DARWIN, FRANCIS. - PLANT GROWTH CONTROLLED BY HORMONES.

Observations on Stomata. Received May 31, - Read June 16, 1898.

(London, Harrison and Sons, 1898). 4to. No wrappers as extracted from "Philosophical Transactions" Year 1897, Volume 190 - Series B. - Pp. 531-621.

First printing of a classic paper on plant physilogy and plants growth, reporting his discovery of the stomatal responses to light. The fundamental concept that the growth of plants, and the interrelation between their parts, is controlled by hormones, stems from the classic work of Charls Darwin and his son Francis Darwin.

Order-nr.: 45943