115. RUTACEAE — Il6. SIMARUBACEAE 299 



3T. Filaments awl-sliaped. Petals 5, linear lanceolate or oblong. Flowers 

 rather large. — vSpecies i. Cultivated and naturalized in the tropics. 

 Yields timber, fragrant flowers, and medicaments . . . Murraya L. 

 Filaments broadened l^elow. Petals 4 — 5, elliptical or roundish. Flowers 

 rather small. — Spc^cies 5. Central and South Afiica. Some are used 

 medicinally. (Including Myaris Presl) Clausena P>urm. 



32. Ovary with 4 — 8 ovules in each cell. Anthers oblong. Pericarp leathery. 



. Seed-coat white, leathery. Leaves leather3^ — Species 4. Cultivated ; 

 also naturalized in the tropics. They serve as ornamental plants and 

 afford wood, fragrant flowers, and edible fruits (especially oranges and 

 citrons) from which drinks, medicaments, and perfumes are prepared. 



Citrus L. 



Ovary with numerous ovules in each cell. Anthers linear. Pericarp 



hard. Leaves with 3 leatlets 33 



33. Stamens lo. Seed-coat smooth. Leaves leathery. — Species i. Region 



of the great lakes Balsamocitrus Stapf 



vStamens numerous. Seed -coat woolly and sticky. Leaves lierbaceous. 

 '■ — Species i. West Africa. Yields timber and is used in medicine. 



Aegle Correa 



FAMILY 116. SIMARUBACEAE 



Shrubs or trees. Leaves simple or pinnate, not gland-dotted. Flowers in 

 spikes racemes or panicles, regular. Sepals 2 — 5. Petals 3 — 9, free. Disc 

 usuallv present. Anthers versatile, opening inwards by longitudinal slits. 

 Carpels free or united and then forming a several-celled ovary. Ovules i — 2, 

 pendulous or laterally attached. Seeds with a very thin albumen or without 

 albumen. — Genera 16, species 40. Tropical and South Africa. (Under 

 RUTACEAE.) (Plate 74.) 



1. Carpels 5, free, 2-ovuled. Disc indistinct. Stamens 5 — to, without an 



appendage. Corolla yellow. Fruit drupe-like. Embryo curved, with 

 a large radicle. Shrubs. Leaves undivided. — Species i. Tropics. 



[Subfamily SÜRIAN01DEAE.] Suriana L. 



Carpels united at least by the base or the apex of the style, i-ovuled. 

 Disc distinctly developed. Embryo with a very short radicle. [Sub- 

 family SIMARUBOIDEAE.] . 2 



2. Filaments with a scale-like appendage at the base. [Tribe SI MARÜBEAE] 3 

 Filaments without a scale at the base 



3. Stamens 6 — 14, twice as many as the petals. Anthers oblong or oval . 4 

 Stamens 15 — 18, thrice as many as the petals or more. Anthers linear. 



Ovaries 5. Style i. Corolla red. Trees. Leaves pinnate. [Sub- 

 tribe MANNIFNAE.] 8 



4. Ovaries and style-tips united. Fruit a drupe with 4 — 5 stones. Embryo 



curved. Shrubs. Leaves compound. — Species 2. Central Africa. 

 [Subtribe harrisoniinae.] Harrisonia (R.Br.) Juss. 



