<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">"a commercial benefit for harvesting the willow species"<br><br>Penny,<br>
<br>
willow makes the best artist's charcoal.  here's a link from a cottage 
industry in the UK<br>
<br>
that also produces/sells willow charcoal for filtration, paint pigments 
and pyrotechnics.<br>
<br>
<a href="http://www.englishwillowbaskets.co.uk/charcoal/about.htm">http://www.englishwillowbaskets.co.uk/charcoal/about.htm</a><br>
<br>
<br>
here is an art professor's bit of history and how to for homescale 
experimenting<br>
<br>
<a href="http://www.evanlindquist.com/makecharcoal.html">http://www.evanlindquist.com/makecharcoal.html</a><br><br><span style="font-style: italic; color: rgb(0, 127, 64);"></span><br><br><div class="plainMail">              </div></td></tr></table><br>