1. Competition between two naturalized dandelions,Taraxacum officinale weber andTaraxacum laevigatum DC., in mixed cultures with different levels of soil moisture

   • Kiyokazu Suehiro
   • Husato Ogawa
   • Kazuo Hozumi

   OriginalPaper Pages: 1 - 14

2. Dormancy inDioscorea: Different temperature adaptation of seeds, bulbils and subterranean organs in relation to north-south distribution

   • Nobuo Okagami

   OriginalPaper Pages: 15 - 27

3. Two new species of the genusMenziesia from Japan

   • Michiya Tashiro
   • Hiroaki Hatta

   OriginalPaper Pages: 29 - 36

4. Regeneration in subalpine coniferous forests

   • Mamoru Kanzaki
   • Kyoji Yoda

   OriginalPaper Pages: 37 - 51

5. Determination of minor flavonol-glycosides and sugar-free flavonols in the tepals of several species of cereoideae (Cactaceae)

   • Tsukasa Iwashina
   • Shunji Ootani
   • Kôzô Hayashi

   OriginalPaper Pages: 53 - 62

6. Flavonoids in the leaves of twenty-eight polygonaceous plants

   • Masaru Kawasaki
   • Takeshi Kanomata
   • Kunijiro Yoshitama

   OriginalPaper Pages: 63 - 74

7. Induction of androgenesis and callus formation inin vitro cultured anthers of a myrtaceous fruit tree (Psidium guajava L.)

   • Shashi B. Babbar
   • Shrish C. Gupta

   OriginalPaper Pages: 75 - 83

8. Developmental anatomy of the three-dimensional leaf ofBotrychium ternatum (Thunb.) Sw.

   • Ryoko Imaichi
   • Makoto Nishida

   OriginalPaper Pages: 85 - 106

9. Reproductive biology of the fernPhegopteris decursive-pinnata

   • Shigeo Masuyama

   OriginalPaper Pages: 107 - 121

10. Studies on the ultrastructure and taxonomy of the genusTetraselmis (Prasinophyceae)

    • Terumitsu Hori
    • Richard E. Norris
    • Mitsuo Chihara

    OriginalPaper Pages: 123 - 135