THE experiments of Boussiugault, referred to in NATURE, vol. xviii. p. 672, find a fitting sequel in those of the Rev. G. Henslow, detailed in a paper read before the Linnean Society on November 7.

Plants may have no muscles, but they can grow upwards against the strain of gravity and their roots can even shift soil and rocks – because their cells can absorb water to form strong structures. Now ...

The mechanism of transport of the herbicide 3-amino-1,2,4-triazole (amitrole) into Phaseolus vulgaris roots appears to be passive, as judged by the effect of temperature (Q10 = 1.3 between 15 and 25°C ...