Lactarius chelidonium var. chelidonium Peck 1872
It is orange-brown with a hint of blue in its smooth faintly zoned cap with inrolled margin. The cap is convex becoming orange-brown to olivacious, flat to shallowly funnel-shaped with a darker depressed central disc. The gills are pale orange becoming bluish-green and bruise or stain dark green. Stem is concolorous with the cap but paler and dry. Latex is sparse, bright orange and staining flesh deep green. Tissues also discolor greenish with handling. Spores are pale buff to yellow-orange. Found under conifers (pines) in late summer and autumn. Taste is mild to slightly peppery. Edible. This is in the Russulacae family of the Russulales order.