Description of five new species of uredinales collected in the Amazons of Brazil

Abstract

Five species of Uredinales, considered new, were collected in the Amazon region of Brazil and catalogued in the Herbarium of the Department of Phytopatholo gy, Instituto de Pesquisas e Experimentação Agropecuárias do Norte. They are Porotenus memorae, Sco pella amazonensis, Uredo aristolochiae. Uredo jaranae, Uredo retangulata. Discriptions along with drawings of the principal structure are presented.