— 120 — obtained from the lightest watering in November, while no cotton was obtained from the heavier waterings until late in December.

The boUing curves are not included on account of lack of space, but they agree in detail with the curves given above.

The whole effect of the retardation seems to lie in the formation of buds, and not with the maturation period of the bolls. Whether this would be the case should a sudden cold spell intervene is not known at present. As has been repeatedly stated, the season 1914-15 was unusually warm and humid, and flowering proceeded without any definite check until late in the season.

Duty of Water Flowennq Cut-ves 1915 5akel Oept Oct Nov Dee Jan Feb Number ot Flowers per Plant Effect of Irrigation on Length of Cotton.—We must now turn to the effects produced on the seed cotton. In order to condense the records, the figures