1. Recent developments in the cell and molecular biology of root hairs

   • Robert W. Ridge

   Minireview Pages: 399 - 405

2. Developmental genetics of leaf morphogenesis in dicotyledonous plants

   • Hirokazu Tsukaya

   Minireview Pages: 407 - 416

3. Tsuga shimokawaensis, a new species of permineralized conifer leaves from the Middle Miocene Shimokawa Group, Hokkaido, Japan

   • Midori Matsumoto
   • Takeshi Ohsawa
   • Makoto Nishida

   Original Articles Pages: 417 - 428

4. Molecular phylogeny and evolution of the AsianAconitum subgenusAconitum (Ranunculaceae)

   • Yoko Kita
   • Kunihiko Ueda
   • Yuichi Kadota

   Original Articles Pages: 429 - 442

5. Dioecy in the endemic genusDendrocacalia (Compositae) on the Bonin (Ogasawara) Islands

   • Makoto Kato
   • Hidetoshi Nagamasu

   Original Articles Pages: 443 - 450

6. Electrophoretic variation of the apogamousDryopteris varia group (Dryopteridaceae)

   • Su-Juan Lin
   • Masahiro Kato
   • Kunio Iwatsuki

   Original Articles Pages: 451 - 456

7. Studies on cessation of cytoplasmic streaming under K⁺-induced depolarization inNitella axilliformis

   • Teruo Shimmen
   • Munehiro Kikuyama
   • Masashi Tazawa

   Original Articles Pages: 457 - 462

8. Purification of cationic peroxidases bound ionically to the cell walls from the roots ofZinnia elegans

   • Yasushi Sato
   • Munetaka Sugiyama
   • Hiroo Fukuda

   Original Articles Pages: 463 - 468

9. Effects of reduction of auxin and destruction of microtubules on cell wall proteins and cell morphology of the BY-2 line of tobacco cells

   • Kazuyoshi Iwata

   Original Articles Pages: 469 - 476

10. The conservation ecology ofIris rossii Baker (Iridaceae), a threatened plant in rural Japan

    • Kazuaki Naito
    • Nobukazu Nakagoshi

    Original Articles Pages: 477 - 482

11. Distribution pattern of air pollution and epiphytic lichens in the Osaka Plain (Japan)

    • Nobuo Hamada
    • Hiromi Miyawaki
    • Akio Yamada

    Original Articles Pages: 483 - 491

12. Chloroplast DNA typing by PCR-SSCP in thePinus pumila-P. parviflora var.pentaphylla complex (Pinaceae)

    • Yasuyuki Watano
    • Michio Imazu
    • Tatemi Shimizu

    Original Articles Pages: 493 - 499

13. Nuclear behavior during branch formation in a centrifugedAdiantum protonema and the nuclear polarity

    • Masamitsu Wada

    Original Articles Pages: 501 - 509

14. Morphological and phenological characteristics of leaf development ofDurio zibethinus Murray (Bombacaceae)

    • Kazuharu Ogawa
    • Akio Furukawa
    • Muhamad Awang

    Original Articles Pages: 511 - 515

15. Structural and systematic study of an unusual tracheid type in cacti

    • James D. Mauseth
    • Yoriko Uozumi
    • James V. Landrum

    Original Articles Pages: 517 - 526

16. Effect of low-humidity treatment on growth of the lichenParmotrema tinctorum in a growth cabinet

    • Makoto Bando
    • Mamoru Sugino

    Short Communication Pages: 527 - 529

17. Regulation of the orientation of cortical microtubules inSpirogyra cells

    • Kazuyosh Iwata

    Short Communication Pages: 531 - 534