stones of, figured, ibid.;
contrasted with almonds, i. 338;
double-flowering, i. 338-339, 343;
hybrids of, i. 339;
persistency of races of, ibid.;
trees producing nectarines, i. 340-341;
variation in, i. 342-343, ii. [256];
bud-variation in, i. 374;
pendulous, ii. [18];
variation by selection in, ii. [218];