1. Duhamel Trait. Arb. Fr. 2:110, Pl. 20 fig. 14. 1768. 2. Kraft Pom. Aust. 2:42, Tab. 194 fig. 2. 1796. 3. Mag. Hort. 9:165. 1843. 4. Poiteau Pom. Franc. 1. 1846. 5. Mas Pom. Gen. 2:121, fig. 61. 1873. 6. Hogg Fruit Man. 726. 1884. 7. Mathieu Nom. Pom. 450. 1889.
Die Pflaume ohne Stein 2. Jean Morceau 3. Kirke’s Stoneless 6, 7. Pflaume Ohne Steine 5. Pitless 5, 7. Prune Sans-Noyau 4. Sans-Noyau 1, 5. Sans Noyau 3, 6, 7. Steinlose Zwetsche 7. Stoneless 5, 7.
This curious plum is attracting attention because of the publicity given it by Burbank in his breeding work. The variety is at least three hundred years old. It was known to Merlet, writing in the Seventeenth Century, and has been mentioned in plum literature many times since. The plum is remarkable because of the entire absence of a stone, the kernel lying naked in a cavity much larger than itself. The variety is worthless but presents opportunities for breeding purposes that should not be overlooked. Judging from the fruit-characters as given below it belongs to Prunus insititia. The Stoneless is supposed to have been introduced into England from the Royal Gardens at Versailles by George London. It was long sold as Kirke’s Stoneless, having been much advertised by Kirke, a nurseryman at Brompton, England. It is described as follows:
Fruit small, oval, dark purple, with thick bloom; flesh greenish-yellow, harsh and strongly acid at first but assuming a more pleasant flavor as it shrivels upon the tree.
SUGAR
SUGAR
Prunus domestica
1. Cal. State Bd. Hort. 47. 1897-98. 2. Burbank Cat. 5 fig. 1899. 3. Waugh Plum Cult. 124. 1901. 4. U. S. D. A. Rpt. 275, Pl. XXXVI fig. 2. 1903.