The Philippine herbarium used by F.M. Blanco for the ‘Flora de Filipinas’ (1837-1883) is said to have disappeared (Merrill, 1903), but remnants would remain in a few European herbaria. Most often MA is mentioned, e.g. by Colmeiro y Penido (1875), in the ‘Jardin Botanico de Madrid’ (1930:20-22) (fide Quisumbing, 1954, p. 45), and by Lanjouw & Stafleu (1954).