ontains a character vector of missing taxon names.
The second one contains a character or numeric vector of nodes from a
constraint tree to which each taxon will be assigned.</p></dd>

<dt>A character vector</dt>
<dd><p>It contains the names of the missing taxa.
They will be added at random to the constraint tree.</p></dd>


</dl></dd>


<dt>ncalibration</dt>
<dd><p>The node calibrations: a phylo object with branch lengths
proportional to time; in this case all nodes from ncalibration will be used
as calibr