. Flower ecology. Plant ecology; Fertilization of plants. 13 Time of Opeaitig of Flowers. It is well known that tem- perture and moisture greatly inflnence the f)pening of ftow- ers. Rains and lows temperature may retard the opening. FIG. 5. Fig. 5. Tall meadow oat grass, {Arrhenatherum elativs). Wind pollinated, showing how anthers open and the long plumose stigmas protruded. 1, Closed anther. 2, An opened anther. 3, Parts of the pistil separated. 4, The effect wind has on the flowers. (After Kernep von Marilaun.) not onlj' hours, but days. Dry air and a high temperature also retards opening.


. Flower ecology. Plant ecology; Fertilization of plants. 13 Time of Opeaitig of Flowers. It is well known that tem- perture and moisture greatly inflnence the f)pening of ftow- ers. Rains and lows temperature may retard the opening. FIG. 5. Fig. 5. Tall meadow oat grass, {Arrhenatherum elativs). Wind pollinated, showing how anthers open and the long plumose stigmas protruded. 1, Closed anther. 2, An opened anther. 3, Parts of the pistil separated. 4, The effect wind has on the flowers. (After Kernep von Marilaun.) not onlj' hours, but days. Dry air and a high temperature also retards opening. The flowers of grasses open early in. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pammel, Louis Herman, 1862-1931. [n. p. ] Press of J. B. Hungerford


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectfertili, bookyear1898