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Keywords from Image Description:
The Cactaceae Plate XVI . BRITTON AND ROSE VOL II PLATE XVI Top of flowering plant of Ferocactus hamatacantkus Flowering plant of Sderocactus whipplei Top of flowering plant of Ferocactus latispinus All natural size sLIioen Co Plate XVI Illustration biodiversitylibrary org title Britton Nathaniel Lord Rose NameFound