RUTACEÆ. 497 
or less thick, coriaceous; embryo fleshy, 1-»; cotyledons usually 
unequal, irregular, plano-convex or angular; radicle short, superior. 
—Trees or shrubs, often thorny, aromatic pellucid-punctulate ; leaves 
alternate, persistent, usually 1-foliolate; petiole more or less dilated 
in wing; foliole coriaceous, entire or crenulate ; flowers axillary, 
solitary or in simple or compound racemose cymes (Zrop. Asia). 
See p. 407. 

VIII. BALANITES. 
84. Balanites Det.—F lowers hermaphrodite; receptacle depressed. 
Sepals 5, obliquely imbricated at margin, deciduous. Petals 5, alter- 
nate, glabrous or villous, imbricated. Stamens 10, 2-seriate, inserted 
in inferior grooves of disk; filaments free, subulate; anthers in- 
trorse, 2-rimose. Germen free, surrounded at base by depressed 
conical 10-sulcate disk, excavated at apex ; cells 5, oppositipetalous ; 
style short, subulate, terete, cr 5-sulcate, stigmatiferous, simple or 
minutely 5-lobed at apex; ovules solitary in cells, descending ; 
micropyle extrorse, superior. Drupe oblong, fleshy, oily ; putamen 
thick, hard, 5-agonal, 1-locular, 1-spermous ; seeds descendent ; 
embryo exalbuminous, thick; cotyledons oblong, plano-convex, 
sometimes corrugate or 2-lobed; radicle short, superior.—Spinose 
epunctuate shrubs; spines axillary, straight, strong; cortex bitter ; 
leaves alternate, 2-foliolate ; folioles coriaceous, entire ; stipules very 
small, lateral; flowers in cymes axillary to leaves or bracts ; pedicels 
articulate at base (Worth-Hastern Africa, South-West. Asia). See 
p. 410. 
IX. QUASSIEA. 
85. Quassia L.— Flowers hermaphrodite, regular, usually 5- 
merous ; receptacle obconical or obpyramidal. Calyx partite or 
lobed, imbricated. Petals more or less thick, contorted or more 
rarely imbricated, finally at anthesis erect, connivent or oftener 
patent. Stamens double in number to petals, the oppositipetalous 
being shorter; filaments inserted with perianth, free, often enlarged 
at base in villous scales; anthers introrse, 2-rimose. Carpels equal 
in number to petals, and opposite them. Germens free, 1-locular, 
seated on summit of flat receptacle; styles coalescing in long 
VOL, IV. K K 
