FIGURE 2 in Four new species of Arthothelium (Arthoniales, Ascomycetes) from Africa and Socotra

FIGURE 2. New species of Arthothelium from Africa and Socotra. Arthothelium frischianum (A−F, holotype), Arthothelium miesii (G−N, holotype). A−B, G−H. Thallus with apothecia. C, I. Ascus in water. D−F, J−N. Ascospores. Scale in A, G = 1000 μm, in B, H = 500 μm, in C = 25 μm, in D−F, I = 10 μm, in J−N = 5 μm.