4. Various species of insects visit the flowers for pollen.

5. It seems that pollination is effected in many cases by the

transfusal of pollen from the leg of the insect, where it is being

carried, to the stigma of the stamen upon which it is supporting

itself. The function suggested by Professor Todd for the incurved petal

seems to the writers entirely improbable.

BOTANICAL LABORATORY, UNIVERSITY OF KANSAS,

SEPTEMBER 28, 1901.

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