pollen granular. Disk annular, cupular, or o scales, sometimes con- 

 cealing the ovary, or 0. Ovary 1-ceiled, 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, thickened at the top ; 

 stigma 2-fid, obtuse or acute ; ovules few or many in each carpel. 

 Fruit a berry drupe or samara, or of 2 baccate or follicle-like meri- 

 carps. Seeds various, often with a tuft of hairs at one or both ends 

 or \vinged ; albumen hard or fleshy, or scanty or ; embryo straight. 

 Cotyledons flat or contorted. Species over 900, chiefly tropical, 



Anthers included, free from the stigma, cells 

 with rounded bases. 



Ovary of 2 completely connate carpels, 

 fruit a berry, seeds neither winged nor 

 comose, corolla- lobes overlapping to 

 the left. Spinous shrubs . . . 1. CARISSA. 

 Ovary of 2 carpels, united usually by the 

 style (see Rauwolfia). 



Calyx not glandular inside, corolla- 

 lobes overlapping to the left. 

 Fruit indehiscent, of 2 more or 

 less c nnata 1-seeded drupes, 

 leaves whorled. A shrub . . 2. RAUWOLFIA. 

 Fruit dehiscent, of 2 slender free 

 follicles. 

 Leaves opposite, seeds not 



comose . . .3. LOCHNERA. 



Leaves whorled, seeds comose 



at both ends ... 4. ALSTONIA. 

 Calyx glandular inside. 

 Seeds comose at the apex, follicles 

 many-seeded, corolla-lobes over- 

 lapping to the right . . . 5. HOLARRHENA* 

 Seeds few, imbedded in pulp, not 

 comose, corolla-lobes overlapping 

 to the left .... .6. ERVATAMIA. 

 Anthers included or exserted, cohering in a 

 cone round the style and attached to it, 

 cells spurred at the base, ovary of 2 carpels 

 united by the style only or (in Vallaris) 

 connate in flower, fruit follicular. 

 Anthers exserted, leaves opposite. 



Mouth of corolla without scales, the 



lobes overlapping to the right . 7. VALLARIS. 

 Mouth of corolla with a corona of 

 scales, the lobes overlapping to the 

 left 8. WRIGHTIA. 



