PDF - Journal of Threatened Taxa

Foliicolous fungi of Silent Valleywall smooth. Pycnothyria scattered, orbicular, center,margin crenate; Pycnothyriospores unicellular, globoseto ellipsoidal, brown, 9–15x6–9.5 µm.Material examined: 13.xii.2003 on leaves ofLepianthes umbellata (L.) Raf. (Menispermaceae),Sairandhri, V.B. Hosagoudar et al. HCIO 45804; HCIO45698, TBGT 1445; 12.xii.2004, V.B. Hosagoudar et al.HCIO 46089, TBGT 1852.Asterina melicopecola Hosag. & Abraham, IndianPhytopath. 50: 216, 1997; Hosag., C.K. Biju & Abraham, J.Econ. Taxon. Bot. 25: 305, 2001; Hosagoudar, Zoos’ PrintJ. 18: 1284, 2003; 21: 2328, 2006; Hosagoudar, H. Biju &Appaiah, J. Mycopathol. Res. 44: 9, 2006 (Fig. 89).Colonies amphigenous, mostly epiphyllous, dense,up to 1mm in diameter, confluent. Hyphae straight,branching opposite at acute angles, loosely reticulate,cells 19–24x3.5–5 µm. Appressoria opposite, about20% alternate, unicellular, ovate, globose, clavate,pyriform, irregularly sublobate to lobate, 9–12.5x6–7.5Hosagoudar & Rijuµm. Thyriothecia orbicular, loosely grouped in thecenter of the colony, scattered to connate, up to 150µmin diameter, stellately dehisce at the center, splitting upto margin, crenate to fimbriate, fringed hyphae small,profusely branched; asci globose, rounded, octosporous,up to 42µm in diameter; ascospores conglobate, brown,1-septumte, deeply constricted at the septum, upper cellglobose, lower cell slightly ovate, 31–34x12–13.5 µm.Material examined: 27.iv.2007 on leaves ofEuodialuna ankenda (Gaertner) Merr. (Rutaceae), SilentValley, M. Harish et al. HCIO 49760, TBGT 3912.Asterina memecylonis Ryan, Mem. Dept. Agric. India15: 105, 1921; Hosagoudar, Zoos’ Print J. 19: 1386, 2004;Hosagoudar, H. Biju & Appaiah, J. Mycopathol. Res.43:204, 2005; Hosagoudar, Zoos’ Print J. 21: 2328, 2006(Fig. 90).Colonies amphigenous, subdense to dense, upto 2mm in diameter, confluent. Hyphae straight,branching alternate, opposite to irregular at acuteangles, loosely to closely reticulate, cells 28–32x4–7µm. Appressoria scattered, alternate, unicellular, broadaba7µmb22µm10µm5µmc11µm8µmdc8µmd7µmdFigure 90. Asterina memecylonisa - Appressoriate mycelium; b - Thyriothecium; c - Ascus;d - AscosporesFigure 91. Asterina myristicacearuma - Appressoriate mycelium; b - Thyriothecium; c - Ascus;d - Ascospores3754Journal of Threatened Taxa | www.threatenedtaxa.org | 05 March 2013 | 5(3): 3701–3788