Lanzia luteovirescens

Lanzia luteovirescens (Roberge ex Desm.) Dumont & Korf syn. Rutstroemia luteovirescens (Roberge ex Desm.) W.L. White (illustrated life size) Cup up to 4mm across, concave at first then flattened, attached by a stalk up to 12mm long; inner surface olivaceous yellow-buff, outer similarly coloured, smooth. Spores 12–15×5–7¼, elliptical, often containing 2 oil drops. Asci 150–12¼. Habitat on petioles of fallen sycamore leaves. Occasional. Not edible.