THE FLORA OF MOUNT HALCON. 
307 
HYDNOPHYTUM Jack. 
Hydnophytum formicarium Jack in Trans. Linn. Soc. 14 (1823) 124. 
Epiphytic, in forests along the Alag River below 100 m. alt. (No. 6182). 
Malayan Peninsula, Cochin China, Sumatra and Borneo. 
Hydnophytum nitidum Merrill n. sp. 
Tuber diametro ad 25 cm.; cuales ramique lignescentes teretes vel 
ramuli jun lores leviter compressi, foliis oblongo-ellipticis, coriaceis, 
nitidis, obtiusis, 3 ad 6 cm. longis, snbsessilibns ; flores breviter tubu- 
losi, sessiles, ad articulationes fasciculati; corolla 3.5 mm. longa. 
Tuber about 25 cm. in diameter, glabrous; the stems glabrous, brown 
or gray, terete, the younger branchlets reddish-brown and slightly com- 
pressed, 60 to 80 cm. long, branched. Leaves oblong-elliptical, 3 to 6 
cm. long, 1 to 2.5 cm. wide, coriaceous, glabrous, the upper surface 
shining, the lower dull, margins slightly recurved, the apex rounded, 
the base subacute or rounded, the midrib prominent, the lateral nerves 
three or four on each side of the midrib, obscure or nearly obsolete; 
petiole very short or wanting. Flowers fasciculate, sessile at the nodes, 
few, white. Calyx truncate, glabrous. Corolla 3.5 mm. long, the tube 
cylindrical 2 mm. long, barbulate with tufts or hairs at the throat between 
the insertion of the stamens, the lobes 4, narrowly ovate, acute, 1.5 mm. 
long. Stamens 4, filaments wanting; anthers 0.8 mm. long. Style 3 
mm. long, slightly cleft at the apex. 
Epiphytic in the mossy forest at 1,400 m. alt. (No. 6181) ; also collected by 
Merritt at an altitude of about 800 m. (No. 4358). 
A species characterized by its coriaceous shining elliptical-oblong leaves and 
small flowers, apparently belonging in the group with H. formicarum Jack, fol- 
lowing Beccari’s classification. 13 
NERTERA Banks & Soland. 
Nertera depressa Banks & Soland. ex Gaertn. Fruct. 1 (1788) 124 t. 26. 
On bowlders along shaded streams at 700 m. alt. (No. 5614) ; also collected 
by Merritt on exposed ridges at 2,250 m. alt. (No. 4459). 
On many of the higher mountains of the Philippines. 
Widely distributed in Malaya, Australia and South America. 
CAPRI FOLIACE2E. 
SAMBUCUS Linn. 
Sambucus javanica Reinw. ex Blume Bijdr. (1826) 657. 
In old clearings at 900 m. alt. (No. 5572). 
Widely distributed in the Philippines. 
British India to Japan and Malaya. 
Malesia 2 (1884-85), 123-175. 
