Prodromus of a fern flora for Bolivia. XL. Polypodiaceae Author Smith, Alan R. University Herbarium, 1001 Valley Life Sciences Bldg. # 2465, University of California, Berkeley, CA 94720 - 2465 Author Kessler, Michael Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, CH- 8008 Zurich, Switzerland Author León, Blanca Museo de Historia Natural, Av. Arenales 1256, Aptdo. 14 - 0434, Lima 14, Peru & Plant Resources Center, University of Texas, Austin, TX 78712, USA Author Almeida, Thaís Elias Universidade Federal do Oeste do Pará - Herbário HSTM, Avenida Marechal Rondon, s. n. - Santarém, 68040 - 070, Brazil Author Jiménez-Pérez, Iván Herbario Nacional de Bolivia, Correo Central 10077, La Paz, Bolivia Author Lehnert, Marcus University Herbarium, 1001 Valley Life Sciences Bldg. # 2465, University of California, Berkeley, CA 94720 - 2465 & Nees Institut für Biodiversität der Pflanzen, Rheinische-Friedrich-Wilhelms Universität Bonn, Meckenheimer Allee 170, 53115 Bonn, Germany & University Herbarium, 1001 Valley Life Sciences Bldg. # 2465, University of California, Berkeley, CA 94720 - 2465 text Phytotaxa 2018 2018-06-11 354 1 448 450 http://dx.doi.org/10.11646/phytotaxa.354.1.1 journal article 10.11646/phytotaxa.354.1.1 1179-3163 Melpomene gracilis (Hook.) A.R.Sm., Novon 5(1): 21. 1995 . = Grammitis gracilis (Hook.) Stolze, Fieldiana, Bot. , n.s., 32: 96. 1993 . Range: — Ecuador , Peru (known only from the type ), and Bolivia ( LP ) . Ecology: — Rare, known from a single Bolivian collection: Williams 2622 ( NY ); epiphytic in elfin forests, punas; 3300 m ( 4500 m in Peru ) . Notes: —Related to Melpomene allosuroides , but with less revolute segments and usually lobed margins ( Lehnert 2013 ). Melpomene jimenezii Lehnert, Amer. Fern J. 98(4): 227(–229), f. 5A-D, 7D. 2009. Range: —Eastern Peru and Bolivia (LP). Ecology: —Rare, known from four Bolivian collections; epiphytic in elfin forests and moist montane forests; 3200–3500 m . Notes: —Differing from most other species of the genus in lacking conspicuous hydathodes adaxially. Superficially similar to M. firma , which differs in having shorter, less densely hairs on the petioles, conspicuous hydathodes, and black costae abaxially.