126 



spring flowers, such as the Spring Beauty and the Httle Bluets, 

 begin to bloom in January. 



Table I shows the maximum, minimum, and mean annual 

 temperatures for a period of four years as reported by the 

 Experiment Station. 



Table I. Temperatures at College Station, Texas 



Year Maximum 



Minimum 



Mean Annual 



191I 

 I912 



I913 

 1914 



106 

 105 

 106 

 106 



12 

 10 



18 



17 



70.7 

 67.6 



67.7 

 67.4 



The character of the vegetation of this region is transitional 

 between the mesophytic of the Mississippi valley and the xero- 

 phytic of the Great Plains, inclining to the latter type. 



1 



20 



16 

 12 

 8 



4 



Dec. Jan. 



Feb. Mar. 



Apr. 



May 





^ 













\ 





y 



V 



^ 



A 



















\ 



A/ 



.r 



\A 





i 



^ 



\ 









V 





\ 







\ 













\ 



A 





\ 















/^ 





^ 





















Fig. I. Graph of water content for period of observation. 



In order to determine the water content of the soil of the sta- 

 tions, samples were collected from December 6, 1914, to June 9, 

 191 5. From December 6, to the time of the appearance of the 



