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Updated: June 23, 2025
On the other hand De Candolle in his "Prodromus" mentions the pistilloid wall-flowers as a distinct variety, under the name of Cheiranthus Cheiri gynantherus, and the analogous form of the opium-poppy is not at all an accidental anomaly, but an old true horticultural variety, which can be bought everywhere under the names of Papaver somniferum monstruosum or polycephalum.
These last we have shown to be double races. Their peculiar and wide range of variability is due to the substitution of two characters, which exclude one another, or if combined, are diminished in various degrees. Striped flowers and stocks, "five-leaved" clover, pistilloid opium-poppies and numerous other monstrosities have been dealt with as instances of such ever-sporting varieties.
As soon as the treatment becomes adequate, the full strength of the race at once displays itself, but afterwards no selection is able to improve it to any appreciable amount. Of course, in the long run, the responses will be the same as those of the pistilloid poppies on the average, and some influence of selection will show itself on closer scrutiny.
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