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All Fungi
Glonium
Nomenclature
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Order: MytilinidialesFamily: Gloniaceae
SUMMARY
Description contributed by Graham Kinsey, CABI.
Anamorph: unknown.
Teleomorph: Ascostromata hysterothecial, elongate, narrowly elliptical to fusiform and ± straight from above, with a longitudinal slit, black, smooth, superficial or semi-immersed, gregarious to crowded, aligned parallel to the longitudinal axis of the substrate. Subiculum absent or effuse, inconspicuous and composed of adpressed, branching, septate, smooth, brown-walled hyphae, giving the substrate a blackened appearance. Peridium with side walls composed of very dark, near opaque, thick-walled brown-black cells, basal region similar or composed of polygonal brown-walled cells, with a layer of thin-walled hyaline or yellow-brown cells forming the cavity floor. Interascal tissue of paraphysoids, filiform, with rounded ends, hyaline, smooth, sparsely septate, branched, exceeding the asci, apically encrusted and plugging the ascomatal slit when dry. Asci cylindrical-clavate, short-stalked, thick-walled, with two discernable layers, J-, 8-spored, arising in parallel from the floor of the cavity. Ascospores narrowly ellipsoidal to ovoid, hyaline, smooth, thick-walled, 1-septate, constricted at the septum, often one cell more rounded than the other.