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Keywords from Image Description:
Fossil vegetable Phytolithus Derbyshire. of petrifactions By William Martin Fossil PHYTOLITHUS sulcatus Graminis trunci cylindrici simplicis articulis longitudinaliter sulcatis google co uk id EIAAAAAQAAJ ots cBeiDI dq petrificata derbiensia pg PR onepage false Plate William Martin PDold Collections of Derby Museum and Art Gallery