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 232
lower having yet another shoot fromits centre, and above this a second flower, exactlyresembling the first, having five stamens and anthers, with an appearance, ofpollen contained in them. It happened upon this occasion, that these singular facts were illustrated bythe exhibition of a specimen of…