The Flowering Curve of the Egyptian Cotton-plant, 
BY 
JAMES ARTHUR PRESCOTT, 
Sultanic Agricultural Society, Cairo, Egypt. 
With three Tables and seven Figures in the Text. 
T HE introduction of the more precise methods of the plant physiologist 
in the analysis of agricultural experiments has been particularly 
Fig. i. Flowering curves of Cotton. I, data of W. L. Balls, Giza, 1909. II, ditto, 1911. 
Ill, Bahtim, 1917. Three years’ rotation; farm-yard manure plots. IV, Bahtim, 1920. Pilion, 
varieties experiment. 
[Annals of Botany, Vol. XXXVI. No. CXLI. January, 1922.] 
