16 
2. N. cumingiana Vid. 
++++ Leaves lanceolate, attenuate at base or unequally rounded. 
3. N. bartlingii DC. 
+4 +4 o Leaves orbieular, subcordate at base. 
4. N. reticulata Hav. 
* * Petiole and leaf nerves beneath glabrous. 
-— Leaves 4-nerved, apex caudate. 
5. N. philippinenses (Vid.) Hav. 
-— -— Leaves more numerously nerved, not caudate. 
++ Foliage longer than 18 em. and wider than 8 em. 
= Leaves elliptic obovate, acute or obtuse at base, 9 to 11- 
nerved; linear calyx segments subpersistent. 
6. N. media Hav. 
== = Leaves ovate, elliptic to oblong, obtuse or rounded at base 
8 to 10-nerved; trunate calyx segments caducous. 
7. N. purpurascens Korth. 
++ ++ Foliage smaller in size. 
8. N. vidalii n. sp. Tree, 8 m. high, with a trunk 4 
dm. in diameter; bark coarsely and deeply checked; branch- 
lets thick, glabrous, brown, dotted with small elliptie len- 
ticels. Leaves opposite, 4 em. apart, glabrous on both sides, 
coriaceous, oblong to obovate, about 12 em. long including 
the thick 5 mm. long petiole, 5 em. wide, obtusely rounded 
at apex, base subauriculate or truncately rounded, the brown 
nerves prominent beneath, with 7 to 9 lateral pairs. Infru- 
tescence upon stout rigid peduncles, ternate or ternately | 
compound; heads upon short articulate stalks, globose, 25 
mm. in diameter; the subpersistent truncate calyx yellowish 
pubescent; fruit about 8 mm. long, brown and glabrous on 
the sides, angular, gradually tapering from the base, dehis- 
cing laterally, 2-celled; seeds numerous, imbricate, yellowish 
brown, glabrous, lenticular, its testa extended from each end 
into hyaline wings. 
Type specimenG138 A. D. E. Elmer, Sablan, Provinee of 
a Benguet, Luzon, April, 1904. 
