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All Fungi
Microglossum atropurpureum
Nomenclature
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Family: LeotiaceaeGenus: Microglossum
SUMMARY
Anamorph: unknown.
Teleomorph: ascomata 30-50 (-65) mm high and 5-8 (-15) mm diam., often in clusters, irregularly cylindric-clavate, dark purplish brown to dark brown when dry, glossy black to purplish black when wet, with a broad distinct minutely furfuraceous stalk that may be rather short ranging up to two to three times the length of the hymenium. Interascal tissue of unbranched paraphyses 2.5-3.5 µm diam., slightly longer than the asci, thin-walled, hyaline to pale brown, the apical part often somewhat inflated and covered in amorphous purplish brown to brownish matter that agglutinates to form an epithecium. Asci 90–130 x 13–15 µm, narrowly clavate with a fairly long tapering stalk, thin-walled, not fissitunicate, the apex obtuse with a distinct J+ ring, usually 8-spored. Ascospores arranged in an irregular fascicle, 18–32 x 3–4.5 µm, ± cylindrical, with rounded ends and sometimes very slightly tapering towards the base, hyaline, thin-walled, smooth, long remaining aseptate but sometimes 3- to 6-septate when mature (i.e. released from the ascus), without an epispore, gelatinous sheath or appendages.