News & CommentScientific Events

THE SOUTHWEST ARBORETUM OF THE BOYCE THOMPSON INSTITUTE FOR PLANT RESEARCH

+ See all authors and affiliations

Science  19 Apr 1929:
Vol. 69, Issue 1790, pp. 419
DOI: 10.1126/science.69.1790.419

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview