1. News and notes

   News 01 April 1966 Pages: xiv - xiv

2. Revision of the genus stylisma (convolvulaceae)

   • Tin Myint

   OriginalPaper 01 April 1966 Pages: 97 - 117

3. An interpretation of the flower of petalostemon (leguminosae)

   • Don K. Wemple
   • Nels R. Lersten

   OriginalPaper 01 April 1966 Pages: 117 - 126

4. Botanical latin

   • Peter H. Raven

   Book Review 01 April 1966 Pages: 126 - 126

5. Stereum radicans, clavariadelphus and the gomphaceae

   • A. L. Welden

   OriginalPaper 01 April 1966 Pages: 127 - 131

6. Plantae rariores camschatcenses: A translation of the dissertation of Jonas P. Halenius, 1750

   • Alan Graham

   OriginalPaper 01 April 1966 Pages: 131 - 139

7. A new species of Scirpus in California

   • Alfred E. Schuyler

   OriginalPaper 01 April 1966 Pages: 140 - 142

8. The Phlox pilosa complex: Crossing and chromosome relationships

   • Donald A. Levin

   OriginalPaper 01 April 1966 Pages: 142 - 162

9. A new tetraploid brome, section bromopsis, of Alaska

   • Wm. W. Mitchell
   • A. C. Wilton

   OriginalPaper 01 April 1966 Pages: 162 - 166

10. A new taxonomy for Epilobium angustifolium L. (onagraceae)

    • Theodore Mosquin

    OriginalPaper 01 April 1966 Pages: 167 - 188

11. Notes on Mexican grasses IV. Dioecy in bouteloua chondrosioides

    • John R. Reeder
    • Charlotte G. Reeder

    OriginalPaper 01 April 1966 Pages: 188 - 191

12. Addenda

    Announcement 01 April 1966 Pages: 191 - 191

13. Death of Earl E. Sherff

    Announcement 01 April 1966 Pages: 191 - 191