Leaves
— The variation in the number of leaves in the whorl and of the margin has already been alluded to.
In Bull. del Laboratorio ed Orto Botanico da Siena. Fasc., 2-3 (1898), Prof. Tassi describes, and at Tav. xii figures, a new fungus (Macrophoma Macadamiæ, n. sp.) on this tree.