upon the stock, i. 394-395;
upon the variability of trees, ii. [259];
changes analogous to bud-variation produced by, i. 387, 389.
Graft-hybrids, i. 390-391, 394-397, ii. [364]-[365].
Grapes, bud-variation in, i. 375;
cross of white and purple, i. 393;
green, liable to disease, ii. [336];
effect of foreign pollen on, i. 400.
Grasses, seeds of, used as food by savages, i. 307-309.
Gray, Asa, superior wild varieties of fruit-trees, i. 310;