124 



BOTANICAL GAZETTE 



[ AUGUST 



These were planted in boxes of sterilized sand in the greenhouse, on 

 January 28 and 29, 1913. 



Comparison of the behavior of oats of different ages as recorded 

 in tables X-XIV is rendered somewhat easier by figs. n-14. In 

















1 















// 































\ *■ 





°c 































24 









































A\ 













B 













/ 































21 









































1911 









— — 









1907 











1 A / * 









.1910- 



1908 

 1907 



-1909- 



Room 















\eM 1 



W 1909 

 \" 1910 









18 



\f^£ 



















1 ^0 





N 191 i 

 1 



































C" 



---* 



- — - 



— — — 



--...- 



— *■■*' 



1 1 I 



Hours I 



\ 1 1 







1 1 ' 



I 1 Houn 



II 1 1 



1 



\ 



n 



1*4 



216 







72 



144 



216 



Fig. 12. — Oats in flasks; A, no. 293; B, no. 339 



these it is plainly shown that the vitality and viability of these seeds 

 is indicated more promptly by the temperatures yielded in Dewar 



normal" temperature 



may 



TABLE XV 



Date 



April 3 



6.... 

 8.... 

 9.... 

 9. ... 



10. . . . 



Time 



3:30 P.M. 

 4:30 P.M. 



11:30 A.M. 



9.30 A.M. 

 10:30 A.M. 



4:30 P.M. 



2:30 P.M. 



Hours elapsed 



25 



68 



114 



l 39 



*45 



167 



Room 



i8?2C. 



*7-5 

 17.6 



17.6 



17. 5 





1907 (no. 1746) 



i6?8oC. 



16.90 



18.60 



23.80 



26.50 



26.35 



25 15 



IQII 



i7?ioC 



17-50 

 20.50 



28.15 



28.00 



27.70 



2715 



the 



come 



I more plain 

 Experimex 

 University 



•Wheat, from the University of California, 



