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Foliicolous fungi of Silent ValleyHosagoudar & Rijuc15.5µmd6µmbbaadFigure 33. Meliola citricolaa - Appressoriate mycelium; b - Phialides; c - Apical portion of themycelial setae; d - AscosporesFigure 34. Meliola clausenaea - Appressoriate mycelium, b. Phialides; c - Apical portion of themycelial setae; d - Ascosporescopposite to irregular at wide to acute angles, closelyreticulate, cells 14–24x6–10 µm. Appressoria alternate,about 15% opposite, antrorse, spreading, straight tocurved, 18–24 µm long; stalk cells cylindrical to cuneate,6–10 µm long; head cells cylindrical, ovate, entire,straight to curved, 12–16x8–14 µm. Phialides mixed withappressoria, opposite to alternate, ampulliform, 16–22x6–8 µm. Mycelial setae scattered, straight, simple,obtuse to variously dentate at the tip, up to 576µmlong. Perithecia scattered, verrucose, up to 225µm indiam.; ascospores ellipsoidal, 4-septate, constricted,32–42x14–20 µm.Material examined: 23.vii.2009 on leaves of Citrus sp.(Rutaceae), Silent Valley, Jayakumar et al. HCIO 50054,TBGT 4206.Meliola clausenae Hosagoudar in Hosagoudar& Goos, Mycotaxon 37: 226, 1990; 42: 133, 1991;Hosagoudar, Meliolales of India, p. 168, 1996 (Fig. 34).Colonies epiphyllous, thin, up to 2mm in diameter.Hyphae straight to slightly undulate, branching oppositeat wide angles, loosely reticulate, cells 10–16x6–8µm.Appressoria alternate, 20% opposite, straight to curved,subantrorse to antrorse, 16–24 µm long; stalk cellscylindrical to cuneate, 6–8 µm long; head cells cylindrical,ovate, entire, 10–16x8–10 µm. Phialides mixed withappressoria, opposite to alternate, ampulliform, 12–20x6–8 µm. Mycelial setae scattered, straight, simple,acute to 2–3 dentate, up to 747µm long. Peritheciascattered, verrucose, up to 180µm in diam.; ascosporesobovoidal, 4-septate, constricted, 36–42x14–16 µm.Material examined: 1.viii.2008 on leaves of Clausenasp. (Rutaceae), Poochipara, M.C. Riju HCIO 50597, TBGT4514.Meliola clausenigena Hosagoudar & Riju, J.Threatened Taxa 3(3): 1617, 2011 (Fig. 35).Colonies amphigenous, dense, velvety, up to 3mm indiam., scattered to confluent. Hyphae straight, flexuous,branching opposite at wide angles, loosely to closelyreticulate, cells 15–30 x 5–8 μm. Appressoria mostlyopposite, rarely unilateral, antrorse to subantrorse,17–23 μm long; stalk cells cylindrical to cuneate, 5–8 μmlong; head cells ovate, oblong, rarely globose, straightto curved, entire, often sinuate, truncate at the apex,12–15 x 7–10 μm. Phialides mixed with appressoria,opposite, alternate to unilateral, 15–20 x 7–10 μm.Mycelial setae simple, straight to uncinate at the apicalportion, acute, obtuse to 2–3-times dentate at the tip,up to 240μm long. Perithecia scattered to grouped in thecolonies, up to 190μm in diam.; ascospores oblong tocylindrical, 4-septate, constricted at the septum, 37–40x 15–20 μm.Material examined: 1.viii.2008, on leaves of Clausenasp. (Rutaceae), Poochipara, M.C. Riju et al. TBGT 4514(holotype), HCIO 50597 (isotype).Meliola clerodendricola Henn., Hedwigia 37: 288,1895; Hansf. Sydowia Beih. 2: 694,1961; Hosagoudar &Goos, Mycotaxon 37: 226, 1990; Hosagoudar, Kaveriappa,Raghu & Goos, Mycotaxon 51: 111, 1994; Hosagoudar,Meliolales of India, p. 169, 1996.Meliola sakawensis Henn. var. longispora Beeli, Bull.Jard. Bot. Etat. 7: 98, 1920.3726Journal of Threatened Taxa | www.threatenedtaxa.org | 05 March 2013 | 5(3): 3701–3788