La vegetación de la alianza Andryalion agardhii Rivas-Martínez 1961

Se realiza un estudio f¡tosociológico de la alianza Andryalion agardhii endémica de las montañas béticas, dentro de la cual se reconocen tres asociaciones: Andryalo-Convolvuletum boissieri Quézel 1953 nom. inv., Helianthemo frigiduli-Pterocephaletum spathulatae as. nova y Scorzonero albicansis-Pteracephaletum spathulatae as. nova.

The Afroporteña press and Afro-Argentine’s thought in the late nineteenth century

The journalistic boom that occurred in Argentina from the second half of the nineteenth century saw the emergence of an active afroporteña press that defend the interests of the black community. This paper, in addition to reviewing the history of the Afro-Argentines newspapers, emphasizes the role played by the elite of African descent in the promotion of modernity among his brothers, while exploring the possible bases for an identity in the ideas spread.