Fig. 2.

Internal sorus structure of Anthracoidea nepalensis (IBAR 0619). A. Transverse section through the sorus. B. Enlarged area close to the achene surface. Abbreviations: n — rudimentary achene, e — dark layer of the remnants of the achene epidermis, h — layer of sporogeneous hyphae, s — layer of young hyaline spores, m — layer of gradually maturing dark spores. Bars: A = 20 µm, B = 10 µm.