Pileus 10-80 ram broad, 10 mm high, conic to convex becoming subconic to broadly conic or even plane, apiculate to acutely umbonate at all times; surface glabrous to silky appressed-fibrillose, rarely obscurely fibrillose-scaly on the margin, dry, hygrophanous, appearing atomate or micaceous on fading, at times obscurely wrinkled or corrugate; light brown or yel- lowish-brown (5-6, C-D, 4-6; “Olive Brown,” “Buffy Brown,” “Deep Olive Buff,” or “Sac- cardo’s Umber”) at first, becoming pale orange to grayish orange to grayish yellow (4-5, A-B, 2-3; “Olive Buff,” “Warm Buff,” “Light Buff,” “Cream Buff,” “Colonial Buff,” to near “Chamois” or “Honey Yellow”), apiculus often brighter than the remaining portion; margin incurved to decurved, at times flared, typically eroded and rimose with age, translucent-striate when moist; context 1-3 mm thick, almost white to “Pale Olive Buff,” unchanging; taste unpleasant to slightly bitter, at times not distinctive; odor not distinctive. Lamellae: narrowly adenxed or ascending adnate, close to subdistant, at times distant, 3-5 mm broad, 9-15 mm long, white to pallid (“Deep Olive Buff”) becoming pinkish (“Vinaceous Buff,”) “Tilleul Buff,” “Pinkish Buff,” “Light Pinkish Cinnamon,” “Wood Brown,” to “Drab”); margin entire, concolorous. Stipe: 35-100 mm long, 3-7 (-15) mm broad at the apex; equal or taper- ing in either direction; terete to occasionally compressed and grooved; surface pruinose on the upper two-thirds to one-half, at times completely so, otherwise glabrous to appressed-fibrillose, longitudinally-striate; pale yellow to light yellow or pale orange to light orange (4-5, A-B, 2-3, “Pale Olive Buff,” “Deep Olive Buff,” “Olive Buff,” “Warm Buff,” “Pale Ochraceous Buff”); context stuffed then hollow, concolorous with the pileal context, unchanging when bruised; basal tomentum white and abundant.

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