1. Tissue culture inHaworthia

   • Yasunari Ogihara

   OriginalPaper Pages: 163 - 171

2. Germination and photo-induction of polarity in the spherical cells regenerated from protoplasm fragments ofBoergesenia forbesii

   • Kimiharu Ishizawa
   • Sachito Enomoto
   • Shunji Wada

   OriginalPaper Pages: 173 - 186

3. Thyrsopterorachis, gen. nov., a tree fern rachis from the upper cretaceous of Hokkaido, Japan

   • Harufumi Nishida
   • Makoto Nishida

   OriginalPaper Pages: 187 - 195

4. Morphological studies on the genusClematis Linn

   • Hiroshi Tobe

   OriginalPaper Pages: 197 - 215

5. Studies in the cyperaceae of Thailand

   • Tetsuo Koyama

   OriginalPaper Pages: 217 - 233

6. The course of resin canals in the shoots of conifers

   • Mitsuo Suzuki

   OriginalPaper Pages: 235 - 251

7. The course of resin canals in the shoots of conifers

   • Mitsuo Suzuki

   OriginalPaper Pages: 253 - 274