. Handbook of hardy trees, shrubs, and herbaceous plants ... Based on the French work of Messrs. Decaisne and Naudin ...entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc. Plants, Ornamental. 238 CompositcB—Dahlia. offers one of the most striking instances of the variability o" species under domestication, which is exemplified not only in the modification of the disk-florets but also in the wide range of colours. But so little is understood of the real nature of vege- table colouring matter and the cause of its variability, and to what
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. Handbook of hardy trees, shrubs, and herbaceous plants ... Based on the French work of Messrs. Decaisne and Naudin ...entitled 'Manuel de l'amateur des jardins, ' and including the original woodcuts by Riocreux and Leblanc. Plants, Ornamental. 238 CompositcB—Dahlia. offers one of the most striking instances of the variability o" species under domestication, which is exemplified not only in the modification of the disk-florets but also in the wide range of colours. But so little is understood of the real nature of vege- table colouring matter and the cause of its variability, and to what influences the changes must be ascribed, that we cannot. Fig. 127, Dahlia coeciiiea. (J nat. size.) correctly estimate the importance of this phenomenon. We know that pure white flowers exist, and that various shades and tints of yellow, scarlet, and purple, and combinations of these colours, are common; but we are not sure whether these colours are not also found in natural varieties. There is evidently a limit in the production of colours, as nothing approaching blue. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Hemsley, W. Botting (William Botting), 1843-1924; Decaisne, J. (Joseph) Manuel de l'amateur des jardins. Boston, Estes & Lauriat