76 THE FLORA OF THE AMBOY CLAYS. 
MacGnouia Loneirpes Newb. n. sp. 
Pl. LIV, figs. 1-3. 
Leaves ovate-oblong, rounded or wedge-shaped at base, obtuse at sum- 
mit, very long petioled; nervation open, midrib very strong, lateral nerves 
relatively remote and delicate, uniting above to form a festoon of large 
meshes parallel with the border. 
The most striking feature in these leaves is the length of the petiole, 
which sometimes reaches 12° or 13%, whereas in M. glaucoides and M. 
longifolia it does not exceed 5™ in length. Another distinguishing feature 
is the loose and open character of the secondary nervation. 
Locality: Woodbridge. 
MaGnouta LONGIFOLIA Newb. n. sp. 
Pl. LV, figs. 3,5; Pl. LVI, figs. 14. 
Leaves oblong or long-ovoid, 30™ or more in length by 10™ in width at 
the broadest part, petioled, base narrowed or rounded, summit subacute or 
obtuse; nervation characteristic of the genus, midrib strong, lateral nerves 
nearly uniform in strength, running parallel toward the margin, there 
uniting in a festoon or rather large loops. Between the principal lateral 
nerves issue shorter secondary nerves which branch at the summit and are 
lost among the areoles of the tertiary nervation. 
I include in this species a group of quite large Magnolia leaves, of 
which a fair idea can be obtained from the figures now given. These leaves 
are so large that we have never succeeded in taking out one of them entire; 
yet in fig. 1 on Pl. LVI we have what is approximately the full form of the 
leaf. The summit belonged to a different leaf from the base, but the por- 
tion represented corresponds very nearly to that which was broken away. 
Locality: Woodbridge. 
Genus LirR1IopENDRON Linneeus. 
The genus Liriodendron, as all botanists know, is represented in the 
living flora by a single species, ‘the tulip tree,” which is confined to 
eastern America, and a doubtful variety, from eastern Asia, L. tulipifera 
chinense. It isamagnificent tree—on the whole, the finest in our forests. Its 
