244 TEXTBOOK OF BOTANY 



dust storms, and dunes. Transpiration is a factor both in the develop- 

 ment of local plant communities and the segregation of the larger vege- 

 tation types as forests, grasslands, and deserts. 



REFERENCES 



Freeland, R. O. Effect of transpiration upon the absorption of mineral salts. 



Amer. Jour. Bot. 21:373-374. 1937. 

 Miller, E. C. Plant Pliysiologij, 2nd ed. McGraw-Hill Book Company, Inc. 



1938. Pp. 236-240. 

 Muenscher, W. C. Effect of transpiration on the absorption of salts. Ainer. 



Jour. Bot. 9:311-330. 1922. 

 Wright, K. E. Transpiration and the absorption of mineral salts. Flant Physiol. 



14:171-174. 1939. 



