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Clover (Trifolium subterraneum)

Clover with Roots Showing Nitrogen Fixing

Clover with Roots Showing Nitrogen Fixing

Codeine Crystals

Codeine Crystals

Cold Frames with Greens

Cole Reading Room, 1920s

Collard Green: Brassica oleracea

College Hall--A University is Born

Colocasia esculenta (California Elephant Ear) leaf

Columbine from Out Back

Combining

Combining Rye

Common Moss

Common Moss

Common Moss

Common Moss (Dicranum montanum)

Common moss (Digitaria)

Common moss (Digitaria)

Common Moss (Polytricum commune)

Common Moss (Polytricum commune)

Common moss(dicranum montanum)

Common Room in Dean Eaton

Common threads : some events seem like coincidences but honest inspection reveals a logical explanation