small mushroom, solitary, in lawn under walnut? ST: white, long-clavate, no ring, around 70 x 4-6 mm CAP: ellip, white with brown disc and minute scales, veil remnants on margin, broad umbo, finely striate near margin, about 20-30 mm VEIL: partial GILL: totally free, white SPORE: clear, smooth, elliptical, apiculate, nonamyloid