ADDITIONAL SPECIMENS EXAMINED. NEW ZEALAND. NORTH ISLAND: Auckland City, University grounds, on Hoheria populnea A. Cunn., Aug 1948, D. W. McKenzie (PDD 21880); Mairangi Bay, on Hoheria populnea, Mar 1969, W. Barnard (PDD 26509); Waitemata City, Waitakere Ranges, Waiatarua, on Hoheria populnea, May 1968, J. M. Dingley (PDD 21878); Hamilton, Ruakura, on Hoheria populnea, Aug 1926, A. W. Green (holotype of Myxosporium hoheriae, PDD 1236). SOUTH ISLAND: Canterbury, Bealey R., on Hoheria lyallii Hook.f., Dec 1921, E. H. Atkinson (PDD 1235).

Stromata 5 mm diam., 0.5-1 mm high, brick-colored, surface cracking and appearing tuberculate, cells pseudoparenchymatous, 10-15 x 5-10 µm, walls pigmented, but not thickened. Perithecia completely immersed with ostiola appearing as punctae on stromal surface, oval or obpyriform, 200-250 µm wide x 300-350 µm high, wall 45 µm thick, composed of compressed hyphae, darker red than the surrounding stromal tissue, cells lining the perithecial locule with thinner, nonpigmented or lightly pigmented walls. Perithecial apex papillate, ostiolar canal periphysate. Asci clavate, 40-95 x 8-14 µm, apex simple; 4-8-spored, ascospores obliquely uniseriate, completely filling each ascus. Ascospores ellipsoidal, pyriform, sometimes allantoid, 22-36 x 7-12 µm, equally 2-celled, constricted or not at the septum, punctate, hyaline.

HABITAT. Forming cankers on small trees (Hoheria, Plagianthus).

HOLOTYPE. New Zealand. South Island: Banks Peninsula, on Plagianthus regius (Poit.) Hochr., 7 Apr 1958, J. M. Dingley (PDD 21879).