. Genetics in relation to agriculture. Livestock; Heredity; Variation (Biology); Plant breeding. 306 GENETICS IN RELATION TO AGRICULTURE the garden traces of the early pecuhar form of the flower portrayed in Plate III. In the original form the standard was erect, narrow at the base, notched at the top, and reflexed or slightly rolled at the sides. From it have been derived three distinct flower types; the grandiflora, the hooded, and the popular waved Spencer forms. The origin of the first two named is in some doubt. The hooded character was found in some of the earlier varieties. It was somet
. Genetics in relation to agriculture. Livestock; Heredity; Variation (Biology); Plant breeding. 306 GENETICS IN RELATION TO AGRICULTURE the garden traces of the early pecuhar form of the flower portrayed in Plate III. In the original form the standard was erect, narrow at the base, notched at the top, and reflexed or slightly rolled at the sides. From it have been derived three distinct flower types; the grandiflora, the hooded, and the popular waved Spencer forms. The origin of the first two named is in some doubt. The hooded character was found in some of the earlier varieties. It was sometimes associated with notches in the sides as in the Butterfly (Fig. 121), and this character is found also. Fia. 121.—Forms of sweet pea flowers—the standard or banner. Open or grandiflora form (upper row left to right)—Alba Magnifioa, Shasta, Golden Rose. Hooded form (middle row)—Butterfly, Admiration, Dorothy Ecktord. Waved form (lower row)—Elsie Herbert, Apple Blossom Spencer, White Spencer. (From Beal.) in some of the present day favorites. Batcson reports that hooded is recessive to grandiflora or erect type of standard. Some of the earliest varieties of improved grandiflora form were Queen of England (1888), Blanche Ferry (1889) and Alba Magnifica (1891). The waved or Spencer form is of more recent origin, and authorities arc agreed that it arose as a "sport" from a beautiful, pink, hooded variety. Prima Donna. The pronounced wavincss of standard and wings which characterizes this type had not appeared before in sweet peas. The two upper series in Fig. 121 indicate the more recent progress in enlarging flower size. Alba Magnifica and Butterfly were great acqui- Digitized by Microsoft®. 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 Babcock, E. B. (Ernest Brown), b. 1877; Clausen,
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