LEGUMINOS2-CASALPINIEA. 181 
arillate—Shrubs or undershrubs; leaves imparipinnate or subdigi- 
tate, more rarely 1-foliolate ; stipules small caducous ; flowers 
in axillary, often short, racemes ; bracts caducous ; bractlets 0 (Aus- 
tralia). See p. 128. 
51. Dicorynia Bunta.—Flowers of Cassia; sepals 5, ovate, very 
unequal, imbricated ; petals 3, posterior, much imbricated. Stamens 
2, free; anthers dehiscing by short openings at apex. Germen 
sessile pauciovulate ; style inflexed ; stigma small terminal. Legume 
obliquely or evenly ovate, plano-compressed coriaceous, inde- 
hiscent (?); placentary suture narrowly winged. Seeds compressed 
albuminous. — Unarmed trees; leaves alternate imparipinnate ; 
leaflets coriaceous ; stipules very caducous; flowers in compound 
much-branched terminal racemes; bracts and bractlets very cadu- 
cous (Zropical America). See p. 123. 
52. Martia Brenra.—Receptacle shortly conical. Sepals 5, 
slightly unequal, subhypogynous, either imbricated or subvalvate 
with obliquely-cut margins in estivation. Petals 5 (more rarely 4), 
slightly unequal, imbricated in estivation ; highest petal imnermost.. 
Stamens 4, 5, free subhypogynous; filaments short erect; anthers 
subbasifixed elongated acuminate 2-celled 4-locellate, dehiscing by 
2 short poriform clefts below apex. Germen central free sessile 
pauci- or more rarely o-ovulate; style subulate; stigma minute 
terminal. Legume large oblong plano-compressed, thinly coria- 
ceous, traversed by 2 longitudinal ribs; sutures broadly winged ; 
1- or few-seeded, indehiscent. Seed flat, reniform or subrhomboid ; 
albumen thin ; embryo compressed ; cotyledons thin ; radicle short 
straight.— Unarmed trees; leaves alternate imparipinnate; stipules 
very caducous ; flowers in compound much-branched terminal 
racemes ; buds acuminate curved ; bracts and bractlets very caducous 
(Tropical America). See p. 124. 
53. Storckiella Ssum.—Flowers of Marta; perianth hypogy- 
nous imbricated, usually 5- more rarely 3-6-merous. Stamens either 
10 or rarely more (Lustorckiella), or else 4 (Doga); anthers shortly 
Q-rimose below apex. Germen shortly stipitate, o-ovulate ; 
style subulate; apex thin stigmatiferous. Legume oblong plano- 
compressed coriaceous, longitudinally winged at placental suture, 
