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The Cactaceae Plate IV . BRITTON AND ROSE VOL II Flowering stem of Cephalocereus pentczdrophorus Top of stem of Cephalocereus gounellei Top of stem of Cephalocereus bahamensis with flower Fruit of Cephalocereus deeringii All natural size Plate IV Illustration biodiversitylibrary org title Britton Nathaniel Lord