1
Manuscript received Dec. 7, 1961.
2
California Water Resources Center Contribution Number 10, Reprint Series.
This content is only available as a PDF.
© 1962 American Society of Plant Biologists
This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)
© 1962 American Society of Plant Biologists
