Letter | Published:

South Pacific Chlorophyceæ

Nature volume 166, page 75 (08 July 1950) | Download Citation

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Abstract

A REVISION of the marine Myxophyceæ of New Zealand has resulted in the addition of many species, none new, to the flora. A similar revision of the Chlorophyceæ has revealed the fact that even in this well-known group the flora of the South Pacific is probably the most profitable field for phycologists. The new discoveries include a new genus of the Ulvales with five species, three of which are restricted to Stewart Island and the southern Antarctic dependencies. In this remarkable new genus the cells, which are small in surface view, are commonly in pairs (hence it is proposed to call the genus Gemina) and are excessively elongated vertically. They are also extruded very readily from the matrix of the lamina. The other interesting feature is the manner in which the species simulate other genera of the Ulvales. Thus one species has the appearance of an Enteromorpha, two have the appearance respectively of orbicular and lanceolate species of Ulva and a fourth is like a Letterstedtia.

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Affiliations

  1. University College, Auckland, N.Z. Feb. 13.

    • V. J. CHAPMAN

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DOI

https://doi.org/10.1038/166075b0

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