The flower and the bee; plant life and pollination . Fig. 82. Jack-in-the-Pulpit. Arisoema tnphyllum Spathe or ensheathing leaf of pistillate flowers opened, showing fertile flowers at base of spadix FLY-FLOWERS Among the Diptera the family which most frequently visitsflowers and is of the most importance in pollination are the. Fig. 83. Dutclimans-Pipe. Aristolochia SiphoA fly-flower hover-flies or SyrphidcB. They feed on both pollen and nectar,and are found on many different species, their long tongues en-abling them to reach the nectar in many bee-flowers. Thereare several small flowers ada
The flower and the bee; plant life and pollination . Fig. 82. Jack-in-the-Pulpit. Arisoema tnphyllum Spathe or ensheathing leaf of pistillate flowers opened, showing fertile flowers at base of spadix FLY-FLOWERS Among the Diptera the family which most frequently visitsflowers and is of the most importance in pollination are the. Fig. 83. Dutclimans-Pipe. Aristolochia SiphoA fly-flower hover-flies or SyrphidcB. They feed on both pollen and nectar,and are found on many different species, their long tongues en-abling them to reach the nectar in many bee-flowers. Thereare several small flowers adapted to pollination by the hover- 171 THE FLOWER AND THE BEE flies, the most common being the speedwells, tender little herbsof the genus Veronica, which grow in our gardens, lawns, andmeadows. When June is a wet month the thyme-leaved speed-well {Veronica serpyllifolia) is abundant. The white or pale-blue petals are marked with deeper purple lines leading to thenectar; the corolla-tube is yellow and the throat is fringed with
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