Westwood, J. O., on peloric flowers of Calceolaria, ii. [346].
Whately, Archbishop, on grafting early and late thorns, i. 363.
Wheat, specific unity or diversity of, i. 312-313, 316-317;
Hasora, i. 313;
presence or absence of barbs in, i. 314;
Godron on variations in, ibid.;
varieties of, i. 314-315;
effects of soil and climate on, i. 316;
deterioration of, ibid.;
crossing of varieties of, ibid., ii. [96], [104]-[105], [130];