1. Revision of the genus Piptanthus (Fabaceae: Thermopsideae)

   • B. L. Turner

   OriginalPaper Pages: 281 - 285

2. Announcements from the Hunt Institute

   Announcement Pages: 285 - 285

3. The correct name for the Nikko Maple (Aceraceae)

   • Thomas J. Delendick

   OriginalPaper Pages: 286 - 290

4. Book review

   • Robert M. Lloyd

   BookReview Pages: 290 - 290

5. Taxonomic notes on Senecio tomentosus and its allies (Asteraceae)

   • T. M. Barkley

   OriginalPaper Pages: 291 - 308

6. Book reviews

   • Thomas A. Zanoni

   BookReview Pages: 308 - 308

7. Biosystematics of Lysimachia section Seleucia (Primulaceae)

   • Vincent J. Coffey
   • Samuel B. Jones

   OriginalPaper Pages: 309 - 322

8. Book review

   • Amy Y. Rossman

   BookReview Pages: 322 - 322

9. A new Madia (Compositae) from northwest California

   • Thomas W. Nelson
   • Jane P. Nelson

   OriginalPaper Pages: 323 - 325

10. Announcement

    Announcement Pages: 325 - 325

11. A new Penstemon (Scrophulariaceae) from northwestern Arizona

    • Noel H. Holmgren

    OriginalPaper Pages: 326 - 329

12. In memoriam

    • Ghillean T. Prance

    Announcement Pages: 329 - 329

13. A new Trillium (Liliaceae) from the northwestern United States

    • Victor G. Soukup

    OriginalPaper Pages: 330 - 333

14. Book review

    • Thomas A. Zanoni

    BookReview Pages: 333 - 333

15. Nine new elaphoglossums (Elaphoglossaceae) from Mexico

    • John T. Mickel

    OriginalPaper Pages: 334 - 339

16. Announcement

    Announcement Pages: 339 - 339

17. Ambrosia johnstoniorum (Asteraceae), a new species of ragweed from the Chihuahuan Desert

    • James Henrickson

    OriginalPaper Pages: 340 - 342

18. Habroneuron Standley, a little-known genus of Mexican Rubiaceae

    • Steven P. Darwin

    OriginalPaper Pages: 343 - 347

19. Book review

    • James L. Luteyn

    BookReview Pages: 347 - 347

20. A new species of Arceuthobium (Viscaceae) from central Mexico

    • Frank G. Hawksworth
    • Delbert Wiens

    OriginalPaper Pages: 348 - 352

21. 1981 annual meeting

    Announcement Pages: 352 - 352

22. The Mexican species of Dichanthelium (Poaceae)

    • Frank W. Gould

    OriginalPaper Pages: 353 - 364

23. Selaginella carnerosana (Selaginellaceae), a new species from Coahuila, Mexico

    • Timothy Reeves

    OriginalPaper Pages: 365 - 367

24. Spiranthes dendroneura (Orchidaceae), a new species from Chihuahua

    • C. J. Sheviak
    • R. A. Bye

    OriginalPaper Pages: 368 - 371

25. Available

    Announcement Pages: 371 - 371

26. New species and new combinations in Myrceugenia (Myrtaceae)

    • Leslie R. Landrum

    OriginalPaper Pages: 372 - 375

27. Book review

    • Clark T. Rogerson

    BookReview Pages: 375 - 375

28. A new species of Clitoria subgenus Neurocarpum section Neurocarpum (Leguminosae) from Brazil

    • Paul R. Fantz

    OriginalPaper Pages: 376 - 379

29. Book review

    • Thomas A. Zanoni

    BookReview Pages: 379 - 379

30. Taxonomic studies in Magonia St. Hil. (Sapindaceae)

    • C. A. Joly
    • G. M. Felippe
    • T. S. Melhem

    OriginalPaper Pages: 380 - 386

31. Clarification of Lupinus grisebachianus, L. subacaulis, and L. subinflatus (Leguminosae)

    • Ana Maria Planchuelo
    • David B. Dunn

    OriginalPaper Pages: 387 - 391

32. Three new species of Dalea sect. Parosela (Leguminosae: Amorpheae) from western and southern Mexico

    • Rupert C. Barneby

    OriginalPaper Pages: 392 - 396

33. Book review

    • John T. Mickel

    BookReview Pages: 396 - 396

34. Cuban plant collections of J. A. Shafer, N. L. Britton and P. Wilson

    • Jacquelyn A. Kallunki

    OriginalPaper Pages: 397 - 420

35. Indices to the species illustrated in Addisonia

    • Noel H. Holmgren

    OriginalPaper Pages: 421 - 436