1. This volume of BRITTONIA is dedicated with admiration and affection to RICHARD S. COWAN

   Announcement Pages: 341 - 343

2. A new species and a new combination in western North American Silene (Caryophyllaceae)

   • Arnold Tiehm

   OriginalPaper Pages: 344 - 346

3. Addendum

   • Arnold Tiehm

   Erratum Pages: 346 - 346

4. Eschweilera mexicana (Lecythidaceae): A new family for the flora of Mexico

   • Tom Wendt
   • Scott A. Mori
   • Ghillean T. Prance

   OriginalPaper Pages: 347 - 351

5. Hesler visiting professorships of floristic botany

   Announcement Pages: 351 - 351

6. Two new species of Agalinis (Scrophulariaceae) from South America

   • Kerry Barringer

   OriginalPaper Pages: 352 - 354

7. Marila spiciformis (Bonnetiaceae)

   • McDearman Will
   • Sidney McDaniel

   Erratum Pages: 354 - 354

8. Fissidens austro-americanus (Bryopsida: Fissidentaceae), a new species from Brazil and Suriname

   • Ronald A. Pursell
   • William D. Reese

   OriginalPaper Pages: 355 - 357

9. Meeting

   Announcements Pages: 357 - 357

10. A new name in Dyschoriste (Acanthaceae)

    • T. P. Ramamoorthy
    • Dieter C. Wasshausen

    OriginalPaper Pages: 358 - 359

11. Manual of cultivated broad-leaved trees and shrubs. Volume I, A–D. By Gerd Krüssmann. Translated by Michael E. Epp. Technical editor: Gilbert S. Daniels

    • Gail L. Sobel

    Book Review Pages: 359 - 359

12. Southern Applachian Russulas. III. The identity of Russula eccentrica and R. Morgani (Russulaceae)

    • Gerald F. Bills

    OriginalPaper Pages: 360 - 365

13. A new species of Sabal (Palmae) from Florida

    • Scott Zona

    OriginalPaper Pages: 366 - 368

14. Chromosome number determinations in Aster section Conyzopsis (Asteraceae)

    • Francine Houle
    • Luc Brouillet

    OriginalPaper Pages: 369 - 372

15. Books received

    Announcement Pages: 372 - 372

16. Two new species of Eupatorium (Asteraceae) from northeastern Mexico

    • Billie L. Turner

    OriginalPaper Pages: 373 - 377

17. A new species of Comarostaphylis (Ericaceae, Arbuteae) from Tamaulipas, Mexico

    • Laurence J. Dorr
    • George M. Diggs

    OriginalPaper Pages: 378 - 381

18. Book reviews

    • Anita F. Cholewa

    BookReview Pages: 381 - 381

19. The Montana collections of Francis Duncan Kelsey

    • Wayne J. Elisens

    OriginalPaper Pages: 382 - 391

20. A new species of Najas (Najadaceae) from the southeastern U.S.A.

    • Robert R. Haynes

    OriginalPaper Pages: 392 - 393

21. A new Madia of sect. Anisocarpus (Compositae: Heliantheae) from Trinity County, California

    • Thomas W. Nelson
    • Jane P. Nelson

    BriefCommunication Pages: 394 - 396

22. Guide to the standard floras of the world. By D. G. Frodin

    • Anita F. Cholewa

    Book Review Pages: 396 - 396

23. New combinations in Hawaiian Chamaesyce (Euphorbiaceae)

    • Daryl L. Koutnik

    OriginalPaper Pages: 397 - 399

24. News

    Announcements Pages: 399 - 399

25. Vascular plant types of Clarence King's exploration of the fortieth parallel, 1867–1869

    • Arnold Tiehm

    OriginalPaper Pages: 400 - 424

26. Book reviews

    • Jean R. Boise
    • Rupert C. Barneby
    • Ghillean T. Prance

    BookReview Pages: 424 - 426