From these masses of ova dehisce into the body cavity and float in its fluid.
From the en.wikipedia.org
When the tassel is mature and conditions are suitably warm and dry, anthers on the tassel dehisce and release pollen.
From the en.wikipedia.org
As the anther dehydrates, the lack of secondary wall thickening does not allow the development of shearing forces necessary for the anther to split open, or dehisce.