0625th

Updated: June 18, 2025

But the leaflets are more divided, and each segment whilst young terminates in a hardish point, which is much curved downwards and inwards; so that the whole leaf readily catches hold of any neighbouring object. The petioles of the young terminal leaflets are acted on by loops of thread weighing 0.125th and even 0.0625th of a grain.

Charles Darwin - The Movements and Habits of Climbing Plants