. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 234 REPRODUCTION, VEGETABLE (VEGETABLE OVUM). other object than the admission of the anthe- rozoids. fig. Archegonium of the same, 300 diam. a, origin of the archegonium; the shaded vertical row of cells constitutes the rudiment of the organ ; b, archegonium immediately before impregnation. 61. Second period.—Fructification of the ar- chegonia. In the greater number of archego- nia, development ceases at the point above described. In those in which the germ-cell has received the influences necessary for its fructif
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 234 REPRODUCTION, VEGETABLE (VEGETABLE OVUM). other object than the admission of the anthe- rozoids. fig. Archegonium of the same, 300 diam. a, origin of the archegonium; the shaded vertical row of cells constitutes the rudiment of the organ ; b, archegonium immediately before impregnation. 61. Second period.—Fructification of the ar- chegonia. In the greater number of archego- nia, development ceases at the point above described. In those in which the germ-cell has received the influences necessary for its fructification, this last-named body enlarges rapidly, and very soon divides by a slightly Fig. 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 Todd, Robert Bentley, 1809-1860. London, Sherwood, Gilbert, and Piper
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