1. A re-evaluation of galium multiflorum and related taxa

   • Lauramay T. Dempster

   OriginalPaper Pages: 105 - 122

2. Studies in the capparidaceae—VI. Cleome sect. physostemon: Taxonomy, Geography and Evolution

   • Hugh H. Iltis

   OriginalPaper Pages: 123 - 162

3. Studies in South American plants—V

   • Jose Cuatrecasas

   OriginalPaper Pages: 163 - 172

4. Meiotic chromosome counts for 12 species of texas compositae

   • B. L. Turner

   OriginalPaper Pages: 173 - 177

5. The origin of the cultivated xylophylla hybrid, phyllanthus X elongatus

   • Grady L. Webster

   OriginalPaper Pages: 177 - 182

6. The glume pit of andropogon barbinodis

   • Frank W. Gould

   OriginalPaper Pages: 182 - 187

7. Notes on coreopsidinae from Mexico and the United States

   • Earl Edward Sherff

   OriginalPaper Pages: 188 - 190

8. Review

   ReviewPaper Pages: 191 - 191

9. Notes and news

   News Pages: 192 - 192

10. Tipularia discolor in Illinois

    • Robert H. Mohlenbrook
    • John W. Voigt

    Announcement Pages: xxxix - xl