1. Micromorphological characters and generic delimitation of some New World Senecioneae (Asteraceae)

   • Mark Allen Wetter

   OriginalPaper Pages: 1 - 22

2. Ranunculaceae (crowfoot family) of New York State. R. S. Mitchell & J. K. Dean

   • Rupert C. Barneby

   Book Review Pages: 22 - 22

3. Chrysothamnus eremobius (Asteraceae): A new species from Nevada

   • Loran C. Anderson

   OriginalPaper Pages: 23 - 27

4. Lectotypification of Chorizanthe watsonii (Polygonaceae: Eriogonoideae)

   • Barbara Ertter
   • Arnold Tiehm

   OriginalPaper Pages: 28 - 29

5. The New World Species of Cynanchum subgenusMellichampia (Asclepiadaceae) Eric Sundell

   • Arthur Cronquist

   Book Review Pages: 29 - 29

6. New nomenclatural combinations in the North American perennial Triticeae (Gramineae)

   • Douglas R. Dewey

   OriginalPaper Pages: 30 - 33

7. The grasses of Baja California, Mexico Frank W. Gould and Reid Moran

   • Christopher S. Campbell

   Book Review Pages: 33 - 33

8. A new species of Sicyos (Cucurbitaceae) from Chiapas, Mexico

   • Emily J. Lott
   • Paul A. Fryxell

   OriginalPaper Pages: 34 - 36

9. Lophanthera, a genus of Malpighiaceae new to Central America

   • William R. Anderson

   OriginalPaper Pages: 37 - 41

10. Three new mesoamerican species of Miconia (Melastomataceae)

    • Frank Almeda

    OriginalPaper Pages: 42 - 48

11. Additions to Neotropical Dichapetalaceae

    • Ghillean T. Prance

    OriginalPaper Pages: 49 - 54

12. Ferns and Allied Plants, with special reference to Tropical America. R. M. & A. F. Tryon

    • Sterling J. Sam

    Book Review Pages: 54 - 54

13. Capsicum tovarii (Solanaceae), a new species of pepper from Peru

    • W. Hardy Eshbaugh
    • Paul G. Smith
    • Daniel L. Nickrent

    OriginalPaper Pages: 55 - 60

14. A Flora of Waterton Lakes National Park. Job Kuijt

    • Noel H. Holmgren

    Book Review Pages: 60 - 60

15. Contributions toward a monograph of Cybianthus (Myrsinaceae): III a revision of subgenus Laxiflorus

    • John J. Pipoly

    OriginalPaper Pages: 61 - 80

16. Grasses: An introduction to the study of fodder and cereal grasses. Romain Y. Roshevits

    • Noel H. Holmgren

    Book Review Pages: 80 - 80

17. Type studies in the Lejeuneaceae. II. Pteryganthus, a new subgenus of Lopholejeunea

    • Barbara M. Thiers

    OriginalPaper Pages: 81 - 86

18. Handbooks of the Flora of Papua New Guinea. Volume II. E. E. Henty, Editor.

    • A. H. M. Jayasuriya

    Book Review Pages: 86 - 86

19. The identity of the Pleistocene mosses Drepanocladus minnesotensis and Neocalliergon integrifolium (Amblystegiaceae)

    • Norton G. Miller

    OriginalPaper Pages: 87 - 92

20. Available

    Annoucements Pages: 92 - 92

21. On the laterocytic stomatotype in angiosperms

    • Margarita Baranova

    OriginalPaper Pages: 93 - 102

22. In Memoriam

    Annoucements Pages: 102 - 102

23. Book reviews

    • Rupert C. Barneby
    • P. Mick Richardson

    BookReview Pages: 103 - 104

24. The International Association for Plant Taxonomy

    Annoucements Pages: 105 - 105