122 



BOTANICAL GAZETTE 



[august 



will show how well the viability of the seeds is indicated by their 

 heat yields within a comparatively short time after germination is 



Fig. ii. — Oats in flasks: A, no. 444; 5, Wisconsin 



started in Dewar flasks. Fifty kernels were selected from each lot 



< 



but on account of the hulls, no attempt was made to sterilize them. 









TABLE XIII 









Oats no. 339 









Date 





Time 



Room 



1907 



I909 



1QIO 



1911 



April 3 





3:00 P.M. 



i6?6C. 



i7°2C. 



i7?2 C. 



17-3 c. 



i7?2C 



4 





9:00 A.M. 



16.7 



17.9 



18.2 



18. 1 



17 7 



4- 





SlOO P.M. 



16.7 



18. 1 



18.6 



18.4 



18.0 



5- 





9:30 A.M. 



16.6 



18.7 



20.2 . 



19.2 



18.6 



5- 





5:00 P.M. 



16.7 



19.0 



21.2 



19.6 



19.0 



6. 





8:00 A.M. 



16.7 



20.2 



23.0 



20.8 



19.8 



6 





5:00 P.M. 



16.7 



21. 1 



23.0 



21-3 



20. 2 



7- 





8:00 A.M. 



16.6 



22.6 



21.8 



21.5 



20.3 



7- 





SlOO P.M. 



16.7 



22.0 



21.2 



21.4 



20.2 



8. 





8:00 A.M. 



16.9 



20.2 



19-3 



19 5 



18.8 



Increase in temperature between 











first and highest readings. . . . 



4?7 



5?9 



4?2 



3-i 



