Russula. Pileus 3cm., expanded, umbilicate, disc slightly floccose, scaly, cinnamon buff shading to white, narrow striate margin, slightly viscid pellicle, not easily separable, flesh thin, taste mild then amygdaline with a trage of acrid Gills white, adnate to slightly decurrent, subdistant Stipe white, slightly stained or brownish below, 3.5cm X 5mm, above expanding to 7.5mm. below On mossy bank in forest along quebrada Costa Rica, San José prov., Guayabillos, 2300m. 7-7-36 Dodge & Goerger