[127a] Vegetable Staticks, p. 5.

[127b] Ibid., p. 14.

[128a] Vegetable Staticks, p. 41.

[128b] Janse in Pringsheim’s Jahrb. XVIII. p. 38. The later literature is given by Dixon in Progressus Rei Bot. III., 1909, p. 58.

[129a] Compare F. von Höhnel, Bot. Zeitung, 1879, p. 318.

[129b] This is also shown by experiment xc, Vegetable Staticks, p. 123.

[130a] The method by which Hales proposed to record the depth of the sea is a variant of this apparatus.

[130b] Vegetable Staticks, p. 92.

[130c] According to Sachs (Geschichte, p. 509) Ray employed this method.

[130d] Other facts showed that the “gapped” branches did not behave quite normally.