Referee's report by Vernon Herbert Blackman, on a paper 'Experimental researches on vegetable assimilation and respiration. XVIII.—The relation between stomatal opening and assimilation.—A critical study of assimilation rates and porometer rates in leaves of Cherry Laurel' by Ernest John Maskell Sectional Committee: Botany Recommended for publication in the 'Proceedings of the Royal Society of London'. Should be published alongside the associated paper [RR/36/16]. [Published in the 'Proceedings of the Royal Society of London' B, 1928] No received date. [1927]