Dictionary.net

large genus of fungi with stout stems and white spores and neither annulus nor volva; brittle caps of red or purple or yellow or green or blue; differs from genus Lactarius in lacking milky juice

large genus of fungi with stout stems and white spores and neither annulus nor volva; brittle caps of red or purple or yellow or green or blue; differs from genus Lactarius in lacking milky juice

rus'[=u]-la, n. a genus of hymenomycetous fungi--so called from the colour of the pileus in some. [Low L. russulus, reddish--L. russus, red.]