DESURIPTION OF SPECIES. 1G 
The texture of the leaf would seem to have been thin, as the margins are 
generally somewhat warped and the surface undulate, as though yielding 
readily to local pressure. 
Locality: Woodbridge. 
MAGNOLIA AURICULATA Newb. n. sp. 
Pl. XLI, fig. 13; Pl. LVIU, figs. 1-11. 
Leaves ovate, 8° to 12° long, petioled, acute or blunt-pointed, base 
rounded, more often auriculate, margins entire; nervation that of the Mag- 
nolias, viz, lateral nerves given off at a large angle, widely separated, 
inosculating at the ends to form a festoon parallel with the margin. 
I have included these leaves in the genus Magnolia with much hesita- 
tion. They are sharply defined, beautifully preserved, and exhibit some 
features unlike any others in the collection—that is, the base is generally 
somewhat truncated or eared, as in figs. 1, 4, 6, and 11 of Pl. LVIII, and 
sometimes the auriculation is peculiarly complete and exact, as in fig. 1, 
where the ears are symmetrical and helicoid. It is quite possible that 
ultimately facts will be brought to light which will require the reference of 
these leaves to a new genus, but since the nervation is similar to that pre- 
vailing among the Magnolias, and there is developed among them a marked 
tendency toward the auriculation of the base of the leaf, as is seen in M. 
Fraseri and M. macrophylla, it has seemed to me that our plant could not 
be far removed from this group. In studying these leaves, Aristolochia, 
Polygonum, and Maclura have suggested themselves. In Aristolochia we 
generally find a deeply cordate leaf which is sometimes almost auriculate, 
but the nervation is always different from that before us. In Polygonum 
it is common to find auriculate and hastate leaves, but the plant is herbace- 
ous, with thin and delicate leaves, and with a nervation different from that 
under consideration. In Maclura the form, consistence, and nervation of 
the leaves are much like these, but there is apparently no tendency to the 
formation of the hastate or auriculate base. Hence the weight of proba- 
bility seems to be in favor of Magnolia, and for the present we leave it 
there. In consistence the leaves seem to have had smooth surtaces and to 
have been rather thick. 
Locality: Woodbridge. 
