BUT ACE JE. 497 



or less thick, coriaceous ; embryo fleshy, l-oo ; 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 (Trop. Asia). 

 See p. 407. 



VIII. BALANITES. 



84. Balanites Del. — Flowers 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. Grermen 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 (North-Eastem Africa, South- West. Asia). See 

 p. 410. 



IX. QUASSIEiE. 



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 



