388 MERRILL. 
27. Begonia ramosii sp. nov. 
Herba erecta^ succulentaj glabra, 20 ad 50 cm alta, pauce ramosa; 
foliis membrauaceis, oblongo-ovatis valde inaequilateralibus, basi non 
angustatis, valde oblique cordatis, apice aciiminatis, margine distanter 
irregulariter dentatis, baud lobatis; inflorescentiis axillaribus, brevibus, 
congestis, angustis, 3 ad 4 cm longis; floribus masculinis numerosis, 
sepalis 2, suborbicularibus, petalis nullis; capsulis obovatis, 1.3 ad 1.5 
cm longis, truneatis, base acutis, aequaliter 3-alatis. 
■ An erect, glabrous, succulentj sparingly branched herb 20 to 50 cm 
high, the lower parts of the stems prostrate or ascending, often rooting. 
Leaves when dry membranaceous, oblong-ovate, obliquely inequilateral, 
12 to 18 cm long, 4 to 7.5 cm wide, base obliquely and prominently 
cordate, both lobes rounded, one much narrower than the other, apex 
prominently acuminate, margins irregularly and rather distantly dentate, 
not lobed; basal nerves 7, the outer ones short the lateral nerves above 
the base usually about 3 on each side of the midrib; petioles 4 to 8 cm 
long; stipules caducous, membranaceous, 1 to 1.5 cm long. Panicle? 
in the upper axils, narrow, congested, 4 cm long or less. Male flowers 
pink, several on each of the very short lateral branches of the panicle, 
the bracts 10 to 15 mm long. Sepals 2, suborbicular or orbicular- 
obovate, about 7 mm long. Petals none. Stamens about 20. Female 
flowers: Perianth-lobes 4, subequal, oblong, obtuse, 9 to 10 mm long. 
Styles 3, forked; stigmas twisted. Capsules obovate, 1.3 to 1.5 cm 
long, about 2 cm wide, truncate or subtruncate, base narrowed, rounded 
or subacute, equally 3-winged; 
Luzon, Province of Laguna, San AntoniOj in forests.. Bur. »Sct, 109Jfl, 10942 
(type) 12047 Ramos, August, 1910. 
28. Begonia cumingiana (Kotzsch) C. DC. Prodr. 15' (1864) 320; F.-Vill. 
Noviss. App. (1880) OS; Vid. Phan. Cuiiiing. Philip. (1885) 116, Rev. PI. Vase. 
Tilip. (1886) 143. 
Petermannia cumingiana Klotzscli in Monatsb. Berl. Akad. (1854) 124, Abh. 
Akad. Berl. (1855) 7o, t, 6, f. C, 
DipJocUnium cumingiantim Miq. Fl. Ind. Bat. 1 * (1857) 691. 
Luzon, Province of Albay, Cuming 856 in herb. Kew. : Province of Albay, For, 
Bur. 12260 Curran, June, 1908. 
Tlie specimen collected by Mr. Curran agrees closely witli the description and 
with sketches made by myself from Cuming's plant in the Kew Herbarium. It is 
well characterized by its short petioles. 
Endemic. 
29. Begonia rizalensis sp. nov. 
Herba erecta, ramosa, subtus foliis ramulis petiolisque breviter brun- 
neo-strigosis; foliis oblongis valde inaequilateralibus, basi vix angiistatis, 
oblique cordatis, altero latere late rotundatis, altero angustis, acutis, apice 
acnminatis, margine distanter irregulariter dentatia; petiolo ad 10 
mm longo; floribus paniculalis, masculinis sepalis 2, reniformi-orbicu- 
