335 LEAFLETS OF PHILIPPINE BOTANY [Vor. I. Art. 16 
Rivea cinerea n. sp.—Shrub, climbing tall trees; stems 
and branches flexible, smooth, green or yellowish when old, 
the ultimate twigs soft cinereous pubescent and disposed 
to twine. Leaves soft, rather membraneous, roundly ovate, 
15 cm. long excluding the petiole, almost as wide below 
the middle, apex abruptly acute, base deeply cordate, soft 
cinereous pubecent but especially so beneath; nerves 8 to 10 
pairs, the basal 4 pairs arising approxmimately from near 
the base and divaricate or the lowest ones recurved, the 
upper pairs ascending; petiole 6 mm. long, similarly pubes- 
cent, easily detaches at the base. Infrutescence upon 3 to 
9 dm. long erect branches; peduncles t to 7 em. long, short 
pubescent, usually divaricately branched by. twos; pedicels 
thickened especially toward the apex, 1 to 1.5 em. long; 
calyx 8 mm. high, spreading, twice that across, leathery, 
pubesent on the outside, the overlapped margins thin and 
glabrous, 5, broadly elliptic and with rounded apices; fruits 
pendulous or subpendulous, shining smooth and purple, nearly 
2 cm. long and 1 cm. in diameter, ellipsoid. sessile upon 
a broad rim; stone hard, smooth, 1 cm. long, 6; mm. thick, 
ellipsoid. pon d e 
Type specimen 8882, A. D. E. Elmer, Baguio. Province of 
Benguet, Luzon, March, 1907. Near Sablan. It sprawls over 
the tops of trees and: large shrubs and forms tangled masses. 
The Igorrotes call it Quahal and its stems are used for tieing 
purposes. : s 
Merremia similis n. sp.— Su'scandent and sprawling; 
stems and branches slender and wiry. Leaf blade 2 dm. 
long, fully as wide, the basal cordate’ sinus broad and 
rounded, apex abruptly tapering to a: slender acuminate 
point, margins entire, subinvolute, subcoriaceous, glabrous 
above or with only a few strigulose hairs, beneath soft dirty 
yellow pubescent and much paler, flat, horizontally dispos- 
ed, petiolate; nerves 14, the lower 3 pairs from near the 
base and divaricate, the upper 4 pairs oblique,’ prominent 
beneath, the larger ones above. caniculate, the. cross bars 
beneath also conspicuous. Inflorescence short corymbosely 
panieulate; peduncles terete, 5 mm. thick, short rusty pu- 
bescent when in the young state, ultimately. becoming 
