1. Editorial

   Pages: 0001 - 0001

2. Regulation of proton-to-electron stoichiometry in photosynthetic electron transport: physiological function in photoprotection

   • T. Shikanai
   • Y. Munekage
   • K. Kimura

   MINIREVIEW Pages: 0003 - 0010

3. Genetic diversity and origin of Potamogeton anguillanus (Potamogetonaceae) in Lake Biwa, Japan

   • S. Iida
   • Y. Kadono

   ORIGINAL ARTICLE Pages: 0011 - 0016

4. Cytological study of Tibetia (Fabaceae) in the Hengduan Mountains region, China

   • Z. L. Nie
   • Z. J. Gu
   • H. Sun

   ORIGINAL ARTICLE Pages: 0017 - 0022

5. Growth promotion and an increase in cell wall extensibility by silicon in rice and some other Poaceae seedlings

   • M. T. Hossain
   • R. Mori
   • T. Hoson

   ORIGINAL ARTICLE Pages: 0023 - 0027

6. Genetic variation in populations of the morphologically and ecologically variable fern Stegnogramma pozoi subsp. mollissima (Thelypteridaceae) in Japan

   • Y. Yatabe
   • J. E. Watkins
   • N. Murakami

   ORIGINAL ARTICLE Pages: 0029 - 0038

7. Tension wood fibers are related to gravitropic movement of red mangrove (Rhizophora mangle) seedlings

   • J. B. Fisher
   • P. B. Tomlinson

   ORIGINAL ARTICLE Pages: 0039 - 0045

8. Floral scent chemistry of mangrove plants

   • H. Azuma
   • M. Toyota
   • H. Tobe

   ORIGINAL ARTICLE Pages: 0047 - 0053

9. Temperature dependence of seedling establishment of a perennial, Dioscorea tokoro

   • X. Zhong
   • E. Nishino
   • N. Okagami

   SHORT COMMUNICATION Pages: 0055 - 0057

10. Optical and anatomical characteristics of bracts from the Chinese "glasshouse" plant, Rheum alexandrae Batalin (Polygonaceae), in Yunnan, China

    • H. Tsukaya

    SHORT COMMUNICATION Pages: 0059 - 0063

11. Development of primer sets for PCR amplification of the PgiC gene in ferns

    • H. Ishikawa
    • Y. Watano
    • S. Kurita

    TECHNICAL NOTE Pages: 0065 - 0070