VRIES, Hugo de (1848-1935).: — De invloed der temperatuur op de levensverschijnselen der planten. Academisch proerfschrift [...] aan de Hoogeschool te Leiden [...] op Donderdag, den 6den October 1870 [...].

's-Gravenhage: Martinus Nijhoff, 1870. 8vo, 22.2cm. Pp.[viii],111,[1],vi. Original printed boards. Little wear at ends of backstrip, fine otherwise.. The scarce doctoral thesis by the famous Dutch botanist, on the effect of heat and cold on plant physiology, citing several statements by Charles Darwin who wrote on the same subject.. - [phd.231]