1. The affinities of Lithophytum: A transfer from Solanaceae to Verbenaceae

   • William G. D’Arcy
   • Richard C. Keating

   OriginalPaper Pages: 213 - 225

2. Generic delimitations of Central American Bignoniaceae

   • Alwyn H. Gentry

   OriginalPaper Pages: 226 - 242

3. The genus Hymenoclea (Compositae: Ambrosieae)

   • Kathleen M. Peterson
   • Willard W. Payne

   OriginalPaper Pages: 243 - 256

4. A revision of the West Indian species of Lepanthes (Orchidaceae). III. Cuba

   • Henry A. Hespenheide

   OriginalPaper Pages: 257 - 283

5. Reevaluation of the biological status of Juniperus Deppeana var. sperryi Correll

   • Robert P. Adams

   OriginalPaper Pages: 284 - 289

6. A new Hibiscadelphus (Malvaceae) from Kauai

   • L. Earl Bishop
   • Derral Herbst

   OriginalPaper Pages: 290 - 293

7. Biosystematics of Aletris lutea Small, Aletris obovata Nash, and natural hybrids (Liliaceae)

   • Victoria I. Sullivan

   OriginalPaper Pages: 294 - 303

8. A new species of Byrsonima (Malpighiaceae) from Panama

   • Walter H. Lewis

   OriginalPaper Pages: 304 - 306

9. Report of the committee for recommendations in desirable procedures in Herbarium Practice and Ethics, II

   • Lorin I. Nevling

   Report Pages: 307 - 310

10. Notice for collectors of Mexican plants

    • Arturo Gómez-Pompa

    Announcement Pages: 311 - 311

11. Notice

    • Abby Levine

    Announcement Pages: 312 - 313

12. Note on the type of Rubia acuminata Martens & Galeotti

    • Lauramay T. Dempster
    • Jepson Herbarium

    Announcement Pages: 313 - 313

13. Correction

    OriginalPaper Pages: 313 - 313

14. Australian systematic botany society

    • D. J. McGillivray

    Announcement Pages: 314 - 314