1. Systematic studies on mexican coreopsis (compositae). Coreopsis mutica: Flavonoid chemistry, chromosome numbers, morphology, and hybridization

   • Daniel J. Crawford

   OriginalPaper Pages: 93 - 111

2. Six new species of melampodium (compositae: Heliantheae) from Mexico and Central America

   • Tod F. Stuessy

   OriginalPaper Pages: 112 - 124

3. Phytoserological systematic survey of the caprifoliaceae

   • Gary R. Hillebrand
   • David E. Fairbrothers

   OriginalPaper Pages: 125 - 133

4. A biosystematic study of the eupatorium rotundifolium complex (Compositae)

   • James D. Montgomery
   • David E. Fairbrothers

   OriginalPaper Pages: 134 - 150

5. A new ribbon-leaved aquatic bulrush in madagascar (Cyperaceae: Scirpus)

   • Alfred E. Schuyler

   OriginalPaper Pages: 151 - 153

6. Panicum shastense (gramineae), a sterile hybrid between P. Pacificum and P. Scribnerianum

   • Richard W. Spellenberg

   OriginalPaper Pages: 154 - 162

7. Taxonomic significance of floral pigments in linum (Linageae)

   • David E. Giannasi
   • C. Marvin Rogers

   OriginalPaper Pages: 163 - 174

8. Chromosome numbers in chelone (Scrophulariaceae)

   • T. S. Cooperrider
   • G. A. McCready

   OriginalPaper Pages: 175 - 183

9. Three new species of galium (rubiaceae) from Baja California

   • Lauramay T. Dempster

   OriginalPaper Pages: 184 - 190