Vol. XXI, pp. 63-68 March 21, 1908 PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON NOMENCLATORIAL STUDIES IN THREE ORCHID GENERA.* BY A. A. EATON. During the course of nomenclatorial studies in the Orchid-acese I have found the following changes necessary in order to conform with the articles of the Vienna Code. These changes will he more fully discussed and a full bibliography given, with synonomy and keys to the genera, in Orchidaceae, fascicle 3, now ready for the press. EPIPACTIS (Haller) Bohmer. The name Epipactis appears to have been first used since 1753 by Bohmer in the third edition of Ludwig's Definitiones Generum Plantarum. Although he makes no binomial combination, his genus is properly made and he gives several references to the plant designated by Linnaeus as Satyrium repens, now known as Goodyera repens R. Br., or Peramium repens Salisb. As the name Epipactis antedates all others for the group it must be adopted. The resulting changes in specific names are as follows: E. angustifolia (Schlechter). Goodyera angustifolia Schlechter in Schumann & Lauterbach Nachtr. Fl. Siidsee92 (1905). E. bifida (Bl.). Neottia bifida Blume Bijdr. 408 (1825). — Goodyera bifida Blume Fl. Java Orch. 33, t. 9 | c, f. 1 (1858). E. biflora (Hook. f.). Goodyera biflora Hooker f. Fl. Brit. Ind. 6: 114 (1890). E. brachiorrhynchos (Schlechter). Goodyera brachiorrhynchos Schlechter in Schumann & Lauterbach Nachtr. Fl. Sudsee 93 (1905). E. colorata (Bl. ). Neottia colorata Blume Bijdr. 409 (1825). — Goodyera colorata Blume Fl. Java Orch. 31 t. 9 | b, f. 2 (1858). * Contributions from the Ames Botanical Laboratory, No. 8. 11— Peoc. Biol. Soc. Wash., Vol. XXI, 1908. (63)
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