Bulletin 3. The flora of the Raritan Formation, 1911 - State of New ...

INCERT_ S.EDtS. 2I 9
This species was based upon imperfect specimens which somewhat
resemble Cko_drophylhtm orbic_datum Heer. No additional
material is contained in the recent collections and the original
locality for ,the type remains unknown.
Occurrence.--Locality unknown.
Collectim_s.--N. Y. Botanical Garden.
Genus FONTAINEA Newb.
(FI, Amboy Clays, 1895, p. 94.)
FONTAINEA GI1AIgDII_0LIA lk_¢wb.
Fo_tai_fa grandifolia Newb., Fh Amboy Clays, 96, pl. 45, _. _-4,
1896.
Desc_jiptlo_z.--Leaves may be regarded as bilobate or as dieho-
Wmously compound with bilobate leaflets. The latter are markedly
unsymmetrical, linear-laneeolate in outline. Distall)_ they
are narrowed and obtusely pointed. The base is markedly unsymmetrical,
one margin decurrlng for a distance of from I cm.
to 2 cm. below the opposite margin. The extremely stout midrib
(or common winged petiole of a double leaf) runs straight for
a distance of 5 cm. to 6 cm., at which point it forks dichtomously
at an acute angle, the two stout branches running to the tips.
Internally this fork is naked for a distance of 2 cm. to 3 cm. of
each limb, from which point the inner laminae of the lobes curve
out until the lobe becomes equilateral or even broader on its
inner lamina. The secondary venation is fine; the secondaries,
which are numerous and parallel, branch at a very large angle
and becmne lost in the leaf substance toward the margin, although
they seem to be camptodrome in their final course.
In discussing these peculiar fossils, which are not uncommon
at the Woodbrldge locality, Prof. Newberry compares them with
J4allserites Reichii _ reproducing Sternberg's figure on plate xiv.,
fig. 5. This plant, which came from the greensand of N_edersehcena
in Saxony (Cenomanian) was discovered by Reich and
named Fucoides dichotom_,s. Sternberg referred it to Haliser-
• Sternberg, FI, d Vorwelt _ : 34, pl. *'4, [. 7.
NEW JERSEY GEOLOGICAL SURVEY