Volume 3 Number 1 Three new combinations in Barbacenia (Velloziaceae). Renato Mello-Silva……...1 New combinations in the genus Cattleya Lindl. (Orchidaceae). Cássio van den Berg………………………………………………………………………………….…3 Re-establishment, synopsis and new combinations in the genus Bionia Mart. ex Benth. (Leguminosae: Papilionoideae)…………………………………...………..13