Let us then take a careful look at these queer little homely flowers, and for the time being consider them as mere devices—first, to insure the visit of an insect, and second, to make that insect the bearer of the pollen from one blossom to the stigma of another. Here we see a flower with three distinct welcomes on three successive days.
A FLOWER WITH THREE WELCOMES.
A. First Day's Welcome—Stigma at the Doorway.
A¹. First Day—Sectional View.
B. Second Day's Welcome.—Stigma bent downward beneath two withered Stamens at Doorway.
B¹. Second Day—Sectional View.