Instructs FD to plant some Oxalis seeds.

Wishes to trace the movement of an old cotyledon. Asks him to examine and compare the pulvinus of a species which moves its cotyledon greatly with one of a species that moves it only moderately.

Are the tendrils ready for heliotropic experiment yet?

No summary available.

Gives results of recently completed survey of islands in the Seychelle group mentioned in Coral reefs, 2d ed., pp. 243–4.