The Variation of Animals and Plants Under Domestication, Volume II (of 2)

by Charles Darwin

regions which have furnished no useful plants, i. 310;

wild wheat, i. 312-313;

wild rye and oats, i. 313;

antiquity of varieties of wheat, i. 316;

apparent inefficacy of selection in wheat, i. 318;

origin and cultivation of maize, i. 320, ii. [307];

colours of seeds of maize, i. 321;

varieties and origin of the cabbage, i. 324-325;

origin of the garden-pea, i. 326;

on the vine, i. 332, ii. [308];