1. Genetic variation in the ‘Japanese apogamous form’ of the fernAsplenium unilaterale Lam.

   • Yasuyuki Watano
   • Kunio Iwatsuki

   OriginalPaper Pages: 213 - 222

2. Morphology of the petal inAconitum

   • Keiko Kosuge
   • Michio Tamura

   OriginalPaper Pages: 223 - 237

3. Examination of the type materials ofNavicula subtilissima Cleve (Bacillariophyceae)

   • Hiromu Kobayasi
   • Tamotsu Nagumo

   OriginalPaper Pages: 239 - 253

4. Life cycle, behavior and morphology of a new tide pool dinoflagellate,Gymnodinium pyrenoidosum sp. nov. (Gymnodiniales, Pyrrhophyta)

   • Takeo Horiguchi
   • Mitsuo Chihara

   OriginalPaper Pages: 255 - 265

5. Quantitative comparison of foliage development amongDryopteris monticola, D. tokyoensis and a putative hybrid,D. kominatoensis in Northern Japan

   • Toshiyuki Sato
   • Shiro Tsuyuzaki

   OriginalPaper Pages: 267 - 280

6. Development of shoot inHydrangea macrophylla I. Terminal and axillary buds

   • Tian Su Zhou
   • Noboru Hara

   OriginalPaper Pages: 281 - 291

7. Anatomy and affinities of the petrified plants from the tertiary of chile V

   • Makoto Nishida
   • Harufumi Nishida
   • Toshitaka Nasa

   OriginalPaper Pages: 293 - 309

8. Taxonomic studies of the genusPoa of Japan

   • Tuguo Tateoka
   • Hidehisa Koba

   OriginalPaper Pages: 311 - 331

9. Fluorescent chromosome banding inLarix leptolepis (Pinaceae)

   • Masahiro Hizume
   • Kazuo Tominaga
   • Akio Tanaka

   Short Communication Pages: 333 - 336