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The Cutleriaceae exhibit a heterogamy in which the female sexual cell is not highly specialized, as is in the groups already described.
2
For other illustrations refer to chapters on Heterogamy, Number, Irregular Peloria, &c.
3
Alterations in the position of the sexual organs are spoken of under the head of Heterogamy.
4
The principal alterations to be mentioned under this head may therefore be conveniently arranged under the following categories:-Union ,Independence ,Displacement ,Prolification ,Heterotaxy ,andHeterogamy.