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Foliicolous fungi of Silent ValleyHosagoudar & Rijua7.5µmdba8µmcdbFigure 54. Meliola lepianthedisa - Appressoriate mycelium; b. Phialides; c - Apical portion of themycelial setae; d - AscosporesSairandhri, V.B. Hosagoudar et al. HCIO 45804; HCIO45698, TBGT 1445.Meliola litseae Syd. & P. Syd. var. rotundipodaHansf., Reinwardtia 3: 88, 1954; Sydowia Bieh. 2: 57,1961; Hosagoudar & Goos, Mycotaxon 37: 239, 1990;Hosagoudar, Meliolales of India, p. 241, 1996.Meliola litseae Graff, Mem. Torry Bot. Club 17: 61,1918 (non Sydow & Sydow, 1917) (Fig. 55).Colonies epiphyllous, dense, velvety, up to 4mmdiameter, confluent. Hyphae straight to undulate,branching opposite at wide angles, loosely reticulate,cells 14–20x6–8 µm. Appressoria alternate, straightto curved, antrorse, rarely spreading, 24–26 µm long;stalk cells cylindrical to cuneate, 4–8 µm long; head cellsversiform, obovate, rarely truncate, entire, 16–20x8–10 µm. Phialides mixed with appressoria, opposite toalternate, ampulliform, 20–24x10–12 µm. Mycelial setaefew, straight, simple, acute at the tip, up to 612µm long.Perithecia scattered, verrucose, up to 200µm in diam.;ascospores obovate, 4-septate, slightly constricted, 44–48x18–20 µm.Material examined: 12.xii.2003 on leaves of Litseasp. (Lauraceae), Sairandhri, 12.xii.2003, V.B. HosagoudarHCIO 47680, TBGT 2702.Meliola malabarensis Hansf., Proc. Linn. Soc. London157: 182, 1946; Sydowia Beih. 2: 531, 1961; Thite &Kulkarni, J. Shivaji Univ. 5: 161, 1973; Hosagoudar & Goos,Mycotaxon 37: 240, 1990; 42: 135, 1991; Hosagoudaret al., Mycotaxon 46: 206, 1993; Hosagoudaroudar,Meliolales of India, p. 246, 1996 (Fig. 56).Colonies hypophyllous, thin, up to 4mm in diameter,cFigure 55. Meliola litseae var. rotundipodaa - Appressoriate mycelium; b - Phialides; c - Apical portion of themycelial setae; d - Ascosporesconfluent. Hyphae straight to slightly undulate, branchingopposite at wide to acute angles, loosely to closelyreticulate, cells 22–42x6–8 µm. Appressoria alternate,straight to curved, antrorse to spreading, 16–24 µm long;stalk cells cylindrical to cuneate, 4–10 µm long; headcells ovate, globose, cylindrical, often curved, slightlytruncate at the apex, entire, 10–14x8–10 µm. Phialidesmixed with appressoria, opposite to alternate, variouslycurved, ampulliform, 18–20x6–10 µm. Mycelial setaegrouped around perithecia, straight, simple, simple,acute at the tip, up to 480µm long. Perithecia scattered,verrucose, up to 144µm in diam.; ascospores obovoidal,4-septate, constricted, 32–38x10–16 µm.Material examined: 13.xii.2003 on leaves ofOleadioica Roxb. (Oleaceae), Sairandhri, V.B. Hosagoudaret al., HCIO 45778, TBGT 1527.Meliola manoharacharyi Hosagoudar, Riju & D.K.Agarwal, Indian Phytopath. 63: 76, 2010 (Fig. 57).Colonies epiphyllous, scattered, thin, up to 2µmdiameter, confluent. Hyphae straight to substraight,branching mostly opposite, rarely unilateral at acuteto wide angles, loosely reticulate, cells 12–38x6–8µm. Appressoria opposite (48%), alternate, unilateral,antrorse to sub antrorse, 15–23 µm long; stalk cellscylindrical to cuneate, 2–8 µm long; head cellsglobose, ovate, rarely truncate, entire, 7–18x7–13 µm.Phialides mixed with appressoria, mostly opposite,often unilateral to alternate, ampulliform, 20–25x7–103736Journal of Threatened Taxa | www.threatenedtaxa.org | 05 March 2013 | 5(3): 3701–3788
Foliicolous fungi of Silent ValleyHosagoudar & Rijudacac8µm10µmbdFigure 57. Meliola manoharacharyia - Appressoriate mycelium; b. Phialides; c - Apical portion of themycelial setae; d - AscosporesbFigure 56. Meliola malabarensisa - Appressoriate mycelium; b. Phialides; c - Apical portion of themycelial setae; d - Ascosporesµm. Mycelial setae simple, straight to slightly curved,acute to 1–3 times dentate at the tip, up to 1050µmlong. Perithecia scattered, varrucose, up to 163µm indiameter; ascospores cylindrical, 4-septate, constrictedat the septa, 50–53x20–23 µm.Materials examined: 01.viii.2008 on leaves ofMyristica sp. (Myristicaceae), Silent Valley, M.C. Riju etal. HCIO 49198 (holotype), TBGT 3437 (isotype).Meliola palakkadensis Hosagoudar, D.K. Agarwal, H.Biju & Archana, Indian Phytopath. 60: 84, 2007 (Fig. 58).Colonies hypophyllous, sub-dense, velvety, upto 10mm in diameter, confluent. Hyphae straight toundulate, branching mostly opposite to irregular atwide angles, loosely reticulate, cells 18–24x6–8 µm.Appressoria alternate to unilateral, antrorse to subantrorse,straight to curved, 14–24 µm long; stalkcells cylindrical to cuneate, 4–7 µm long; head cellsglobose, ovate, slightly angular, entire, 9–18x8–13µm. Phialides mixed with appressoria, opposite tounilateral, ampulliform, 13–21x8–10 µm. Mycelialsetae numerous, scattered, straight, very few uncinate,simple, acute to obtuse at the tip, up to 700µm long.Perithecia globose, scattered, up to 265µm in diameter;ascospores obovoidal, 4-septate, constricted at thesepta, 40–48x16–21 µm.Material examined: 12.xii.2003 on leaves of Litseasp. (Lauraceae), Sairandhri, V.B. Hosagoudar et al. HCIO46140 (holotype), TBGT 1903 (isotype).Meliola paramignyae Hosagoudar, Indian Bot. Reptr.7: 58, 1988; Hosagoudaroudar, Meliolales of India, p.278, 1996 (Fig. 59).Colonies hypophyllous, crustose, thin, up to 4 mm indiam. Hyphae straight to substraight, branching oppositeat acute to wide angles, loosely to closely reticulate,Journal of Threatened Taxa | www.threatenedtaxa.org | 05 March 2013 | 5(3): 3701–37883737
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