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XXII.—The Autecology of Bracken (Pteridium aquilinum (L.) Kuhn): The Germination of the Spore, and the Development of the Prothallus and the Young Sporophyte*

Published online by Cambridge University Press:  11 June 2012

Elsie Conway
Elsie Conway
Affiliation:
Department of Botany, University of Glasgow.
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Extract

The rapid spread of bracken in some parts of the country has led to considerable investigation into the habits of the plant. But in almost all cases it is the spread of the adult sporophyte which has been described, and little attention has been paid to the insignificant, complementary half of the life cycle—the prothallus. Nor does any attempt appear to have been made to assess the rate of development of the prothallus and the young sporeling. A recent attempt to collect records of the occurrence of prothalli and young sporophytes in the field has shown how seldom they are found, and has emphasised the fact that little is known of the extent to which the plant spreads by the initiation of new colonies from spores (White, 1930).

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh, Section B: Biological Sciences , Volume 63 , Issue 3 , 1949 , pp. 325 - 343
Copyright
Copyright © Royal Society of Edinburgh 1949

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Footnotes

*

This paper was assisted in publication by a grant from the Carnegie Trust for the Universities of Scotland.

References

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