Split Fibrecap Inocybe rimosa (Bull.) P. Kumm. syn. I. fastigiata (Schaeff.) Quél. (illustrated 50% life size) Cap 2–10cm across, conical or bell-shaped with prominent umbo, splitting radially on expanding; straw-yellow or buff; covered in long, silky fibres. Stem 30–90×4–12mm, no bulb; white at apex, pale buff below. Flesh white, unchanging; taste mild with bitter aftertaste, smell slight, mealy. Gills adnexed or adnate; yellowish-clay, edge white. Spores 9–12×4.5–7¼, bean-shaped, smooth. Spore print walnut-brown. Cheilocystidia cylindrical, without encrustation, thin-walled. Habitat in deciduous woodland especially beech woods; early summer to late autumn. Common. Poisonous. Note I have adopted the earlier name.