FIGURE 4 in Fungi from the "Lost World": Novel Asterinaceae from the Ricardo Franco Hills (Brazil), with a worldwide key to Lembosia species on Melastomataceae

FIGURE 4. Asterina indecora on leaves of Heteropterys nervosa (Malpighiaceae) UB (Mycol. Coll.) 22733. A. Dark brown epiphyllous colony showing gregarious ascomata on top of the superficial mycelium. B. Ascoma opening by stellar dehiscence with irregular margin, but showing textura radiata. C. Branching of the appressoriate superficial hyphae, showing 1-celled lobate appressoria. D. Bitunicate immature globose ascus. E. An ascus bearing mature ascospores. F. Ascospores. Scale bars: A= 1 mm, B= 50 μm, C= 30 μm, D= 10 μm, E= 10 μm, F= 10 μm.