—, —, quarries of St. Augustine, xxxv, 61.
—, —, savannahs, xxxv, 52.
—, —, soil, xxxv, 57.
—, —, St. John's river, xxxv, 48.
—, —, sulphur springs, xxxv, 51.
Flour, potato, used in making bread, xvi, 391.
—, detection of, in wheat, xvii, 173.
— from leguminous fruits, vii, 189.
Flowers, double, produced by depriving flowers of their anthers, E. T. Leitner, xxiii, 45.
Floyd, J., hurricane near Calcutta, of April, 1838, xxxvi, 71.