396 
MERRILL. 
subequal, 5 to 6 mm wide, somewhat narrowed and subacute or blunt, 
rarely rounded. Placentae 2-partite. 
Balut Island, Merrill 5419, October 8/ 1906, on rocks along streams in 
shaded ravines, altitude about 400 m. Mindanao, Butuan Subprovince, Agusan 
River near Waloe, Merrill 1306. 
A species manifestly allied to Begonia rhombicarpa A. DO., but with quite 
differently shaped leaves. It is probably also closely allied to B. colorata Warb., 
but differs from that species in its leaves and capsules. 
40. Begonia colorata Warb. in Perk. Frag. FI. Philip. (1904) 51. 
Mindanao, District of Davao, Sibulan, Warburg 14633, July, 1888, type in 
herb. Berol. ! 
This species is possibly represented by Copeland 803, from a rocky bluff near 
Davao, Mindanao, April 2, 1904. 
Endemic. 
41. Begonia gitingensis Elm. Leafl. Philip. Bot. 2 (1910) 738. 
Herba succulenta ; f oliis longe petiolatis, in siccitate chartaceis, oblongo- 
ovatis, leviter inaequilateralibus, basi cordatis, vix vel obscure obliquis, 
supra angustatis, acuminatis, usque ad 22 cm' longis, margine subintegris 
vel leviter irregulariter dentatis; stipuli^ lanceolatis, acuminatis, 1.5 
cm longis; inflorescentiis foliis aequalibus vel longioribus, longe pedun- 
culatis, paniculatis; floribus masculinis sepalis 2, oblongo-ellipticis, 5 
mm longis; petalis 2, quam sepala multo angustioribus ; capsulis sub- 
rhomboideis, 7 mm longis, 12 ad 15 mm latis, subaequaliter 3-alatis. 
SiBUYAN, Mount Giting-giting, Elmer 12368, April, 1910 (type number), 
altitude about 530 m. 
Endemic. 
42. Begonia mindorensis sp. nov. 
Herba parce brunneo-ciliatis ; foliis oblique ovatis, membranaceis, usque 
ad 16 cm longis, basi subaequilateraliter cordatis, lobis rotundatis, haud 
superpositis, apice distincte acuminatis, margine leviter irregulariter un- 
dulato-lobatis, subtus ad nervos petiolisque brunneo-ciliatis ; stipulis 
oblongo-ovatis, acuminatis, plus minus ciliatis, circiter 1 cm longis; 
pedunculis quam folia paullo longioribus; floribus circiter 1.5 cm diam- 
etro; capsulis aequaliter 3-alatis, 8 ad 10 mm longis, utrinque retusis, 
alis rotundatis. 
An herbaceous plant, the stems creeping, rooting, brown, rather stout, 
slightly ciliate with long brown hairs ; stipules membranaceous, oblong- 
ovate, acuminate, brown, about 1 cm long, more or less ciliate. Leaves 
obliquely ovate, membranaceous, 8 to 16 cm long, 5 to 10 cm wide, the 
upper surface glabrous, the lower distinctly brown-ciliate on the nerves, 
the base subequally cordate, the lobes broad, rounded, the sinus narrow, 
acute, 1 to 2 cm deep, the apex distinctly and rather sharply acuminate, 
the margins slightly and irregularly undulate-lobed, the larger lobes few, 
none of them exceeding 1.5 cm in length, acute, the smaller ones much 
broader, rounded or acute; base palmately 7- to 9-nerved; petioles 6 to 
