Pollen-Tube Growth of Ten Species of Datura in Interspecific Pollinations Buchholz, J. T. ; Williams, L. F. ; Blakeslee, A. F. Abstract Publication: Proceedings of the National Academy of Science Pub Date: December 1935 DOI: 10.1073/pnas.21.12.651 Bibcode: 1935PNAS...21..651B