There are certain sorts, which invariably exhibit a difference in color between the single and the double flowers.
Camellias are known to have both types of double flowers.
These, on being opened, were found to contain petals of the usual colour, which in the pods above had burst from their confinement and appeared as semi-double flowers; the valves of the pod answering to the true calyx.
Median prolification occurs frequently in double flowers; the axillary variety, on the other hand, is most common in flowers whose lateral organs have assumed more or less of the condition of leaves.
As to the corolla, it was long since noticed that prolification was especially liable to occur in double flowers; indeed, Dr.
I may add, as bearing on this subject, that, with Asters, seeds taken from the florets of the circumference have been found to yield the greatest number of double flowers.
No one has produced, as Lindley remarks,[415] double flowersby promoting the perfect health of the plant.
It was only after a greater or less number of generations had elapsed that a variable proportion of double flowers appeared, sometimes accompanied by changes in the leaves and in the colours of the flowers.
Hoffman also describes other experiments in which the seeds from double flowers produced plants which also yielded many double flowers.
The production of double flowers appeared to be favoured by poor nutrition caused by crowding the plants.
The Compositae bear what are called double flowers by the abnormal development of the corolla of their central florets.
I may add, as bearing on this subject, that with Asters, seeds taken from the florets of the circumference have been found to yield the greatest number of double flowers.
Amadis, or the Crimson Boursault, is of a deep purplish-crimson, with large semi-double flowers.
The Garland is of a light fawn-color, changing to white, and blooms in large clusters of double flowers, which turn to pink before fading.
It is a strong, vigorous grower, putting forth large, double flowers like a ball of snow.
This bears large clusters of double flowers, and shows fine foliage.
They can be purchased in single and semi-double flowers, created through the developing and crossing of the old-fashioned variety.
The perianth is not changed in double flowers, hence the genus or family may be often discovered by the calyx, as in Hepatica, Ranunculus, Alcea.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "double flowers" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
