Plant-breeding; comments on the experiments of Nilsson and Burbank . and the yellow foxgloves. I have pollinatedthe first with the dust of the second and had a beautiful lotof hybrids which flowered richly during a series of foHage and spikes were almost those of the yellow parent,the flowers being intermediate in size, yellow, but with a red. Fig. 99. A. The cultivated snapdragon. Its color Yellow. C. Delila, tube white and lips red. D-E. Brilliant, of a fiery red. G. Album, white with a yellow spot on thelip. H. The calyx and the style after the
Plant-breeding; comments on the experiments of Nilsson and Burbank . and the yellow foxgloves. I have pollinatedthe first with the dust of the second and had a beautiful lotof hybrids which flowered richly during a series of foHage and spikes were almost those of the yellow parent,the flowers being intermediate in size, yellow, but with a red. Fig. 99. A. The cultivated snapdragon. Its color Yellow. C. Delila, tube white and lips red. D-E. Brilliant, of a fiery red. G. Album, white with a yellow spot on thelip. H. The calyx and the style after the removal of the corolla. 317 3i8 PLANT-BREEDING hue, and bearing inside the corolla numerous spots in highlyvariable numbers. Such spots are seen in both the parents,but most beautifully de\xloped in the red species. Manyother instances could be given. The hybrid of the commonand the small-flowered evening primroses (OEnothera biennisand (En. muricata) has the flowers of one and the spikes ofthe other parent. In the culitivated violets the size and yel-low tinge are derived from one of the parents, the Violalutea grandiflora, and so on. As a rule some characters of one or the other parent maybe more or less easily recognized in the hybrid, but othersare so intricately mingled that our knowledge is wholly insuf-ficient to single them out. Each of
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