1. The initiation of Xylem differentiation

   • Lorin W. Roberts

   OriginalPaper Pages: 201 - 250

2. Competitive relationships among herbaceous grassland plants

   • Paul G. Risser

   OriginalPaper Pages: 251 - 284

3. Molecular approaches to taxonomy of fungi

   • R. Hall

   OriginalPaper Pages: 285 - 304

4. Biochemical systematics and fungi

   • D. Tyrrell

   OriginalPaper Pages: 305 - 316