In article <3.0.1.32.19971203084019.00694e6c at mail.trincoll.edu>,
Kathleen.Archer at MAIL.CC.TRINCOLL.EDU (Kathleen Archer) wrote:
> Does anyone have a good method for marking positions on growing leaves?
> I'm planning some simple leaf growth measurement experiments for first year
> students, and every non-water soluble marking pen I have seems to damage
> the tissue (i.e. Sharpie-type pens). Any ideas would be much appreciated.
> Kathleen Archer
I have a 2 inch by 2 inch rubber stamp pad. It marks a grid similar to
graph paper. Students have used it on leaves and as the leaf grows the
grid stretches.....looks great!
Darvin
