Excerpt from Annals of Botany, Vol. 8 The archegonia seem to be confined to the lower side of the midrib, and are formed some distance behind the growing point of the prothallium. SO far as could be determined, any superficial cell of the apical meristem can develop into an archegonium. The succession of divisions seem to correspond exactly with those of the other ferns. The mother-cell divides usually into three superimposed cells (fig. Of which the lowest, 5, usually divides several times by vertical walls and forms the ...
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Excerpt from Annals of Botany, Vol. 8 The archegonia seem to be confined to the lower side of the midrib, and are formed some distance behind the growing point of the prothallium. SO far as could be determined, any superficial cell of the apical meristem can develop into an archegonium. The succession of divisions seem to correspond exactly with those of the other ferns. The mother-cell divides usually into three superimposed cells (fig. Of which the lowest, 5, usually divides several times by vertical walls and forms the base of the archegonium. From the central one, by transverse divisions are formed the canal-cells and egg. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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