Images Dated 13th June 2000

Foxglove seed coat. Coloured scanning electron micrograph (SEM) of the testa or seed coat of a foxglove seed, Digitalis purpurea. The testa has an irregular honeycomb-like structure

SEM of diatoms and blue-green algae
Diatoms & blue-green algae. Coloured scanning electron micrograph (SEM) of groups of Navicula sp. diatoms (brown). Also seen in the image are strands of blue-green algae (blue)

SEM of blue-green algae
Blue-green algae. Coloured scanning electron micrograph (SEM) of Oscillatoria sp. filamentous blue-green algae

Tiger lily pollen
Pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a tiger lily plant (Lilium tigrium)

SEM of pansy petal
Pansy petal. Coloured scanning electron micrograph (SEM) showing papillae on the petal of a pansy flower, Viola cornuta. Papillae are projections from epidermal cells

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