1914] 



DA RSI E, ELLIOTT fir PEIRCE— GERMINATING POWER 



"5 



Iowa, was used in the various quantities recorded below and 

 treated in the various ways there indicated. Our first test was 



made in ADril 1012. with 10 prams of seed from the TCxneri mental 



60 



40 



20 



60 



40 



20 



40 



20 - 



12 



144 



J? 



144 



72 



144 























* - * 



-1911 



■1908 



1909 



1904 



;1906 



J910 



1905 



11907 





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r^lJL^ 





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1 

















y/^ 



J\ +** 



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s 





A 









\ — 1 













1 v / 























| ^ -pB 





























• 





• 





1 1 1 1 f 











Hours 1 













1 



2ie 



288 



L 

















1911 

 [19091 

 1910 

 190? 

 1908- 











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prrr 















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 ■4- 





l ' 



















B 























f <wy 

 \Sr/ 





























































1 













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216 



288 









1 1 







1 



1 ,9M i 



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^p^-T 







1909 















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wmmmmmm^ammmSS^ 







D 











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r , ~~~ J r~~^ m 





1910 



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1 



1 Hou rs 



1 ! - .. 







216 



288 



Fig. 13. — Oats in soil: A, Wisconsin; B, no. 293; C f no. 286; D, no. 451 



Farm of the University of California, at Davis, California. The 

 seed was not as clean and whole as one could wish, and there was 

 too much chaff with it. The material was treated with a concen- 



