. Botany; an elementary text for schools. Plants. 335. Archegon- ium of mar- chantia. These swim about in the water provided by the dew and rain. Some of them finally find their way to the arche- gonia and egg-cells, which are thus fertilized, as pollen fertilizes tiie ovules of higher plants. After fertilization the egg-cell develop? into the spore-capsule or sporogonium. The mature spore-capsules may be seen in Fig. 336. They consist of an oval spore-case on a short stalk, the base of which is imbedded in the tissue of the receptacle from which it derives the necessary nourishment for the de


. Botany; an elementary text for schools. Plants. 335. Archegon- ium of mar- chantia. These swim about in the water provided by the dew and rain. Some of them finally find their way to the arche- gonia and egg-cells, which are thus fertilized, as pollen fertilizes tiie ovules of higher plants. After fertilization the egg-cell develop? into the spore-capsule or sporogonium. The mature spore-capsules may be seen in Fig. 336. They consist of an oval spore-case on a short stalk, the base of which is imbedded in the tissue of the receptacle from which it derives the necessary nourishment for the development of the sporo- gonium. At maturity the sporo- gonium is ruptured at the apex,. 336. Arehegoniophore with sporogonia of 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 Bailey, L. H. (Liberty Hyde), 1858-1954. New York, Macmillan Co.


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