An object of class \code{"phylo"} (\code{[[}, \code{$}) or of class
\code{"multiPhylo"} (\code{[}), or NULL.
}
-\author{Ben Bolker \email{bolker@zoo.ufl.edu} and Emmanuel Paradis
- \email{Emmanuel.Paradis@mpl.ird.fr}}
+\author{Ben Bolker \email{bolker@zoo.ufl.edu} and Emmanuel Paradis}
\seealso{
\code{\link{read.tree}}, \code{\link{summary.phylo}},
\code{\link[base]{print}} for the generic R function