I can't add this reference, since the publication doesn't pull up:
Looking at the Biodiversity Heritage Library, the work seems to consist of 4 volumes, published (in about 24 installments) from 1884-86:
http://www.biodiversitylibrary.org/bibliography/55103#/summary

'Cassell's Popular Gardening', edited by D.T. Fish, published by Cassell & Co., Ltd., Vol.3, Pt.13, 1886, p.150

Perfection de Monplaisir. -- Bright canary-yellow, soft and rich.