Sl'MMAKY tK KKSn.TS. 



49 



The following table likewi-e -ho\\> the difference in coefficient of 

 mealine. decree of di>- olutioii. pen entaire of extract, etc., between 

 high and low protein barley-: 



Comparison of hiyh <iml hnr i>rolcin barleys. 

 TWO-ROW. 



KKKU IN. 



irivat variation- in the -oin|Mi-ition of tlie>e 84 samples of 

 6 !-M\V Parleys, which belong practically to the -ame variety that i-. 

 Manchurian and which have been ;rro\vn in widely separated locali- 

 tie- ditl'erinir from one another in >oil and general climatic conditions, 

 ajiain demonstrate how jrrcat is the influence of environment on the 

 composition of plant-. There i- a greater ditl'erence in (lie compo- 

 >ition and in the physical characteristics of the barleys of the same 

 type <rrown in different local it ie- than there is between different 

 varieties rrrown in the >ame environment. Thi> is well illustrated in 

 Table- I and II. which <rive the average composition of the four 

 varieties of barley. There -enn> to be a greater influence exerted by 

 climate than by seed, variety, or difference in -oil characteristics. Ac- 



