1902.] G. King— Matenals for a Flora of the Malmjan Peninsula. 65 
lateral nerves, length 3"5 to 5 in. j br<;adlh'l'25 to 3"5 in. ; petioles vary- 
ing in length from 2'5 to 7 in., slender, 2-to B-flowered. Flowers white» 
tinged with red. MaIjE9 ; sepals 2, elliptic-oblong, '4 in. long ; petah 0. 
Stammis linear-oblongs shortly and blantly apicnlate : filaments short. 
Fkmale ; the perianth of 5 very unequal lobea, the outermost larger 
than the sepals of the male. Capsules '6 in. long and 1 in. broad, 2- 
celled ; tbe 2 lateral wings snb-elliptic, obliqne, *3 in. broad ; the posterior 
wing oblong, blunt, -6 to '7 in long and '35 in. broad, 
Pebak J King's CoUedor 5962. 
This has leaves reaembliag those of B. borneensiSj bat tlie flowera are fower and 
larger, Becoari'a Sumatra Bpecimeus (F.S. 857), in froib only, appear to beloDf; to 
tliia apecies. 
15, Begonia vencsta, King n. sp. Rhizome slender, creeping ; whole 
plant glabrona. Leaves reniformly ovate, shortly acuminate, the basal 
sinus deep j the edges snb-entire or remotely and minrately denticulate ; 
both snrfacea smooth, shining : main-nerves 7, radiating from the base* 
slender; length 3 to 5'5 in.; breadth 2 to 3" 5 in.; petioles unequal, 
slender, from 6 to 12 in. in length. PeduncUs 3" 5 to 6 in. long, bearing 
about 3 pedunculate pinkish-white flowers near the apex. Male ; sepals 
2, ovate-rotnnd, blunt, "75 la. loog. Petals somewhat larger. Stamens 
narrowly oblong, with a lai'ge apiculas ; filaments nnequal, the inner 
ODes long, the outer .short. Females smaller than the male, the perianth 
of 5 unequal brood blunt segments ; styles, very short, with numerous 
broad depressed lobules. Capsule Z in. long and 1"J5 in. broad (to Uxe 
ends of tbe wings) ; lateral wiags more than half aa long as the posterior, 
broadly triangular, blunt ; posterior wing oblong, blunt, -7 in. long. 
Pebak ; at an elevation of about 6,000 ft., Wraif 1598. 
The leaves are not unlike fchose of B. pattpereula and B. hormemis but th© floffers 
are large aud handsome. 
16, Begonia megapteeoidei, King n. sp. Rhizome as thick as a 
swan-qtiill, creeping on rocks. Leaves broadly and very obliquely ovate, 
acuminate ; botH sides of the base roanded but very Eiieqnal, the ainug 
between them wide, the edges remotely and minutely dentate, upper 
surface glabrous ; the lower also glabrous except the rusty-pubescent 
nerves which are also scaly near the base ; main-nerves about 8, radiat- 
ing f rom the base, the larger branched and all rather prominent ; length 
(from apei of petiole to apex of blade) 4 to 5 in. ; breadth 4 to 6 in. ; 
petiole 12 to 16 in. long, glabrous. Peduncles from half as long to 
nearly as long as the leaves, glabrous, ebracteate below tbe flowers. 
Male flowers : sepafe rotund -ovate, very obtuse, 1 in, long and *6 to '7 in. 
broad ; petals much smaller, elliptic : stamens numerous, in a conical 
J. IL 9 
