20, 4 Merril: Noteworthy Philippine Plants, XVII . 473 
‘pale brownish, the apex subacute to very shortly and obtusely 
acuminate, the base subacute, often slightly inequilateral; lateral 
nerves 2 or 3 on each side of the midrib, or sometimes 4 on the 
broader side of the leaf, prominent, ascending; petioles about 
3 cm long, pubescent. Racemes in the upper axils, up to 5 cm 
long, the flowers white, scarcely scorpoid in arrangement, about 
8 mm long, the bracts spatulate to oblong-oblanceolate or often 
narrowly obovate, membranaceous, somewhat pubescent, 6 to 8 
mm long. Pedicels 3 mm long or less. Calyx somewhat pubes- 
cent, the base cuneate, the lobes oblong-ovate, obtuse, membra- 
naceous, about equaling the petals. Petals much thickened, 
oblong-ovate, acuminate, glabrous, about 3 mm long. 
MINDANAO, Zamboanga District, Malangas and Mount 
Tubuan, Bur. Sci. 36834 (type), 36580 Ramos & Edaiio, October, 
1919. Along small streams in forests at low altitudes. 
Among the few Philippine species of this genus the present 
one is most closely allied to Pentaphragma pulgarense Elm. of 
Palawan. 
COMPOSITAE 
VERNONIA Schreber 
VERNONIA BONTOCENSIS sp. nov. 
Frutex scandens, ramis leviter pubescentibus, parce lenticel- 
latis, ramulis dense sordide pubescentibus; foliis membranaceis 
ad chartaceis, oblongis ad oblongo-ellipticis, 5 ad 9 cm longis, 
atro-olivaceis, integris, acutis vel acuminatis, basi acutis, subtus 
eglandulosis, nervis utrinque circiter 6, reticulis ultimis cys- 
tolithiformis; inflorescentiis axillaribus terminalibusque, capi- 
tulis paucis (2 ad 5), racemose dispositis; capitulis 14 mm 
longis, cylindraceis, circiter 8-floris, bracteis interioribus 7 mm 
longis, margine et apice pubescentibus; acheniis 4 mm longis, 
perspicue glandulosis. ‘ 
A scandent, woody vine, the branches grayish brown, terete, 
longitudinally striate, slightly pubescent, very sparingly lenticel- 
late, the ultimate branchlets 1.5 to 2 mm in diameter, densely 
pubescent with short, dirty brown hairs. Leaves membra- 
naceous to chartaceous, oblong to oblong-elliptic, 5 to 9 cm long, 
2 to 3.5 em wide, dark olivaceous, slightly shining, subequally 
narrowed to the acute or shortly acuminate apex and the cuneate 
base, the margins entire, the upper surface entirely glabrous, 
the lower surface sparingly pubescent on the midrib and nerves, 
eglandular, the ultimate reticulations on the lower surface dis- 
tinctly cystolith-like; lateral nerves about 6 on each side of the 
