LettersDiscussion and Correspondence SEEDS OR TUBERS OF AQUATIC PLANTS By A. J. Pieters See allHide authors and affiliations Science 12 Oct 1923:Vol. 58, Issue 1502, pp. 286DOI: 10.1126/science.58.1502.286 A. J. Pieters Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.