\usepackage {pstcol}
\begin{pspicture}(0,0)(4,2)\showgrid
 \psellipse[linecolor=green,
            fillstyle=vlines,
            hatchangle=0]
            (1,1)(1,0.5)
 \pswedge[fillstyle=solid,
          fillcolor=lightgray]
         (2.5,1){1}{0}{120}
\end{pspicture}