(Ranunculaceae). Meadow Rue. Genus of about 130 species of rhizomatous or tuberous clump forming perennials, grown for their divided foliage and fluffy flower heads. Found by streams, in meadows and in moist, shady, often mountainous areas worldwide except Australasia, mainly in N. temperate regions. The usually erect stems bear alternate, ternate, sometimes glaucous leaves with lobed or toothed leaflets. The many tiny petalless flowers are borne in axillary or terminal corymbs, racemes or panicles. They have petal like sepals and often numerous showy stamens and pistils and 4-5 sepals. Good at edges of woodland gardens. Lovely foil plant at back of borders. Cool, moist, humus rich soil best in shade or part shade.