CONTENTS

Invited article

Kato, M.
Classification, molecular phylogeny, divergence time, and morphological evolution of pteridophytes with notes on heterospory and monophyletic and paraphyletic group ....111

Yatabe, Y., N. Murakami & K. Iwatsuki
Claytosmunda; a new subgenus of Osmunda (Osmundaceae) ....127

Tsukaya, H. & H. Okada
Thismia mullerensis (Burmanniaceae), a new species from Muller Range, Central Kalimanta ....129

Ha¨kkinen, M., M. Suleiman, M. & J. Gisil
Musa beccarii (Musaceae) varieties in Sabah, northern Borneo ....135

Yukawa, T., K. Kita, T. Handa, T. Hidayat & M. Ito
Molecular phylogenetics of Phalaenopsis (Orchidaceae) and allied genera: Re-evaluation of generic concepts ....141

Shimizu, K., S. Fujii, K. Marhold, K. Watanabe & H. Kudoh
Arabidopsis Kamchatica (Fisch. ex DC.) K. Shimizu & Kudoh and A. kamchatica subsp. kawasakiana (Makino) K. Shimizu & Kudoh, new combination ....163

Seo, A., F. Nobushima & N. Murakami
Genetic status of Angelica japonica var. boninensis (Umbelliferae) distributed in the Bonin and the Daito Island ....173

Yano, O. & T. Hoshino
Molecular phylogeny and chromosomal evolution of Japanese Schoenoplectus (Cyperaceae), based on ITS and ETS 1f sequences ....183

Short communication

Azuma, H., M. Toyota & Y. Asakawa
Floral scent chemistry and stamen movement of Chimonanthuspraecox (L.) Link (Calycanthaceae) ....197

Okada, H., H. Tsukaya & M. Mohamed
Chromosome observations in species of Cayratia (Vitaceae). II. Intraspecific polyploidy in C. trifolia ....203