How to change scatter plot fonts

In the matlab code below, I have scattered points. How can i choose different scatterd fonts like * and + and set the color of theses scattered points.

    x=[0.8,1.3,2.2,2.9,3.6];
    y1=[17.22,18.9,19.74756674,21.64790459,22.77216041];
    y2=[0.07,0.11,0.163,0.27,0.29];
    [ax, h1, h2] = plotyy(x,y1,Ax,y2,'scatter');
    line(x,y1,'Parent',ax(1))
    line(x,y2,'Parent',ax(2) )
    set(ax(1),'ycolor','r') 
    set(ax(2),'ycolor','b')
Thank you very much!

Answer 1

[Rick Rosson]

   set(h1,'marker','*');
   set(h2,'marker','+');