Discusses hybrid strawberry–raspberry

and his research on Primula and Linum.

Suggests breeding experiments.

Doubtful about Donald Beaton’s statement about Pelargonium.

Mentions experiments on peloric flowers.

Suggests collecting seeds at different heights from British Columbia.

Describes experiment on seeds from short anthers.

C. V. Naudin writes he has discovered cause of hybrid sterility.

Convinced length of stamens has no relation to powers of fertilisation in many plants.

Suggests experiments on Pelargonium and Phlox.

Advises about use of microscope.