29. BUTACFJE. 



©xstipalate leaves. Flowers regular and usually 2-sextial in 

 cymes or panicles. Calyx of 4-5 lobes 01 sepals. Petals 

 4-5 (or more in Citrus) valvate or imbricate. Stamens 

 hypogynous, diplostemonous, i.e. 8 or 10, rarely (Citrus, 

 ^Egle) numerous. Filaments usually free and anthers 2-celled 

 introrse. Disc within the stamens, crenate or lobed, sometimes 

 large or long. Ovary entire or lobed 4-5-celled, or more celled 

 (in many Aurantiese). Styles as many as carpels or united 

 with terminal stigma. Ovules usually 2 in each cell, some- 

 times numerous. Fruit very various. Seeds usually solitary in 

 the cells, never winged, albumen fleshy or 0. Embryo straight 

 or curved, radicle superior. 



An order usually readily distinguished by its glandular leaves and 

 flowers, closely allied to the Meliaceae through Chloroxylon of that order, 

 which also has glandular leaves and distinct stamens, but is retained 

 in Meliacece on account of its fruit and winged seeds. 



All the Chota Nagp'ur representatives of the order belong to the 

 tribe Aurantieae in which the fruit is bacoate. L. alt. ia all. 



I. Ovules 1-2 in each cell. 

 A. Unarmed. 



1. Style very short persistent, not jointed. Lflta. 



1-5 1. Qlycosmis. 



2. Style jointed on the top of the ovary and 



deciduous. 



a. Petals valvate. Lflta. over 3 7 long (at least 



the upper) .... . . 2. Micromelum. 



b. Petals imbricate, Lflts. mostly under 3'' 



Fls. in cymes or corymbs. Filaments 



linear-subulate . . . .3. Murray a, 



Fls. in elongate panicles. Filaments 



dilated below 4. Clausena. 



B Armed 5. Limonia. 



IL Ovules more than 2 in each oell. Trees or shrubs 

 usually armed. 



Leaves 1-foiiolate 6. Citrus. 



Leaves 3-fyliolate ..... 7. Male. 



Leaves impari-pinuate 8. Feronia. 



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