xciv. APOCYNACE.E. (J. D. Hooker.) C21 



ORDER XCIV. AFOCYNACEJE. (By J. D. Hooker.) 



Erect or twining shrubs, rarely herbs or trees. Leaves opposite or whorled 

 (scattered in Cerbera and Plum end) f quite entire, exstipulate. Flowers in ter- 

 minal or axillary cymes, hermaphrodite, regular. Calyx inferior; lobes 5, 

 rarely 4, imbricate, often glandular within at tne base. Corolla rotate or salver- 

 shaped ; lobes 5, rarely 4, spreading, contorted and often twisted in bud, very 

 rarely valvate. Stamens 5, rarely 4, on the tube throat or mouth of the corolla, 

 filaments usually short ; anthers oblong linear or sagittate, conniving, connec- 

 tive sometimes adhering to the stigma ; cells 2, dehiscing length wise, sometimes 

 produced downwards into an empty spur ; pollen granular. Disk annular, cup- 

 ular or lobed, or of glands, or 0, sometimes concealing the ovary. Ovary 

 1-celled with 2-parietal placentas, or 2-celled with axile placentas, or of 2 

 distinct or partially connate carpels ; style simple or divided at the base only ; 

 top thickened ; stigma 2-fid, acute or obtuse. Ovules in each cell 2, or few or 

 many and 2-oo -seriate, rarely solitary. Fruit a dry or fleshy drupe, berry, or 

 samara, or of 2 drupes, berries or follicles. Seeds various, often winged, or with 

 a terminal pencil of long silky hairs ( Coma') ; albumen hard fleshy, or scanty or 

 ; embryo straight, cotyledons flat, concave, convolute or contorted, radicle 

 usually superior. DISTRIB. Species about 900, chiefly tropical. 



TRIBE I. Carisseee. Anthers included, free from the' stigma; cells 

 rounded at the base. Ovary of 2 wholly combined carpels, 1-2-celled. Fruit 

 large, usually fleshy or pulpy withjj). Seeds without wing or pencil of hairs. 

 Corolla-lobes overlapping to the left in all. 



* Ovary 1-celled, with parietal ovules. 



Fruit indehiscent. Albumen 1. WILI.OUGHBEIA. 



Fruit 2-valved. Albumen horny 2. CniLocAitprs. 



** Ovary 2-celled, with axile ovules. 



Flowers 4-merous. Erect shrubs. Seeds exalbuminons . 3. LETJCONOTIS. 



Climbing shrubs. Corolla-mouth with lobed scales ... 4. MELODIOUS. 



Climbing slender unarmed shrub. Corolla-mouth naked . 5. WIXCHIA. 



Erect or stout climbing armed shrubs 6. CABISSA. 



TRIBE II. Flumerieae. Anthers included, free from the stitrma, cells 

 rouncrff at the base. Ovary of 2 distinct carpels united by the style. Fruit 

 variouT Seeds peltate. Corolla-lobes overlapping to the left except in Ochrosia. 



SUBTRIBE 1. Rauwolfieae. Calyx eglandular within. Carpels 1-2-, 

 rarely 4-6-ovuled. Fruit of 2 1-seeded drupes or berries, rarely moniliform 

 (of superposed drupes). 



Leaves uijially whorled. Disc present. Albumen even . 7. PATJWOLFIA. 

 Leaves usually whorled. Disc 0. Albumen ruminate . . 8. ALYXIA. 

 Leaves opposite. Disc 0. Albumen smooth 9. HUNTEBIA. 



STTBTRIBE 2. Cerbereae. Calyx glandular within. Carpels 2-, rarely 

 4-ovuled ; ovules on opposite sides of a thick placenta. Drupes or berries 

 1-seeded, or 2-seeded, the seeds separated by the enlarged placenta. 



Leaves scattered, alternate. Corolla funnel-shaped . . . 10. CEBBERA. 

 Leaves opposite. Corolla salver- shaped, lobes overlapping 



to the right 11- OcHROj&jL 



Leaves opposite. Corolla salver-shaped 12. KOPSIA. 



