1. A Taxonomic revision of polygonella (Polygonaceae)

   • James H. Horton

   OriginalPaper Pages: 177 - 203

2. The Michigan botanist

   Announcement Pages: 203 - 203

3. In appreciation—George Howard Hamor, 1887–1962

   • Richard A. Howard

   OriginalPaper Pages: 204 - 207

4. Tenth International Botanical Congress Edinburgh, Great Britain, 1964

   OriginalPaper Pages: 207 - 207

5. Pollen size in Hickories (Carya)

   • Donald E. Stone

   OriginalPaper Pages: 208 - 214

6. Closing date for research proposals, National Science Foundation

   OriginalPaper Pages: 214 - 214

7. Notes on Mexican grasses. I. New and noteworthy species of Bouteloua

   • John R. Reeder
   • Charlotte G. Reeder

   OriginalPaper Pages: 215 - 221

8. The New York Botanical Garden wild flower books

   OriginalPaper Pages: 221 - 221

9. Initial biometric survey of morphological variation in the Cirsium altissimum-C. discolor complex

   • Robert A. Davidson

   OriginalPaper Pages: 222 - 241

10. Cytotaxonomy of Digitaria sanguinalis and D. adscendens

    • Frank W. Gould

    OriginalPaper Pages: 241 - 244

11. Yellow Erythroniums of the Eastern United States

    • Clifford R. Parks
    • James W. Hardin

    OriginalPaper Pages: 245 - 259

12. Death of Paul C. Standley

    Announcement Pages: 259 - 259

13. Cytotaxonomy of Helianthus ciliaris and related species of the Southwestern U. S. and Mexico

    • R. C. Jackson

    OriginalPaper Pages: 260 - 271

14. Notes and News

    News Pages: lxxi - lxxii