1. Further studies on the flowering ofLemna paucicostata in Japan

   • Toshio Beppu
   • Atsushi Takimoto

   OriginalPaper Pages: 69 - 76

2. Organogenetic capacity of mutant lines and their hybrids ofArabidopsis thaliana (L.) Heynh

   • Nobuharu Gotô

   OriginalPaper Pages: 77 - 81

3. Studies on cyst formation inPhysarum polycephalum myxamoebae

   • Sayuri Hara
   • Jiro Ohta

   OriginalPaper Pages: 83 - 89

4. Eastern asiatic species ofMucuna (Leguminosae)

   • Yoichi Tateishi
   • Hiroyoshi Ohashi

   OriginalPaper Pages: 91 - 105

5. Growth of various ecotypes ofLemna paucicostata in Japan under various temperature conditions, and their wintering forms

   • Toshio Beppu
   • Atsushi Takimoto

   OriginalPaper Pages: 107 - 114

6. Nuclear envelope projections from pronuclei in karyogamy ofSpirogyra

   • Shigeru Ogawa

   OriginalPaper Pages: 115 - 126

7. Chemotaxonomic studies onArachniodes (dryopteridaceae) III. Phloroglucinol derivatives of putative hybrids

   • Carl-Johan Widén
   • Shigeyuki Mitsuta
   • Kunio Iwatsuki

   OriginalPaper Pages: 127 - 139

8. Studies in the morphology and systematics of berberidaceae

   • Susumu Terabayashi

   OriginalPaper Pages: 141 - 157

9. Structure ofCyanidium caldarium

   • Katsumi Ueda
   • Junko Yokochi

   OriginalPaper Pages: 159 - 164

10. Morphology ofCoptis japonica and its meaning in phylogeny

    • Michio Tamura

    OriginalPaper Pages: 165 - 176

11. Pollen morphology ofVigna angularis (Leguminosae)

    • Hiroyoshi Ohashi
    • Hideki Takahashi

    Short Communication Pages: 177 - 180

12. Errata

    Erratum Pages: i - i

13. Errata

    Erratum Pages: i - i

14. Errata

    Erratum Pages: i - i

15. Notice

    Announcement Pages: i - i