/r/base/order.html" class="external-link">order</a>:
which of the items on the tree-plot should be "first" (e.g: most left),
second etc. (this is relevant only to <code>rotate</code>)
Is character: it must be a vector with the content of labels(x), in the
order we'd like to have the new tree.</p></dd>


<dt id="arg-phy">phy<a class="anchor" aria-label="anchor" href="#arg-phy"></a></dt>
<dd><p>a placeholder in case the user uses "phy ="</p></dd>


<dt id="arg-decreasing">decreasing<a class="anchor" aria-labe