Similar changes occur in Plantago major, P. lanceolata, Ajuga reptans, dandelion, daisy, dahlia and in umbelliferous plants.
Amoena, amoena spectabilis, magnifica, paronychioides major aurea and amabilis; Alyssum maritimum variegatum; some of the dwarf varieties of Antirrhinum majus; Arundo Donax variegata; Begonias; Calceolarias; Cannas; Centaurea ragusina; Clematises, of which the hybrids of the Jackmanni type are best; Dahlia variabilis, and the single-flowered forms of D.
In the dahlia the florets are rendered quilled, and are made to assume many glowing colours.
The flower of a double dahlia, e.g.
He was the author of several contributions to the literature of horticulture, including a Practical Treatise on the Culture of the Dahlia (1838), and a Pocket Botanical Dictionary (1st ed., 1840).