Sori and teliospores of Puccinia: a, b. Puccinia graminis on Berberis vulgaris: a. Punctiform spermatogonia in conspicuous orange or red leaf spots on the upper side of the leaf; b. Cup-shaped aecia with white peridium on the lower side of the leaf, producing orange aeciospores; c–e. Puccinia graminis on Poaceae: c. Uredinia with rust-brown, pulverulent urediniospores on Secale cereale; d. Culm of Lolium giganteum with telia containing densely packed blackish-brown teliospores; e. Overwintering 2-celled teliospore with stalk cell and well visible globose nuclear areas in both cells; f. Puccinia moliniae on Molinia (Poaceae); three germinated teliospores with phragmobasidia bearing young basidiospores (arrows) on sterigmata; (c by Julia Kruse; d, e by Walter Obermayer; f edited after Tulasne 1854: pl. 9).