Rhytisma andromedae. A. Habit of young stromata on living leaves, and of stroma with open ascomata on dead fallen leaf. B. Part of leaf with stroma and ascomata viewed through a hand lens. C. Detail of split region of ascoma viewed with a dissecting microscope. D. Part of stroma with part of young ascoma in vertical transverse section. E. Asci, ascospores and paraphyses. F. Conidiomata in vertical section. G. Conidiogenous cells and conidia.
