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XI.—The Occurrence in the Uredinales of Species with Unstable Life-History*
Published online by Cambridge University Press: 11 June 2012
Extract
In his work on the “Present Evolutionary Tendencies and the Origin of Life Cycles in the Uredinales”, Jackson (1913, p. 7) has pointed out that the general impression among mycologists, until quite recently, has been that the life cycles in existing species of rust are quite definitely fixed. In a review of the small amount of literature that has appeared on this subject, he has shown that this conception is not altogether true, and that it is not at all difficult to find species of rusts which exhibit evidence of being in an unstable condition with reference to life-history. As the literature which he has quoted is almost exclusively American and deals with American species only, it might be inferred that this instability of life-history is not found elsewhere. The purpose of this paper is to review the European literature on this subject, and to describe the occurrence in Great Britain of four rust species of which the life-history is in an unstable condition.
- Type
- Research Article
- Information
- Proceedings of the Royal Society of Edinburgh, Section B: Biological Sciences , Volume 63 , Issue 2 , 1948 , pp. 177 - 187
- Copyright
- Copyright © Royal Society of Edinburgh 1948
Footnotes
This paper was assisted in publication by a grant from the Carnegie Trust for the Universities of Scotland.