. Carnegie Institution of Washington publication. . 9 30 12 00 noon 2 30 5 30 9 00 p m 00™ 10 30 12 30 2 30 After 5 hours in dark room. ..After 24-hours in dark room. .. the progress of experiment V (see page 22) leaf samples for sto-matal measurements were taken as near the middle of each transpirationperiod as the manipulation of the experiment would permit and treated withpicric acid in cedar oil, as described above. The values of T/E are repeatedfrom
. Carnegie Institution of Washington publication. . 9 30 12 00 noon 2 30 5 30 9 00 p m 00™ 10 30 12 30 2 30 After 5 hours in dark room. ..After 24-hours in dark room. .. the progress of experiment V (see page 22) leaf samples for sto-matal measurements were taken as near the middle of each transpirationperiod as the manipulation of the experiment would permit and treated withpicric acid in cedar oil, as described above. The values of T/E are repeatedfrom page 23 and are plotted in fig. 20 with the values for the square rootsof the products of the stomatal diameters. *Livingston, B. E., and Estabrook, A. H., Observations on the degree of stomatalmovement in certain plants, Bull. Torr. Club, xxxix, 15-22, 1912. fBrowne and Escomb, Static of gases, Phil. Trans. Roj-. Soc. Lond., B,vol. 192, pp. 270-292, 1900. 40 TRANSPIRATION IN A DESERT PERENNIAL. .8 VI xw \v. Farkinsonia PicricAlcohol PicricAlcohol .8 VTxw
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