Shokubutsugaku Zasshi
Online ISSN : 2185-3835
Print ISSN : 0006-808X
ISSN-L : 0006-808X
On the Structure of the Japanese Species of Cyathea
YUDZURU OGURA
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1926 Volume 40 Issue 473 Pages 307-310

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Abstract

The only species of Cyathea C. spinulosa, WALL.-is known in Japan. The stems of this species collected in different places show the remarkable structural differences in the form of meristeles, in the outline of sclerenchymatous sheaths and in the presence or absence of cortical bundles. These different characters are communicated with each other by intermediate types, and can not be considered as the specific differences. The species from Formosa, however, shows a somewhat different construction in the form of meristeles, and seems to be a different species or varity.

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© The Botanical Society of Japan
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