Summary:
{See also Dacrymyces Table.} Dacrymyces ovisporus is unique among dacrymycetaceous fungi in that its spores are broadly oval (rather than cylindric or allantoid) and muriform (with septa in more than one plane) (Bandoni 1963). Fruiting bodies are orange when fresh and convoluted with a small rooting base.
It is found in BC, (Bandoni), Germany and Sweden, (McNabb), Finland, Norway, and United Kingdom, (in Reid), and Estonia (Raitviir).
Fruiting body:
0.2-0.5cm in diameter, to 0.4cm high, pustulate, convoluted, firm-gelatinous, attached to substrate by small rooting base; orange when fresh, drying dark amber to dark brown, (McNabb), 0.2-0.5cm in diameter, firm-gelatinous; pale orange, drying dark brown and conspicuous, pustulate and convoluted; rooting in wood, (Kennedy), up to 0.4cm high, consisting of short, stout, pallid stem-like base up to 2cm high [sic], expanding above into an orange head up to 0.5cm wide, "which is thrown into gyrose lobes and folds, resembling in miniature the fruitbodies of Tremella mesenterica", (Reid), spore deposit white (Buczacki)
Microscopic:
spores (9.5)13-15 x 8-12 microns, nearly round to broadly oval, faintly tinted, apiculate, thin-walled with thin septa, (McNabb), spore initially becomes divided by a single transverse, longitudinal, or oblique septum, then two secondary septa form at right angles to the first, and finally some thin irregularly placed septa, (Bandoni), germination by colorless, spherical conidia, or by germ tubes; probasidia 57-80 x 4.5-6 microns, cylindric-subclavate, with basal clamp connections, becoming bifurcate; hymenium composed of basidia and dikaryophyses, the latter "simple, often thick-walled, irregularly shaped apically, frequently with clamp connections throughout their length"; internal hyphae "thin-walled, smooth, usually heavily gelatinised, clamp connections present", (McNabb), spores 16-17 x 9.75-11.75 microns, mostly oval but sometimes elliptic, (Reid)
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