% \iffalse
% --------------------------------------------------------------------
%<*hex>
% \fi
% \begin{TikzKey}{hex/terrain/tree}
%    \begin{macrocode}
\tikzset{
  hex/terrain/tree/.pic={
    \path[draw,very thick,pic actions]
    (-.15,.0)
    arc (269:135:.1)
    arc (215: 90:.1)
    arc (180: 45:.1)
    arc (135:  0:.1)
    arc ( 90:-45:.1)
    arc ( 45:-90:.1)
    (-.15,.025)
    arc (60:-60:.25)
    arc (150:30:.075)
    arc (150:30:.075)
    arc (150:30:.075)
    arc (-120:-240:.25);
    
  }
}
%    \end{macrocode}
% \end{TikzKey}
% \iffalse
%</hex>
% --------------------------------------------------------------------
% \fi