Line drawings of Erysiphe necator var. necator A: A Chasmothecium, B: Hooked appendages, C: Asci, D: Ascospores, E: A foot cell, F: A Conidium, G: A germinating conidium, H: Appressoria, I: Foot cell along with a shorter cell. Scale Bars: A–D = 40 μm, E = 10 μm, F = 17 μm, G = 20 μm, H = 4 μcm, I = 7 μm.