This section is from the book "The Gardener's Monthly And Horticulturist V18", by Thomas Meehan. See also: Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long.
Our garden plums appear, from the investigations of our Indian botanists, to be varieties produced by long cultivation of the Primus insititia, a species common in the mountains of Asia, from the Caucasus to the Eastern Himalaya, but which we have no authentic evidence being a native of Europe. In all the more accurate European floras, the P. domestica and insititia are either omitted, or inserted as doubtful natives or escaped from cultivation; or, if in some instances positive native stations are given' for the P. insititia, it is generally some variety of the P. spinosa that has been mistaken for it. Several varieties of the garden plum were introduced by the ancient Romans from the East, as we are informed by Pliny, since the days of Cato, who was born 232 years before the Christian era.- Gardener's Chronicle.