Pisolithus arhizus

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By Roger Phillips

Published 2006

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Dyeball Pisolithus arhizus (Scop.) Rauschert syn. P. tinctorius (Pers.) Coker & Couch (illustrated 35% life size) Fruit body 6–12cm across, 5–25cm high, narrowing into a thick, stem-like base buried in the ground; ochraceous to olive-brown, resembling balls of horse dung, with chrome-yellow markings on the buried part; outer wall very thin, becoming brittle at maturity, readily breaking apart. Periodoles stony, gravel-like, dark brown. Spores 7–11.5¼ in diameter, globose, warted; cinnamon-brown. Habitat in sandy or well-drained gravelly soil in fields or roadsides; autumn. Rare, vulnerable on Red Data List. Not edible.