1. Two theories of origin of the land-plant sporophyte: Which is left standing?

   • Will H. Blackwell

   OriginalPaper Pages: 125 - 148

2. The ecophysiology of foliar anthocyanin

   • Dugald C. Close
   • Christopher L. Beadle

   OriginalPaper Pages: 149 - 161

3. The role of fungicides in the physiology of higher plants: Implications for defense responses

   • Pablo C. Garcia
   • Rosa M. Rivero
   • Luis Romero

   OriginalPaper Pages: 162 - 172

4. Demographic trends in the Cactaceae

   • Héctor Godínez-Álvarez
   • Teresa Valverde
   • Pablo Ortega-Baes

   OriginalPaper Pages: 173 - 201

5. How Paleozoic vines and lianas got off the ground: On scrambling and climbing carboniferous-early permian pteridosperms

   • Michael Krings
   • Hans Kerp
   • Edith L. Taylor

   OriginalPaper Pages: 204 - 224