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Summary: Sacchariferae (Maas Geesteranus), Smith places in Subgenus Pseudomycena (characterized by bulb or disc at base) Section Tenerrimae (coarsely granular under hand lens due to warty round cells); Mycena adscendens characterized by small size, pale gray or gray brown cap that is whitish toward margin, short stem with cushion-like disc at base, cheilocystidia, and warty cells on cap that give it a sugary appearance under a hand lens; found at least WA to CA, "not uncommon along the Pacific Coast", also Europe including Denmark, (Smith), the Netherlands (Maas Geesteranus), and Switzerland (Breitenbach), voucher and photograph from BC by Oluna Ceska
Cap: up to 0.4cm across, spherical becoming hemispherical to bell-shaped, sometimes flattened on top; pale gray or gray brown at center, white to dingy white toward margin; slightly viscid (judging from adherent material), densely white-furfuraceous to granular-floccose, becoming somewhat bald with age, shallowly sulcate, translucent-striate, (Maas Geesteranus), 0.22-0.35cm across, obtuse or cucullate, soon convex with straight margin; "pallid gray with a whitish margin when young", soon white overall; sugary appearance under hand lens, sulcate-striate to disc, (Smith)
Flesh: thin, less than 0.05cm, (Maas Geesteranus), membranous, fragile, (Smith)
Gills: narrowly adnate, seceding but adhering to each other and becoming collar-like, ascending, moderately ventricose [broader in middle], up to 0.05cm broad, 7-12(14?) reaching stem; white; fringed, (Maas Geesteranus), free or attached to stem by a line, distant, broad, sometimes adhering to each other and forming a slight collar around stem; white, (Smith)
Stem: 0.5-1(1.8)cm x 0.01-0.04cm, widening toward base, fragile, hollow; white, becoming yellowish in lower part when old; shiny, minutely puberulous [finely downy] throughout or bald in upper part and hirsute [hairy] further down, finely striate, springing from densely hairy and cushion-like white disc, (Maas Geesteranus) 0.5-1.5(2)cm long, usually curved and thread-like; hyaline white; base enlarged with slight bulb that is globular at first but becomes flattened, setose under a lens at first but when old merely pruinose over all, including bulb
Odor: none (Maas Geesteranus)
Taste: mild (Buczacki)
Microscopic spores: spores 8.1-9.6 x 5.4-5.8 microns, pip-shaped, smooth, amyloid; basidia 2-spored (rarely 1-spored), 14-17 x 7-9 microns, clavate, obpyriform, with clamp connections; pleurocystidia none, cheilocystidia 13.5-36 x 4.5-10 microns, "either clavate or obpyriform to subglobose, or lageniform to fusiform with a slender neck" 1.8-2.7 microns wide, clamped, smooth to more or less covered with warts or cylindric excrescences up to 6.3 microns long, "intermediate forms of the two types being common and occurring in all shapes", (Maas Geesteranus), spores 8-10 x 5-6.5(7) microns, broadly elliptic, amyloid; basidia 2-spored; pleurocystidia "rare or absent, if present similar to the cheilocystidia"; cheilocystidia abundant, 28-44 x 8-12 microns, variable in shape, often fusoid-ventricose or with 2-3 needle-like projections arising from tip, the projections forked at times, the ventricose part covered with short rod-like protuberances or merely verrucose; cap trama made up of greatly enlarged cells, the surface covered with clavate to almost spherical cells 25-40 x 20 microns, with finely verrucose walls, (Smith)
singly or in twos or threes, on twigs or mossy trunks of hardwoods and more rarely conifers, (Maas Geesteranus for Europe), scattered to gregarious on twigs, bark, and debris of conifers and hardwoods, spring and fall, (Smith), fall to winter (Buczacki)
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2020-07-11 10:15:35 AM
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