838 RENGAL PLANTS. [Congea. 
734. Congea Roxb. 
climbing shrubs; leaves opposite, entire. Flowers in 
itate 9-flo 
ak capitate, 3- wered cymes; bracts _at base of 
peduncles leaf-like, oe eyme-bracts 3-4, elliptic or oblong, 
connate below. Sepals 5, connate in a funnel- ene slightly 
accrescent calyx ; limb toothed. Petals connate in a short, 2-lobed 
corolla; tube slender, rarely much exceeding calyx ; throat usually 
hairy; upper lip suberect, 2-lobed, lobes linear-oblong ; lower lip 
3-lobed, lobes shorter, pendent, obovate. Stamens 4, slightly didy- 
namous ; anthers exserted, ovate ; ie parallel. Carpels connate 
n imperfectly 2-celled ovary; ovules 4, pendulous from apex 
ie axis; style filiform; stigma shortly 2-fid. Fruit small, obovoid, 
almost dry, usually 4-partite and 4-seeded. 
1622. Conca ToMENTOosA Roxb.; F. B. I. iv. 604; E. D. C. 1763. 
ittagong : onidbraed cultivated in othe provinces. 
A large climber. 
735. Avicennia Linn. 
Shrubs or small trees; leaves coriaceous, opposite, entire. 
Flowers small, sessile, in capitate, peduncled heads of close cymes, 
paired in penultimate s or terminal in 3-chotomous corymbs ; 
lobed ; lobes ovate, imbricate, unchanged in fruit. Petals connate 
in a short corolla; tube wide, cylindric, straight; limb with 4 sub- 
equal lobes, or with uppermost rather the widest. Stamens 4, 
adnate to corolla-throat; filaments subequal; anthers shortly 
exserted, ovate; cells parallel. Carpels connate in an imperfectly 
led i i 
compressed capsule; valves two, thick, leathery. Seed solitary, 
erect; embryo imperfectly covered by its two integuments; coty- 
ledons large, longitudinally plicate; radicle inferior, villous. : 
1623. AvICENNIA OFFICINALIS Linn.; F. B. I. iv. 604; E. D- 
1655. ii 
Sundribuns ; Chittagon 
tree; leaves obtuse; capsule broad. Beng. Bien. 
1624. Avicennta apa Bl. A, officinalis var. alba F. B. I. 
iv. 604. 
Figen Hees on river banks. 
A hrub; leaves acute; capsule narrow. Beng. Baen- 
