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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 36

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[page]34.[/page] Other sections show that air chambers are found on the rays. If young receptacles are selected, the unfertilized archegonia are found. These are flask shaped, pendant organs and had their origin in a single cell, PL.VIII. fig. 4. & PL.IX. fig. 3.. The enlarged part, PL.IX. fig. 2., contains the nucleated germ cell, above this is a smaller cell which reaches to the narrow or neck part. The neck is occupied by a row of cells. All the cells are chlorophyll bearing. As growth proceeds, the row of cells in the neck and the cell overlying the germ cell become a mucilaginous mass and escape from the apex of the archegonium, PL.IX. fig. 5. The spermatozoids are carried by the moisture in the atmosphere, or by the flowing water to the neck of
 
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