Winter Stalkball Tulostoma brumale Pers. (illustrated 40% life size) Fruit body globose head 1–2cm across attached to a slender, fibrous stem 20–50×3–4mm; opening by a circular pore above a cylindrical, pale ochre to whitish mouth. Spores 3.5–5¼ in diameter, globose, finely warted; brown. Habitat in sandy calcareous soil or dunes, usually amongst moss, formerly found on old stone walls where lime rather than Portland cement was used in mortar; winter to early spring. Uncommon. Not edible.