1. Two new species of Serjania (Sapindaceae) from southeastern Brazil

   • Pedro Acevedo-Rodríguez
   • Genise Vieira Somner

   Articles Pages: 477 - 481

2. Mitracarpus longicalyx (Rubiaceae, Spermacoceae), a new species from northeastern Brazil

   • Elnatan Bezerra de Souza
   • Margareth Ferreira De Sales

   Articles Pages: 482 - 486

3. A new species in the Elaphoglossum petiolatum complex (Elaphoglossaceae) from Mexico

   • John T. Mickel

   Articles Pages: 487 - 489

4. Morphology, anatomy, and taxonomic position of Pagameopsis (Rubiaceae-Rubioideae)

   • Frederic Piesschaert
   • Steven Jansen
   • Erik Smets

   Articles Pages: 490 - 504

5. Two new species of Physalis (Solanaceae) endemic to Jalisco, Mexico

   • Ofelia Vargas
   • Mahinda Martínez
   • Patricia Dávila A.

   Articles Pages: 505 - 510

6. Inter-simple sequence repeat (ISSR) diversity within Monarda fistulosa var. brevis (Lamiaceae) and divergence between var. brevis and var. fistulosa in West Virginia

   • Rebecca T. Kimball
   • Daniel J. Crawford
   • P. J. Harmon

   Articles Pages: 511 - 518

7. Germination strategies of palms: the case of Schippia concolor Burret in Belize

   • Claudio Urbano B. Pinheiro

   Articles Pages: 519 - 527

8. Studies on Mexican Cactaceae. II. Opuntia megarrhiza, a poorly known endemic from San Luis Potosí, Mexico

   • Héctor M. Hernández
   • Carlos Gómez-Hinostrosa
   • Rolando T. Bárcenas

   Articles Pages: 528 - 533

9. Two new species of Campomanesia (Myrtaceae) from Espírito Santo and Bahia, Brazil

   • Leslie R. Landrum

   Articles Pages: 534 - 538

10. Lipochaeta and Melanthera (Asteraceae: Heliantheae subtribe Ecliptinae): establishing their natural limits and a synopsis

    • Warren L. Wagner
    • Harold Robinson

    Articles Pages: 539 - 561

11. Book reviews

    • C. Moran
    • Wayt Thomas
    • Kenneth M. Cameron

    BookReview Pages: 562 - 564