No less than eight species of smilax, a monocotyledonous genus, occur at Oeningen and in other Upper Miocene localities, the flowers of some of them, as well as the leaves, being preserved; as in the case of the very common fossil, S. sagittifera, Figure 142, a.
"The Student's Elements of Geology"
Sir Charles Lyell
Ferns, with Cycads and leaves of monocotyledonous plants, and some apparently brackish and fresh-water shells, accompany the insects in several places, while in others marine shells predominate, the fossils varying apparently as we examine the bed nearer or farther from the ancient land, or the source whence the fresh water was derived.
"The Student's Elements of Geology"
Sir Charles Lyell
There can at least be no doubt as to the high grade of its organisation, and that it belongs to the monocotyledonous angiosperms.
"The Student's Elements of Geology"
Sir Charles Lyell