Heptaster hughesii

Heptaster hughesii Cif., Bat. & Nascim., Publicações Inst. Micol. Recife 46: 3 (1956).

            Index Fungorum number: IF 298395; Facesoffungi number: FoF 12233, Fig. 1

Description:

Saprobic or parasitic on sooty molds. Sexual morph: Ascomata 165–215 µm diam., 120–170 µm high, superficial, solitary to gregarious, scattered, globose to subglobose, surrounded by brown mycelium at the base, collapsing, easily detached from the surface of the leaf. Hamathecium 2.7–4.5 µm of wide, hyaline, branched, aseptate cellular pseudoparaphyses, embedded in a gelatinous matrix. Asci 45–65 µm × 12–21 µm (x̅ = 55.1 × 18.1 µm, n = 10), 8-spored, bitunicate, fissitunicate, oblong to clavate, sessile or with knob-like pedicel, with a small ocular chamber. Ascospores 25–28 µm × 7.2–8 µm (x̅ = 27.2 × 7.6 µm, n = 10), 2-seriateor 2–3 over-lapping seriate, fusoid-ellipsoid, rounded and subacute at the ends, hyaline, becoming to pale brown at maturity, 1−6-septate, slightly constricted at the septum, minute verrucose. Asexual morph: Unknown.

Material examined: The United States, Florida, Hernando, Brooksville, sooty mold on Citrus (Rutaceae), February 1922, John A. Stevenson (FLAS-F-47494).