IX, C, 4 
Merrill: Philippine Plants, X 
309 
prominent nerves and slender reticulations brown ; lateral nerves 
about 16 on each side of the midrib, very prominent on the 
lower surface, somewhat curved, anastomosing near the mar- 
gins; petiolules 2 to 5 mm long. Panicles terminal and in 
the upper axils, brown when dry, very slightly pubescent, 
in fruit up to 40 cm long. Immature fruits obovoid, 1 to 
1.5 cm long, externally densely covered with a short, dense, 
brownish-purple indumentum, the persistent petals oblong, 
pubescent, 4 mm long. Staminal tube very short, 0.5 mm long 
or less, the filaments flattened, ciliate-pubescent, about 1.5 mm 
long, obtuse, the anthers 0.5 mm in length. 
Mindanao, District of Zamboanga, near Margosatubig, in hill forests, 
For. Bur. 13761+ Foxworthy, DeMesa, & Villamil, May 11, 1912, altitude 
about 120 meters, and locally known to the Moros as sasa. 
A very distinct and characteristic species, readily distinguished from 
all previously described ones by its 7-foliolate leaves and its short staminal 
tubes. 
BUXACEAE 
BUXUS Linnaeus 
BUXUS RIVULARIS sp. nov. § Eubuxus. 
Frutex circiter 1 m altus, glaber; foliis coriaceis vel sub- 
coriaceis, lanceolatis, usque ad 5 cm longis, utrinque subaequaliter 
angustatis, apice acute acuminatis, basi acutis; racemis axillari- 
bus, solitariis, 1 ad 2 cm longis. 
A shrub about 1 m high, glabrous, the branches slender, light- 
gray, terete, the branchlets distinctly angled. Leaves lanceolate, 
2.5 to 5 cm long, 5 to 12 mm wide, rather pale when dry, of 
about the same color and slightly shining on both surfaces, 
subequally narrowed to the acute base and to the sharply acum- 
inate apex, subsessile or very shortly petioled, often a little fal- 
cate; nerves very faint, anastomosing in a distinct marginal 
nerve. Racemes axillary, solitary, 1 to 2 cm long, glabrous, male 
flowers below, the terminal flower usually female, the pedicels 
about 3 mm long, the bracteoles ovate, acute, 1 mm long. Male 
flowers: Outer two sepals lanceolate, acuminate, about 2.2 mm 
long, 1 mm wide, the inner two as long but ovate or oblong-ovate, 
acute, 1.5 mm wide. Filaments about 2.5 mm long. Rudimen- 
tary ovary depressed-globose, entire. Female flowers at the 
end of the raceme bearing the male flowers. Bracteoles linear- 
lanceolate, the outer 2 sepals ovate, a little longer than the inner 
four which are broadly ovate, acute, 2.2 mm long, slightly ciliate- 
pubescent, all slightly accrescent in fruit, persistent, and about 
3 mm long. Ovary glabrous. Young fruit ovoid, glabrous, 5 
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