1. Three new species of Lysipomia (Lobeliaceae) endemic to the páramos of southern Ecuador

   • T. J. Ayers

   Articles 01 October 1997 Pages: 433 - 440

2. The 1997 Jesse M. Greenman Award

   Announcement 01 October 1997 Pages: 440 - 440

3. New and noteworthy species in the Paullinieae tribe (Sapindaceae)

   • María S. Ferrucci
   • Pedro Acevedo-Rodríguez

   Articles 01 October 1997 Pages: 441 - 448

4. A new species of Malaxis (Orchidaceae) from Morelos, Mexico

   • Gerardo A. Salazar

   Articles 01 October 1997 Pages: 449 - 451

5. Toward a census of genus Mimosa (Mimosaceae) in the Americas: a new species from Mexico (Baja California Sur) and two from planaltine Brazil (Goiás, Minas Gerais)

   • Rupert C. Barneby

   Articles 01 October 1997 Pages: 452 - 457

6. A pair of species of Tauschia Schltdl. (Umbelliferae/Apiaceae) from Mexico

   • Lincoln Constance
   • James M. Affolter

   Articles 01 October 1997 Pages: 458 - 462

7. Phylogeny and classification of Voyria (Saprophytic Gentianaceae)

   • Victor A. Albert
   • Lena Struwe

   Articles 01 October 1997 Pages: 466 - 479

8. Notes on calycophyllous Rubiaceae. Part II. Morphological comparison of the genera Bathysa and Schizocalyx

   • Piero G. Delprete

   Articles 01 October 1997 Pages: 480 - 486

9. Errata

   • Piero G. Delprete
   • Michael Nee

   Erratum 01 October 1997 Pages: 486 - 486

10. Revision and typification of Brazilian Augusta (Rubiaceae, Rondeletieae), with ecological observations on the riverine vegetation of the cerrado and Atlantic forests

    • Piero G. Delprete

    Articles 01 October 1997 Pages: 487 - 497

11. Two new species of Serjania section Serjania (Sapindaceae)

    • Pedro Acevedo-Rodríguez

    Articles 01 October 1997 Pages: 498 - 502

12. Aulonemia bogotensis (Poaceae: Bambusoideae), a new species from the Cordillera Oriental of Colombia

    • Lynn G. Clark
    • Ximena Londoño
    • Mikio Kobayashi

    Articles 01 October 1997 Pages: 503 - 507

13. The genera of Myrtaceae in Brazil: an illustrated synoptic treatment and identification keys

    • Leslie R. Landrum
    • Maria Lúcia Kawasaki

    Articles 01 October 1997 Pages: 508 - 536

14. A new Astragalus (Leguminosae) from Argentina, notable for placentation of its seeds

    • Edith Gómez-Sosa

    Articles 01 October 1997 Pages: 537 - 541

15. Index to American Botanical Literature

    • William R. Buck
    • Scott V. Heald
    • Thomas A. Zanoni

    Announcement 01 October 1997 Pages: 542 - 576