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Keywords from Image Description:
The Cactaceae Plate XIII . BRITTON AND ROSE VOL II Eaton dp Top of flowering branch of Leptocereus arboreus Top of stem of Lemaireocereus griseus Fruiting branch of Mediocactus coccineus All natural size Plate XIII Illustration biodiversitylibrary org title Britton Nathaniel Lord Rose NameFound Lemaireocereus griseus