50 The Philippine Journal of Science i»i6 



stipules lanceolate, 6 mm long, 1.8 mm wide below, long and 

 slenderly aristate-acuminate. Inflorescence paniculate, terminal 

 or in the uppermost axil, lax, 4 cm long or less, the branches 

 few, slender. Flowers few, the staminate ones with 2, broadly 

 ovate, subacute or obtuse, not rounded, sepals 3 mm in length. 

 Petals none. Stamens about 20. Anthers broadly obovoid, 

 rounded, 0.6 mm long. Female flowers apparently solitary at 

 the base of the staminate panicle, the sepals lanceolate, acumi- 

 nate or acute, 4 mm long, 1.2 to 1.5 mm wide. Stigmas 3, about 

 1 mm long, spirally twisted. Capsules not seen, but from the 

 female flowers (in anthesis) apparently equally 3-winged. 



Basilan, Cumalarang River, in forests, Bur. Sci. 16111 Reillo, August 

 30, 1912. 



A rather striking species, distinguishable by its lanceolate, very slen- 

 derly acuminate, more or less lacerate-lobed leaves which are narrowed 

 to the subequilateral acute or obtuse bases. It is manifestly allied to 

 Begonia lancifolia Merr., but can be readily distinguished by its smaller, 

 more narrowly lobed leaves, shorter petioles and stipules, subacute or 

 obtuse sepals of the male flowers and fewer shorter anthers. 



BEGONIA OLIGANTHA sp. nov. § Petermannia. 



Herba erecta, parce ramosa, glabra, circiter 30 cm alta ; foliis 

 oblongis, vel anguste oblongo-obovatis, membranaceis, usque ad 

 7 cm longis, sinuato-dentatis, acuminatis, deorsum angustatis, 

 leviter inequilateralibus, basi minute oblique subauriculatis ; in- 

 florescentiis terminalibus, paucifloris, floribus s circiter 18 mm 

 diametro, sepalis 2, late ovatis, petalis 2, oblanceolatis ; capsulis 

 1.3 cm longis, aequaliter 3-alatis, basi rotundatis, apice truncatis. 



An erect herb, glabrous throughout, about 30 cm high, spar- 

 ingly branched, the stems and branches reddish-brown when 

 dry. Leaves membranaceous when dry, green, oblong to nar- 

 rowly oblong-obovate, 5 to 7 cm long, 1 to 2 cm wide, slightly 

 falcate, narrowed below to the slightly inequilateral, obtuse, 

 obliquely subauriculate base, and above to the slenderly acumi- 

 nate apex, the margins distantly and irregularly siHHate- 

 toothed; petioles 2 to 7 mm long; stipules narrowly lanceolate, 

 long and slenderly acuminate, about 12 mm long, 1.5 mm wide. 

 Inflorescence terminal or in the uppermost axil, paniculate, 5 to 

 7 cm long, the branches very few, few-flowered, slender. Male 

 flowers: Sepals 2, broadly ovate, 9 to 10 mm long, about 6 mm 

 wide, obtuse or narrowly rounded. Petals 2, oblanceolate, ob- 

 tuse, 8 mm long, 2 mm wide. Stamens about 20, inserted on 

 the elongated torus; anthers narrowly obovoid, rounded, base 

 acute, 1.5 mm long. Pistillate flowers apparently solitary at 

 the base of each panicle. Capsules 1.3 cm long, 1 to 1.5 cm 



