Morfologia do polén anemófilo e alergizante no Brasil: II. Polygonaceae, Amaranthaceae, Chenopodiaceae, Leguminosae, Euphorbiaceae e Myrtaceae

in continuation to the first part of this catalogue (barth et al., 1975), the morphology of the pollen grains of the anemophilous species of six additional families is studied, their correct identification being relevant to studies concerning air pollution and allergic processes, chiefly of the respiratory tract.