The trunk of E. ferox yields a kind of flour used as food; the black seeds are not edible (Fornasini). As regards the bases and the marginal toothing of the leaf-pinnules this species resembles E. laurentianus, De Wild., of Uganda and the Belgian Congo, and E. gratus, Prain, of Nyasaland. In this Mozambique plant, however, the pinnules are much shorter relatively to their width and are nearly straight. From E. Hildebrandtii, A. Br. & Bouché, which is met with from Dar-es-Salaam northwards to Mombasa, E. ferox differs in having much shorter and broader more coarsely toothed leaf-pinnules, and in having seeds with a black instead of vermilion outer coat. No specimen of E. ferox has been seen; we are, however, indebted to Professor Antonio Bertoloni for a water-colour drawing of a portion of one of the leaves on which his grandfather's original account of E. ferox was mainly based.