Isopyrum
(from isos, equal, and Pyros, Wheat; a Greek name applied to another plant). Including Enemion and Leptopyrum. ORD. Ranunculaceae. This genus contains about seven species of dwarf, slender perennial herbs, natives of the temperate regions of the Northern hemisphere. Flowers white, solitary or loosely paniculate. Leaves ternate, decompound; leaflets stalked, three-lobed, or cut, membranous. The only species in cultivation is I. thalictroides, which is a very graceful little subject, with foliage resembling a Maidenhair Fern. It looks extremely pretty when grown on rockwork or a border, and thrives in almost any moderately good garden soil. Propagated by seeds; or by division of the roots, in autumn.
I. thalictroides (Thalictrum-like).* fl. white, small; sepals blunt. Spring. l., leafstalks dilated at the base into membranous auricles. Root creeping, fascicled, or grumose. h. 9in. to 15in. Europe, 1759.