1. Ovule and seed ontogeny inGnetum gnemon L.

   • Tokushiro Takaso
   • Ferdinand Bouman

   OriginalPaper Pages: 241 - 266

2. Tree size structure of stands and each species in primary warm-temperate rain forests of Southern Japan

   • Takashi Kohyama

   OriginalPaper Pages: 267 - 279

3. Application of soft X-ray microradiography to observation of cystoliths in the leaves of various higher plants

   • Megumi Okazaki
   • Hiroaki Setoguchi
   • Shoichi Suga

   OriginalPaper Pages: 281 - 287

4. Karyomorphology and relationships in some genera of Saururaceae and piperaceae

   • Hiroshi Okada

   OriginalPaper Pages: 289 - 299

5. Formation of the nuclear envelope during mitotic anaphase inSpirogyra

   • Katsumi Ueda
   • Paradugu Abhayavardhani
   • Tetsuko Noguchi

   OriginalPaper Pages: 301 - 308

6. Surface-viewed shoot apex ofAngiopteris lygodiifolia Ros. (Marattiaceae)

   • Ryoko Imaichi

   OriginalPaper Pages: 309 - 317

7. Crowding effect in marine macrophytic algae populations

   • Toshihiko Hara
   • Fumito Koike
   • Kiyoshi Matsui

   Short Communication Pages: 319 - 321