WMTTEN ET AL. Relationships of Zygopetalinae php Jenny, R. 1989. Zwei neue Arten aus der Chondro- rhyncha-Verwandschaft, Chaubardiella pacuarensis und Chondrorhyncha andreettae. Die Orchidee 40: 91-94. Neudecker, T. & G. Gerlach. 2000. Rediscovery of the genus Dodsonia, and a description of a new Stenia from Ecuador: Stenia glatzii. Orquideologia 21: 256- 267. Rambaut, A. 1996. Se-Al: Sequence Alignment Editor. Available at http://evolve.zoo.ox.ac.uk/. Pupulin, F. 2000. New species of Costa Rican Orchidaceae. Lindleyana 15: 21-32. Pupulin, F. 2003. Die Orchideenflora Mittelamerikas Erganzungen (Teill). Die Orchidee 54: 467-477. Romero, G. & G. Carnevali. 1993. Reappraisal of subtribe Vargasiellinae (Maxillarieae, Orchidaceae). Novon 3: 79. Royal Botanic Gardens, Kew. 2003. Monocot Checklist. Published on the Internet; lii'p -, I1-'- -, ..I- L/ data/monocots accessed June 2003. Rungius, C. 1996. Umkombination von drei Chon- drorhyncha-Arten aus Ekuador zur Gattung Chondroscaphe. Die Orchidee Beih. 3: 15-17. Rungius, C. 1998. Checkliste zu den Gattungen der Huntleyinae. Die Orchidee 49: 172-179, 211-219, 296-298. Schultes, R.E. & L.A. Garay. 1959. On the validity of the generic name Cochleanthes Raf Bot. Mus. Leafl. Harvard Univ. 18: 321-327. Senghas, K. 1989. Die Gattung Chondrorhyncha, mit einer neuen Art, Chondrorhyncha viridisepala, aus Ekuador. Die Orchidee 40: 178-181. Senghas, K. 1990. Die Gattung Cochleanthes, mit einer neuen Art, C. palatina, aus Bolivien. Die Orchidee 41: 89-96. Senghas, K. & H. Dietrich. 1992.18. TribusMaxillarieae. In: Schlechter, R. Die Orchideen 1/B: 1617-1620. Senghas, K. & G. Gerlach. 1991. Zwei neuentdeckte Huntleyinen: Chondrorhyncha aurantiaca und Cochleanthes guianensis. Die Orchidee 42: 280-287. Senghas, K. & G. Gerlach. 1992-1993. 59. Subtribus Huntleyinae. In: Schlechter, R. Die Orchideen 1/B: 1620-1674. Senghas, K. & G. Gerlach. 1993a. 60. Subtribus Zygopetalinae. In: Schlechter, R. Die Orchideen 1/B: 1674-1727. Senghas, K. & G. Gerlach. 1993b. 691. Chondroscaphe. Die Orchideen ed. 3 1B(27): 1655. Seelanan, T.A. Schnabel & J.F. Wendel. 1997. Congruence and consensus in the cotton tribe (Malvaceae). Syst. Bot. 22: 259-290. Swofford, D.L. 1999. PAUP*. Phylogenetic Analysis Using Parsimony (*and Other Methods). Version 4.0b. Sinauer Associates, Sunderland, MA. Szlachetko, D.L. 1995. System Orchidalium. Fragm. Flor. Geobot. Suppl. 3: 1-152. Szlachetko, D.L. 2003. Senghasia, eine neue Gattung der Zygopetaleae. J. Orchideenfreund. 10(4): 335. Wiens, J.J. 1998. Combining data sets with different phylogenetic histories. Syst. Biol. 47: 568-581. Whitten, W.M., N.H. Williams & M.W. Chase. 2000. Subtribal and generic relationships of Maxillarieae (Orchidaceae) with emphasis on Stanhopeinae: combined molecular evidence. Amer. J. Bot. 87: 1842-1855. Williams, N.H., M.W. Chase & W.M. Whitten. 2001. Phylogenetic position ofMiltoniopsis, Caucaea, anew genus, Cyrtochiloides, and relationship of Oncidium phymatochilum based on nuclear and chloroplast DNA sequence data (Orchidaceae: Oncidiinae). Lindleyana 16: 272-285. Table 1. List of taxa examined, GenBank numbers, and voucher specimens. Taxon Collector Acacallis cyanea Lindl. Whitten 93107 FLAS Acacallisfimbriata (Rchb.f) Schltr. Breuer & Gerlach M s.n. Ackermania caudata (Ackerman) Dodson & R. Whitten 1750 FLAS Escobar Ackermania coruta (Garay) Dodson & R. Whitten 1818 FLAS Escobar Ackermania hajekii D.E.Benn. & Christenson Whitten 1751 FLAS AY870104 AY870005 AY869907 AY870105 AY870006 AY869908 AY870027 AY869928 AY870026 AY869930 AY869842 AY869841 AY870028 AY869929 AY869843 Voucher GenBank GenBank GenBank location numbers ITS numbers matK numbers trnL-F LANKESTERIANA5(2):