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An Observation on the Gametophyte of Cheiropleuria bicuspis var. integrifolia

1933; Botanical Society of Japan; Volume: 47; Issue: 553 Linguagem: Inglês

10.15281/jplantres1887.47.1

2185-3835

Takenoshin Nakai,

Flowering Plant Growth and Cultivation

of the Botanical Magazine, Tokyo, Vol.XLII (1928), I proposed a new family Cheiropleuriaceae for a single genus Cheiropleuria from the morphological stand of its sporophyte.The development of stomata cells of Cheiro pleurict is most striking.It is none of Polypodiaceae, but is Cibotium-type.The sporangium has oblique ring and four rows of cells in the stalk.It is no wonder that a fern as Cheiropleuria having such conspicuous characteristics in the sporophyte induces us to conceive the possible occurrence of noticeable characteristics in its gametophyte.In the rsland of Hachijyo this fern grows on the shady wet volcanic rocks along the clean running water.I looked for its gametophyte when I came along, but could not find even a single piece.In the sacred ground of Great Shrine of Ise, Cheiropleuria grows profusely, so, last October, I proceeded there presuming that its prothallia would be [