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Keywords from Image Description:
Nutting Plate XIII. en Thecocarpus niger Lytocarpia nigra Nutting three hydrothecae Thecocarpus niger Lytocarpia nigra one hydrotheca greatly enlarged Thecocarpus niger Lytocarpia nigra part of stem showing nernatophores and hydrocladial origin Thecocarpus niger Lytocarpia nigra corbula Thecocarpus niger Lytocarpia nigra section