The angiosperm embryo sac

Abstract

The greater part of this article was written during my recent tour in the United States and I wish to express my heartfelt thanks to Prof. R. H Wetmore (Harvard University), Prof. Th. Just (University of Notre Dame) Profs. C. E. Allen, C. L. Huskins, G. S. Bryan (University of Wisconsin) Prof. E. C. Abbe (University of Minnesota), Prof. E. J. Kraus (University of Chicago), Dr. G. S. Avery (Brooklyn Botanic Garden), Prof. A. F Blakeslee (Smith College), Prof. A. J. Eames (Cornell University), Prof. J. T. Buchholz (University of Illinois), Prof. A. S. Foster (University of California) and Prof. G. M. Smith (Stanford University) for the facilities which they provided for its preparation. I am also indebted to Miss Helena A. Miller (Wellesley College), Dr. L. Croizat (Arnold Arboretum), Miss Lonis Eubank, Mrs. M. S. Cave (University of California) and Dr. A. C Faberge (University of Wisconsin) for their help and cooperation.