Macrophotograph of an inflorescence, or flowering shoot, of Cocksfoot grass Dactylis glomerata releasing its pollen in a breath of wind. The yellow dangly structures are the anthers, the pollen-producing bodies of the flower. The anthers are suspended on the ends of threadlike stamens, both structures together forming the male reproductive organ. There are many strains of this common roadside, meadow & wasteground grass. They flower from June to September, producing large quantities of pollen, which is dispersed by the wind. The pollen is responsible for the seasonal allergy known as hayfever. Magnification: X0.2 at 35mm, x0.36 at 6x7cm size. (KEYSTONE/SCIENCE PHOTO LIBRARY/DR JEREMY BURGESS.)
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