Contribución al conocimiento de Las Salviniaceae neotropicales, II.

In the present paper, the second of the series with started with a study of the sporophyte of S. oblongifolia, the author repords some dates and adds comments of the following aspects of S. auriculata: leaf dimorphism, venation, experiments of decapitation of the submerged organs and the lateral branches; leaf anatomy with the special emphasis on the development air chambers and hair and papilla formation; ramificación of the submerged organs and its significance for the identification of S. auriculata and related species [ABSTRACT FROM AUTHOR]