title: Pollen[mdash]Stigma Signaling in the Sporophytic Self-Incompatibility Response.
authors.affiliation: Section of Plant Biology, Division of Biological Sciences, Cornell University, Ithaca, New York 14853.
authors.forename: J. B.
authors.initials: JB
authors.lastname: Nasrallah
authors.forename: M. E.
authors.initials: ME
authors.lastname: Nasrallah