17° BOTANICAL GAZETTE [SEPTEMBER 
r® + ‘ * 
Fic. 4.—Wheat ; g gina cult lution containing a fertilizer mixture : 
composed of phosphate 20 per cent, nitrogen 60 per cent, potash 20 per cent: 1, Withy 
out dihydroxystearic acid; 2, with dihydroxystearic acid. 
te 
