The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 533
very distinct species from North America to Bury Hill,producing bluish purple flowers in May. It appears to be of very freegrowth, producing numerous roots, some of which strike root as they trailon the ground, so that it maybe easily increased; it succeeds well in alight sandy soil, or a mixture… … 524 British Flower-Garden. as possible at other times; it also thrives and flowers well in a small pot, inwhich it may be preserved in a frame in winter, if found not to be suf-ficiently hardy; at present it is very rare, and we do not know that it isfor sale at any nursery, but it will soon become…