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My new variety of regal lily(Lilium Regale) is an improvement over the ordinary regal lily in the anther of which a profusion of yellow pollen is produced which drops on the petals during the blooming period.
the herein described new regal lilyis a mutation which resulted when a number of lily bulbs were subjected to the following treatment prior to planting.
the bulbs treatedwere regular commercial bulbs of a pure strain of regal lily and, it is believed, had been exposed to no previous influences which would be likely to affect the character of their reproduction.
the bulbs while on a backing of sheet leadwere exposed for about minute to X-rays from a tungstentarget water-cooled X-ray tube of the thickwalled type supplied with energy from a source which furnished a peak voltage of 200 kil'ovolts and a current of milliamperes, and the focal distance was about 50 centimeters.
Some of the bulbs thus treatedproduced flowers such as illustrated in the accompanying drawing. These bulbs were found to be capable of asexual reproduction from bulblets derived from the original plant, the novel characteristics of the parent lily persisting in the lilies thus reproduced.
FIG. 1a portion of the stalk, leaves, and the blossom of a lily produced in accordance with my invention.
Fig. 2is a perspective view of a bulb of regal lily such as was subjected to X-ray treatment, and thereafter asexually reproduced.
the bulb of my new variety of lilyis composed of large fleshy overlapping scales as in the well known ordinary forms of regal lily.
the flowers of my new variety of lilyare large, trumpet-shaped, the six waxy petals being practically white on the inside, the three outer ones being shaded with pink and purple on the outside.
the petalsare similar in size and shape to those of the well known ordinary form. of regal lily. They are characterized, however, by the almost complete absence of yellow color at the inside of the base of the petals.
a characteristic feature of my new regal lilyis the behavior of the anthers, which, as they develop after the opening of the flower, fail to dehisce, thus preventing the shedding of the pollen.
the anthersshrink in size, change in color from orange to a reddish brown (Dictionary of Color, Maerz and Paul, 5-F-11) and add to the beauty of the flower if allowed to remain attached to the filament during the life of the flower.
