BIBLIOGRAPHY. 



BRIGGS, L. J., and H. L. SHANTZ, 1916. Hourly transpiration rate on clear days as de- 

 termined by cyclic environmental factors. Jour. Agri. Res. 5 : 583. 

 . 1916. A daily transpiration during the normal growth period and its 

 correlation with the weather. Jour. Agri. Res. 7 : 155. 



1917. Comparison of the hourly evaporation rate of atmometers and 



free water surfaces with the transpiration of Medicago saliva. Jour. Agr. 

 Res. 9:277. 



BROWN, H. T., and F. ESCOMBE. 1900. Static diffusion of gases and liquids in relation 

 to the assimilation of carbon and translocation in plants. Phil. Trans. 

 Roy. Soc. London 70 : 397. 



BURGEKSTEIN, A. 1904. Die Transpiration der Pflanzen. 



BUSCALIONI, L., and G. POLACCI. 1902. Alteriori ricerche sull' applicazione delle pel- 

 licole di collodio allo studio di alcuni processi fisiologici delle piante ed in 

 particolar modo delle traspirazione vegetale. Att. 1st. Bot. Univ. Pavia. 

 n. s. 7: 

 CLEMENTS, F. E. 1905. Research methods in ecology. 



. 1907. Plant physiology and ecology. 

 DARWIN, FRANCIS. 1898. Observations on stomata. Phil. Trans. Roy. Soc. London 



B 190 : 531. 

 . 1914. On a method of studying transpiration. Proc. Roy. Soc. London 



B 87 : 269. 

 . 1914. The effect of light on the transpiration of leaves. Proc. Roy. Soc. 



London B 87 : 281. 

 . 1916. On the relation between transpiration and stomatal aperture. Phil. 



Trans. Roy. Soc. London B 207 : 413. 

 and D. F. M. PERTZ. 1911. New method of estimating the aperture of stomata. 



Proc. Roy. Soc. London B 84 : 149. 



DIXON, H. H. 1914. Transpiration and the ascent of sap in trees. 

 ECKERSON, SOPHIA H. 1908. The number and size of stomata. Bot. Gaz. 46 : 221. 

 GRAY, J., and G. J. PEIRCE. 1919. The influence of light upon the action of the stomata 

 and its relation to the transpiration of certain grains. Am. Jour. Bot. 6:131. 

 HABERLANDT, G. 1904. Physiologische Pflanzenanatomie. 

 ILJIN, W. S. 1914. Die Regulierung der Spaltoffnungen in Zusammenhang mit Verander- 



ung des osmotischen Druckes. Beih. Bot. Cent. 32 : 15. 

 . 1914 A. Die Probleme des vergleichenden Studiums der Pflanzentranspiration. 



Beih. Bot. Cent. 32 : 36. 

 JOHNSTON, E. S. 1919. Evaporation compared with vapor-pressure deficit and wind 



velocity. Mo. Weather Rev. 47 : 30. 



KNIGHT, R. C. 1915. A convenient modification of the porometer. New Phyt. 14 : 212. 

 . 1916. On the use of the porometer in stomatal investigation. Ann. Bot. 30 : 57. 

 . 1917. "Relative transpiration" as a measure of the intrinsic transpiring power 



of the plant. Ann. Bot. 31 : 351. 



. 1917 A. The interrelations of stomatal aperture, leaf water content, and trans- 

 piration rate. Ann. Bot. 31 : 221. 

 KOHL, F. G. 1895. Zum Mechanik der Spaltoffnungsbewegungen. Beiblatt zur 



"Leopoldina." 

 LAIDLOW, C. J. P., and R. C. KNIGHT. 1916. A description of a recording porometer 



and a note on stomatal behavior during wilting. Ann. Bot. 30 : 47. 



LEITGEB, H. 1888. Beitrage zur Physiologic der Spaltoffnungsapparate. Graz Bot. 

 Inst. Mitt. 1:123. 



103 



