ArticlesSpecial Article MULTIPLE SEEDED BURS OF XANTHIUM See allHide authors and affiliations Science 24 Aug 1923:Vol. 58, Issue 1495, pp. 145-146DOI: 10.1126/science.58.1495.145 Charles A. ShullFind 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 below.