19 
long slender root like a carrot and the other the white globe, 
order to ascertain whether the longer variety would show a 
greater effect from the action of the R A F, as I had previously 
found true of long radishes as compared with small round ones, 
in which case the latter showed only 2 or 3 per cent. increase 
ver the control plot, while the former showed 70 per cent. in 
about 36 per cent. In the case of the long turnips, I harvested 
14 pounds from the control plot and 32 from BB, a gain of about 
129 per cent. These two instances go far toward indicating 
one stimulating all the cells with which it is in contact. 
are other interesting considerations in this case. The 
season. - turnip growth, from late August to middle October, 
the crop was practically a failure e e of collection, 
Oct. 14, the foliage on the control plots was complet 
and d tt of cowhorn turnips was almost as ba 
in rowing state. Therefore, had the time been extended, 
the percentage of gain over X would have been still greater than 
i now record On the other eee the conditions and the 
now abnormal € 
such large differences under ordinary alle 
As to the round turnips, the same pee cats: although 
