BIBLIOGRAPHY 467 



Bakke (19 1 5). The Index of Foliar Transpiring Power as an 

 Indicator of Permanent Wilting in Plants. Bot. Gaz., 60, 



314- 

 (1918). Determination of Wilting. Bot. Gaz., 66, 81. 



Balls, W. L. (1912). The Cotton Plant in Egypt. London, 



1912. 

 (19 1 8). Analyses of Agricultural Yield. Part III, The 



Influence of Natural Environmental Factors upon the Yield 



of Egyptian Cotton. Phil. Trans. Roy. Soc, 208 B, 157. 

 Barnes, C. R. (1910) in A Textbook of Botany, by J. M. Coulter, 



C. R. Barnes and H. C. Cowles. 2 Vols. New York, 1910, 



1911. 

 De Bary, a. (1884). Comparative Anatomy of the Phanerogams 



and Ferns. Oxford, 1884. 

 Bateson, W. (1913). Problems of Genetics. Newhaven, 1913. 

 , and Gregory, R. P. (1905). On the Inheritance of 



Heterostylism in Primula. Proc. Roy. Soc, 76 B, 581. 



-, and Pellew, C. (1920). The Genetics of " Rogues " 



among Culinary Peas {Pisum sativum). Proc. Roy. Soc, 



91 B, 186. 

 Batten, L. (1918). Observations on the Ecology of Epilobium 



hirsutum. Journ. Ecol., 6, 162. 

 Bayliss, W. M. (1920). Principles of General Physiology. 



London, 1920, 

 Becquerel, p. (1907). Recherches sur la vie latente des grains. 



Ann. Sc Nat. Bot., IX, 5, 193. 

 Beijerinck, M. W. (1888). Die Bakterien der Papilionaceen- 



KnoUchen. Bot. Ztng., 46, 725. 

 Beissner, L. (1888). Ueber Jugendformen von Pflanzen speciell 



von Coniferen. Ber. deutsch. bot, Ges., 6, Ixxxiii. 

 Belt, T. (1874). The Naturalist in Nicaragua. London, 1874. 

 Benedict, H. M. (1915). Senile Changes in Leaves of Vitis 



vulpina L, and Certain Other Plants. Cornell Univ. Agr. 



Expt. Stat., 281. 

 Bergen, J. Y. (1903). The Transpiration of Spartium junceum 



and other Xerophytic Shrubs. Bot. Gaz., 36, 464. 



(1904)- Transpiration of Sun-leaves and Shade-leaves of 



Olea europea and other Broad-leaved Evergreens. Bot. 

 Gaz., 38, 285. 



Bergman, H. F. (1920). The Relation of Aeration to the Growth 

 and Activity of Roots, and its Influence on the Ecesis in Plants 

 in Swamps. Ann. Bot., 34, 13. 



Bernard, N. (1909), L'evolution dans la symbiose. Ann. Sc. 

 Nat. Bot., IX, 9, I. 



(1911)- Les mycorhizes des Solanum. Ann. Sc Nat. 



Bot., IX, 14, 235. 



