Morphology of the barley grain with reference to its enzym-secreting areas . Photomicrograph of a Longitudinal Section of a Barley Ovary Immediatelyafter Fertilization. The two plumose stigmas do not appear, a. Outer epidermis of ovary; b, colorless parenchyma; c,chlorophyll-bearing parenchyma; d, inner epidermis of ovary; e, outer integument of ovule;/, inner integument of ovule;<7, external layer of the nucellus; h, nucellar tissue; i, group of en-dosperm-forming cells of the young embryo sac. Bui. 183, U. S. Dept. of Agriculture. d / Plate Fig. 1 .—Longitudinal (Dorsi-ventral) Secti
Morphology of the barley grain with reference to its enzym-secreting areas . Photomicrograph of a Longitudinal Section of a Barley Ovary Immediatelyafter Fertilization. The two plumose stigmas do not appear, a. Outer epidermis of ovary; b, colorless parenchyma; c,chlorophyll-bearing parenchyma; d, inner epidermis of ovary; e, outer integument of ovule;/, inner integument of ovule;<7, external layer of the nucellus; h, nucellar tissue; i, group of en-dosperm-forming cells of the young embryo sac. Bui. 183, U. S. Dept. of Agriculture. d / Plate Fig. 1 .—Longitudinal (Dorsi-ventral) Section of a MatureBarley Grain. a, Starch endosperm; b, aleurone layer; c, area of starch endo-sperm, adjacent to the scutellnm, representing the initialstage of the corrosion of the endosperm. This took place atthe close of the ripening of the grain, d-r, The embryo; d,plumule with investing sheath; c, primary, and e, secondary,radicles;/, scutellum, the surface next to the endosperm covered?with the epithelial layer (g); r, root cap of primary radicle.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1915