Footnote 108: The knots of endogenscorrespond to the nodes of exogens.
The Endogens include numerous families and many thousand species.
I should think the mushrooms might be Endogens from their stems, and the fern Exogens from their leaves.
Exogens and Endogensare only the two kinds of flowering plants.
We form the conception of that collection of things which comprises endogens and exogens together, and we refer, by an act of judgment, "all trees" to that collection.
Let us take, as a second example, the proposition, "All trees areendogens or exogens.
Up to the close of the Lower Cretaceous, no Angiospermous Exogens are certainly known to have existed, and Monocotyledonous plants orEndogens are very poorly represented.
Footnote 23: The "Flowering plants" are divided into the two great groups of the Endogensand Exogens.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "endogens" in a variety of sentences. We hope that you will now be able to make sentences using this word.