When I photographed the flowers--a cousin of the black or brown-eyed Susan-- I had no idea that the plant was being harvested by aphids. At a distance the stems appeared to have brown haris. It was not until I looked at the image on my screen that I discovered "the other world." I had an experience akin to 17th-18th century microscopists. No wonder Charles II wanted Boyle to make more drawings for him of the minute world that was discovered through the wonderful new instrument, the micoscope.
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