Elementary botany . elementarybotany00atki Year: 1898 GAMETOPHYTE AX J) SPOROPHYTE. 229 of pear fruit, the latter being kept in a moist chamber to prevent drying the surface. 452. In the spring after flowering the pollen escapes from the anther sacs, and as a result of pollination is brought to rest on the stigma of the pistil. Here it germinates, as we saw that is it develops a long tube which makes its way down through the style, and in through the micropyle to the embryo sae. where, in accordance with what takes place in other plants examined, one of the sperm cells unites with the egg, an
Elementary botany . elementarybotany00atki Year: 1898 GAMETOPHYTE AX J) SPOROPHYTE. 229 of pear fruit, the latter being kept in a moist chamber to prevent drying the surface. 452. In the spring after flowering the pollen escapes from the anther sacs, and as a result of pollination is brought to rest on the stigma of the pistil. Here it germinates, as we saw that is it develops a long tube which makes its way down through the style, and in through the micropyle to the embryo sae. where, in accordance with what takes place in other plants examined, one of the sperm cells unites with the egg, and fertilization of the egg is the result. 453. Macrospore and embyro sac. three pistils or carpels are united into taria the two carpels are also united carpel. Simple carpels are found in example in the ranunculacese, the bine, etc. These simple carpels bear a
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