176 G. K\ng^ Materiah for a Flora of the Malayan Fe^iinsitla. [No. 1, 
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or 3 or 1, if fewer than 10 with or without sterile filaments ; filamenta 
free filifoim ; anthers versatile doliiscing longitudinally. Ovary stalked, 
many-ovtiled ; style long or shorh, stii^ma Bmall or large and peltate, 
eubtermiiial or oblique. Fod linear or oblong, flat, coutinuoiis witliin, 
dehiscent or indebiscent. Seeds albuminous, fuiiicnlus ctaually broadly 
triangular. Species 150> spread throughout the tropics. 
Fertile st«nienB 10^ (Sowere large Bho;>'7) : — 
LeaflatB distiuct j caljs with a, prodoced tube and a 6' 
cleft limb (§ Ltsiphyllum) ; a very exteuBive cirrhose 
climber ... ... * ... 1. B. diphylla, 
Leafletfl connate; culysi with a Bhoi"t tabs and tL Bpatha- 
ceous limb (§ Pauletia) ; sbrnba :~ 
Lubf?B of leaves rounded ; flovvers yellow the upper 
patal with a central purple blotch j pod paberuloua, 
not ribbed along upper a at are ... ... ... 2. S. totnentosa* 
Iiobes of leaTOH aabacute : floivers pure white i pod 
glttbrouf! ribbed along eitoh side of upper sotur© ... 3. B. acuminata. 
Fertile atamenfl 3 
Calyi-tubo produced (§ Phaskra) :^ — 
Buda narrowly clavate, the calyi-fcnbo pasHiug graduftUj 
. into the liunbi teminJs Oj (flowerB large HbowyJ: — 
ISrect i leaves glabrous abotre ; calyx-limb spatha* 
oeouB ; poda glabrous ... ... ... 4. B^pitrpurea^ 
OHmbingj leaves pnbemlonB above j oalyx-limb 
dividing into equal Begmenta ; pods pubesnent ... 5. B. inGliiaaitim. 
Buds widely cla?ate, with a rather abrupt transition 
from tube to limb ; tendrils ciroinate mora or leas 
plia nt if al : — 
Bnda club-shaped— ca'Syx-tnbe aligbtly ampullse- 
formly dilated duwnws^rda, limb in bnti obovate ; an- 
thers mnoh longer than broad ; (leaves of two connate 
leaflets with roouded or subacute apiceB) 
Petals glabrous except on mitirib and claw eiter- 
nally ; (flowera long-pedic*jlled in pyramidal ter- 
minal corymbs) : — 
Stipules perai stent ; style glabroni ... ... 6. B. alho'lntea. 
Stipules deciduous; ttyle densely pubescent ... 7. B. semibijida. 
Petals uniformly densely pabea^ent externally : — 
Petals much longer than calyx -lobes 
Flowers long-pt-dicelled in pyramidal lateral 
and terminal corymbs ; lenves pubescent, 
(Btipules large peraiatent orbicular) ... S. B. Hult^ttii. 
Flowers sliort-pedicened in dense terminal 
corymbs ; leaves glabrooB ; — 
Stipules large persistent orbioalar ... &. B, Qri§ithtana. 
Stipules small deciduoos ... 10, B. ferrugineo.. 
Petals not longer than calyx-lobes ; (leaves pubes- 
cent ; corymbs terminal dense, flowers very 
■hortly pedicelled) ... ... ,„ 11. B, Ridhyi. 
