Pileus 50˗90 mm diameter, convex with an incurved margin at first then flat with a slightly depressed center, reddish orange when young, turning reddish brown at maturity, center more darkly colored compared to margins, cap surface appears velvety when young, then smooth with age, wrinkled towards margins. Lamellae slightly decurrent, crowded, reddish when young, turning whitish yellow at maturity, exudes creamy to whitish milk on cutting, bruising brown. Stipe 30‒60 × 10‒15 mm, central, tapered towards base, concolorous with cap with a lighter upper portion and a darker basal portion, stuffed, context cream colored.
Basidiopores 7.5‒9 × 7‒8.5 µm, globose to sub globose, reticulated, reticulum complete, with prominent apiculus. Basidia 35‒60 × 10‒12 µm, clavate to clylinderical, thin-walled, 4-spored. Cystidia two types viz., pleuromacrocyatidia and cheilocystidia. Pleuromacrocystidia large and numerous, 50‒100 × 7.5‒10 µm, sub cylindrical to sub fusiform with pointed ends, thick-walled, walls up to 3 µm. Cheilocystidia shaped like pleuromacrocystidia but smaller in size, 30‒60 × 6‒8 µm. Pileipellis composed of irregular cells, which appears to be lamprotrichoderm. Pileocystidia 50‒100 × 2.5‒3.3 µm, cylindrical to setiform, scattered. Context composed of sphaerocytes, 25‒30 µm.
Source. Khan, J. and H. Sher. 2016. Lactifluus volemus: An Addition to the Fungi of Pakistan. Int. J. Agric. Biol., Vol. 18, No. 6, 2016