ro8 



BOTANICAL GAZETTE 



[august 



one should know the climatic conditions under which the seed 

 was grown and harvested, and the conditions under which it was 

 afterward stored. Immature seeds are open to the influence of 



Date 



April 



!3 



14 



15 



IS 

 16 



16 



17 



18 



18 



19 



19 

 21 



TABLE II 



Wisconsin barley 



Time 



1905 



1906 





1 :oo p.m. 



8:00 A.M. 

 6:00 P.M. 

 8:00 A.M. 

 5:15 P.M. 

 8:15 A.M. 

 5:30 P.M. 



8 : 00 a.m. 

 8:30 A.M. 



6:00 P.M. 



9 : 00 A.M. 



4:30 P.M. 



8:00 A.M. 





17 



17 



17 



17 

 18 



18 



18 



18 



19 

 19 

 19 

 19 

 19 



4C 



6 



8 



9 



o 



3 

 4 



7 

 4 



5 



S 

 6 



9 



2-5 



17 

 17 

 17 



17 



18 



18 

 18 



19 



19 



19 



19 



19 

 20 



o 



5C 



6 



7 

 8 



1907 



1908 



1909 



3 



5 

 o 



3 



4 

 6 



7 

 5 



3°o 



17 -4 C 



175 



17-5 



175 

 17.6 



17.6 



17.6 



17.7 



17.9 



17.9 



18.0 



18.05 



18.4 



i?o 



i7?4C 



17.6 

 17.8 

 l8.0 

 l8.2 

 18.6 

 l8.9 

 19.4 

 19.7 

 19.7 

 I9.6 

 I9.6 

 I9.6 



17-6 c 



18.6 



193 



21 .1 

 22.9 

 23.6 



23-3 

 22.4 



21.3 



21 .O 



20.8 



20.7 

 20.6 



2?2 



3?o 



1910 



i7?6C 



18.4 



19.2 



21.0 



23.0 



24.0 



23.8 



23-3 



22.7 



22.6 

 22.6 

 22.7 



234 



5?8 



1911 



i7?6C. 



18.2 



18.6 



19. 1 



19.6 



20.8 



20.9 

 21.0 



20. s 

 20.3 



20. 1 



20. 1 



20.1 



2?5 



Room 



i7?oC 



16.9 

 16.9 

 16.9 

 16.9 

 16.9 

 16.9 

 16.9 

 16.9 

 16.9 

 16.8 

 16.9 

 16.9 



Increase 



The 1910 and 1906 seeds were moldy when taken from the flasks. 



Date 



April 



Time 



23 

 23 

 24 



24 

 25 



25 

 26 



27 



28 



28 

 29 



8:30 A.M 

 4:30 P.M 

 8:00 A.M. 



30 P.M 

 ^O A.M 

 OO P.M 

 OO M. 



4 

 9 



5 



12 



10:00 A.M 

 8:00 A.M 

 6:00 P.M 

 9:00 A.M 



TABLE III 



Barley no. 202 



1909 



i7?6C. 



17.7 



18.0 



18. 1 



18.6 



18.9 



19.7 



20.4 



21.7 



22.5 



24.9 



7°-3 



1910 



i7?7C 



17.8 



18.2 



18.4 



19. 1 



19.2 



19.2 



19.2 



19.4 



19.6 



20.1 



2?4 



1911 



i7?6C. 

 17.7 

 18.0 

 18. 1 

 18.6 



18.9 



19.7 



20.4 

 21.7 



22.5 

 249 



2?I 



Room 



17 

 17 

 17 

 17 

 17 

 17 

 17 

 17 

 17 

 17 

 17 



2 



I 

 2 

 2 

 2 



3 



3 

 3 

 3 

 3 

 3 



C 



Increase 



environmental conditions to a far greater extent than the fully 

 mature seed (Ewart, loc. cit). Even fully matured seeds, when 

 stored under humid conditions, lose their vitality much more 

 quickly than those stored in a dry atmosphere (Duvel, loc. cit). 



