Boltonia
(named after J. B. Bolton, an English professor of botany). ORD. Compositae. A genus of rather pretty hardy herbaceous perennials. Flower-heads with white or purplish rays. Leaves pale green, lanceolate, sessile. They thrive in common garden soil. Propagated by divisions of the roots, in March. B. asteroides (Aster-like).* fl.-heads flesh-coloured, stellate, disposed in a rather large terminal panicle. August. l. all entire, somewhat broadly lanceolate, narrowed at both ends. h. 2ft. North America, 1758. (B. M. 2554.) B. glastifolia (Woad-leaved).* fl.-heads pink. September. l., lower ones serrated. h. 1 1/2ft. North America, 1758. (B. M. 2381.)