378 
MERRILL. 
An erect herb 25 to 40 cm high, simple or sparingly branched. Young 
stems and petioles with few, brown, setose hairs. Leaves membranaceous, 
glabrous, inequilaterally oblong-obovate, 5 to 13 cm long, gradually 
narrowed from about the middle to the narrow and obliquely cordate base, 
both basal lobes rounded, one much wider than the other, the margins 
in the upper one-half or two-thirds more or less dentate-lobed or toothed, 
apex acuminate; basal nerves about 7, the outer ones short, the inner 
ones and those leaving the midrib above the base sharply ascending; 
petioles 3 to 10 mm long; stipules lanceolate, acuminate, about 5 mm 
long. Panicles in the uppermost axils, 3 to 5 cm long, slender, dichotom- 
ously branched, the lowermost flowers female, the upper ones male, the 
bracts very small. Male flowers pink. Sepals 2, ovate, obtuse, about 
5 mm long and 4 mm wide. Petals 2, nearly as long as the sepals but 
less than one-half as wide. Anthers 20 or less. Female flowers not 
seen. Capsules about 1 cm long, subrhomboid in outline, equally 3- 
winged, the wings about 5 mm wide. 
Mindanao, Butuan Subprovince, Agusan River near Waloe, on banks along 
small streams in forests, altitude about 50 m, Merrill 7 312 (type), October 2, 
1910; Talacogon, Weber 1209, July, 1911. 
7. Begonia brevipes sp. nov. 
Herba ereeta, parce ramosa, circiter 30 cm alta; petiolis ramis ramu- 
lisque sparse brunneo-setosis ; foliis inaequilateraliter oblongis vel 
oblongo-ovatis, usque ad 7 cm longis, apice acuminatis, basi angustatis, 
acutis, vel uno latere angustatis, acutis, altero plus minus rotundatis, 
vix cordatis, margine plus minus lobato-dentatis denticulatisque ; petiolo 
vix 5 mm longo; floribus masculinis parvis, sepalis 2, petalis nullis, 
femineis 5-meris; capsulis 12 mm longis, truncatis, aequaliter 3-alatis. 
An erect slightly branched herb about 30 cm high, the petioles, 
branches and branchlets somewhat brown-setose. Leaves membranaceous, 
5 to 7 cm long, 2 to 3.5 cm wide, inequilaterally oblong or oblong-ovate, 
the apex rather slenderly acuminate, the base narrowed and acute on 
both sides, or acute on one side and wider and rounded on the other, the 
margins distinctly and irregularly lobed-dentate, and more or less denti- 
culate; nerves distinct beneath, brown, very slightly setose; petioles 2 
to 4 mm long ; stipules lanceolate, acuminate, about 5 mm long. Stam- 
inate and pistillate flowers in different inflorescences on the same plant, 
both in the uppermost axils. Staminate inflorescence 3 to 4 cm long, 
slightly branched, the flowers pink, their pedicels 5 to 6 mm long. Sepals 
2, broadly ovate, about 5 mm long. Petals none. Stamens about 16 ; 
anthers narrowly obovoid, 1 mm long. Pistillate inflorescence 3-flowered, 
the peduncle 1.5 cm long, the pedicels slender, 1 to 1.5 cm long. 
Perianth-segments 5, narrowly obovate, 5 to 6 mm long. Styles united 
for the lower 1 mm, the arms about 2 mm long, each cleft near the 
