efault.  
This works as a multiple of <code class="env">par("cex")</code>. 'NULL' and 'NA' are equivalent to '1.0'. Note that this does not affect annotation.</p></dd>

  <dt>cex.axis</dt>
<dd><p>magnification of axis annotation relative to 'cex'.</p></dd>

  <dt>cex.lab</dt>
<dd><p>Magnification to be used for x and y labels relative to the current setting of 'cex'. See '?par'.</p></dd>

  <dt>leg.txt</dt>
<dd><p>vector with the names that have to be used for each column of <code>x</code>.</p></dd>

  <dt>