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A brief description of nine species of Hepaticae found in the vicinity of Iowa City by Mary F. Linder, 1886

A brief description of nine species of Hepaticae found in the vicinity of Iowa City by Mary F. Linder, 1886, Page 37

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[page]35[/page] the archegonium, and one or more now finds its way to the germ cell, to fertilize it. After fertilization the cell or oosphere divides by walls inclined alternately in two directions. The upper cell forms the growing apical cell. This undergoes subsequent division to complete the structure. The wall of the sporogonium becomes differentiated to form the tissue from which the mother cells of the spores and elaters arise. The cells which form the elaters cease to divide transversely and become fusiform. Those from which the mother cells of the spores are formed, are intermediate and become rounded. Afterward by internal division they form four spores. After fertilization the neck of teh archegonium withers away
 
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