green, to pale ochraceous, smooth and slightly viscid, translucent, bluish-green basal disc. Spores 9-11 x 6-7 µm, amyloid, thin-walled (Fig. 42); print white. Hymenophoral trama strongly pseudo-amyloid. Cheilocystidia are balloon-cells which may become filled with pigment, or which may be collapsed and somewhat gelatinized.

On fallen rotting logs, Kapakapanui, 23.11.1946, A. P. Druce; Waiopehu, 23.11.1946, E. Cone; Keith George Park, 30.5.19491 Stevenson (type); Otari, 7.6.1958, Stevenson.

Pileus 5-12 mm diam., caeruleus prussicus, in luteo-viridem pallescens, medio fusciore, margine striato, convexus cum depressione levi centrali, translucens, valde viscidus; caro tenuis, caeruleo-viridis. Lamellae liberae, modice confertae, baud altae, cremeae usque pallide caeruleo-virides, marginibus primum albis deinde fusco-caeruleo-viridibus minute fimbriatis. Stipes 15-25 x 1-2 mm, pallide caeruleo-viridis usque pallide ochraceus, laevis, leviter viscidus, translucens, disco basali caeruleo-viridi. Sporae 9-11 x 6-7 µm, amyloideae, parietibus tenuibus, in cumulo albae. Trama hymenophoralis valde pseudo-amyloidea. Cheilocystidia (cellulae vesiculosae) vel pigmento repleta vel collapsa et subgelatinosa.

Typus: Stevenson 600.