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The Cactaceae Plate XXXVIII . BRITTON AND ROSE VOL II PLATE XXXVIII Eaton Fruiting branch of Selenicereus pteranthus Flowering branch of Selenicereus spinulosus Flowering branch of Weberocereus panamensis All natural size Plate XXXVIII Illustration biodiversitylibrary org title Britton Nathaniel Lord Rose NameFound