young, becoming yellowish with age and often developing green shades (from algae) when very old; tips flattened, colored like the branches, becoming somewhat ragged with age. flesh: stringy and very tough; whitish. odor and taste : odor not distinctive; taste slightly bitter. chemical reactions : iron salts...
flesh: whitish throughout, unchanging when sliced, or occasionally staining slightly yellowish over time. odor and taste : not distinctive. chemical reactions : ammonia negative to pinkish or orangish on cap surface; negative on flesh. koh negative to pinkish on cap surface; negative on flesh. iron salts...
to the stem; close or nearly distant; white, sometimes becoming creamy with maturity. stem: - cm long; - cm thick; white; dry; fairly smooth. flesh: white; unchanging when sliced. odor and taste : odor not distinctive; taste immediately strongly acrid. spore print : white. chemical reactions : iron salts...
and slightly acrid. dried specimens : gills, stem, and flesh turning dull, dirty yellow; cap surface retaining dull pink colors but showing yellowed flesh in the cracks. the latin species name of russula flavisiccans means "drying yellow." chemical reactions : koh on cap surface pink to orange; iron salts...
but usually bare; frequently bruising reddish brown. flesh: yellow throughout, staining purplish brown. odor and taste : not distinctive. chemical reactions : ammonia on cap surface with a pink flash, then red, then black; on flesh brown or black. koh on cap surface black; on flesh dark brown. iron salts...
ring, which is whitish to yellowish or reddish. flesh: yellowish throughout, sometimes staining pinkish; usually bluish or green in the stem base when exposed (see bottom illustration). odor and taste : not distinctive. chemical reactions : ammonia gray on cap surface. koh black on cap surface. iron salts...
purplish gray or purplish brown; bald; basal mycelium white; becoming hollow. flesh: white; unchanging when sliced. odor and taste : taste quite bitter; odor not distinctive. chemical reactions : ammonia negative on cap surface; negative on flesh. koh negative on cap surface; negative on flesh. iron salts...
reticulate ; basal mycelium yellow. flesh: yellow; staining faintly greenish blue when sliced, then slowly pinkish red. odor and taste : not distinctive. chemical reactions : ammonia negative on cap surface; negative on flesh. koh fleetingly dark gray to black on cap surface; rusty orange on flesh. iron salts...
staining on exposure, but sometimes bluing slowly and weakly. odor and taste : not distinctive. chemical reactions : ammonia green (or flashing green and then resolving to brownish or gray) on cap surface; negative on flesh. koh blackish to brownish on cap surface; negative to orangish on flesh. iron salts...