7 
and sessile, those of medium size ovate to elliptic ovate, 
base obtuse or rounded, apex abruptly acute or frequently 
obtuse, with 9 to 11 pairs of nerves; stipule 15 mm. long, 
connate at the base, oblong, obtuse or rounded at the apex, 
brown, submembranous, usually glabrous, its midnerve pro- 
minent toward the apex. Inflorescence axillary, solitary or 
in few flowered cymes; pedicels and peduncles glabrous, 
flattened, usually curved and bibracteate; pedicels of fruit 
about 15 mm. long, the peduncles more than twice that in 
length; calyx glabrous, 10 mm. long, divided into 5 seg- 
ments which are finely ciliate on the edges, oblong or 
oblanceolate, exceeding the corolla; segments of corolla twisted 
and imbricate in bud, ovate to elliptic, 5, united only at 
the base, throat sparsely hairy; stamens 5, inserted upon 
the short corolla tube near the base; filaments short, at- 
tached to the middle dorsal side of the 2 mm. long anther; 
fruit leathery, ellipsoid, 15 mm. in diameter, 2 cm. long, 
with a short persistent calyx tube, 1-celled; pericarp 1.5 
mm. thick; seeds numerous, flattened, smooth and with 
rounded edges, 2 em. across, finely striate, similar to the 
seeds of a buttercup. 
Type specimen of the flower 437, E. B. Copeland, Davao 
Province of Davao, Mindanao, March, 1904; fruiting specimen 
457, Forestry Bureau, collected by J. F. Quadras, Dinagat, 
February, 1901. This may be only a form of the preceding 
species. 
HYDNOPHYTUM JACK. 
* Leaves elliptic or obovate; medium and lateral nerves evident. 
1. H. formicarium Jack. 
* * Leaves lanceolate or oblanceolate; medium and lateral nerves 
obscure. 
2. H. philippinensis Becc. 
HYMENODICTYON WALL. 
i. H. excelsum Well. 
HYPOBATHRUM BLM. 
* Leaves oblong or elliptic, aeute or obtuse. 
1. H. frutescens Bim. 
* * Leaves lanceolate, acuminate. 
+ Foliage glabrous. 
