LXXXIV. APOCYNACE.E (STAPf). 20 



Corolla funnel-shnped, campanu- 

 late or urceolate, usually with 

 transverse scales or swellings 

 above the insertion of the 

 stamens ; anther-tails acute, 

 straight or nearly so. 

 Flowers in terminal and axillary 

 panicles or corymbs, rarely 

 ill few-flowered subsessile 

 cymes; corolla-lobes as long 

 as, or more often very 

 much longer than, the tube 38. Baissea 

 Flowers in dt-nse, small, subses- 

 gileaxilbiry cymes ; corolla- 

 lobes as long as or shorter 

 than the tube . . .39. Zygodia. 



Corolla more or less salver-shaped, 

 without transverse scalis or 

 swellings above the in- 

 sertion of the st miens; 

 anther-tails very obtuse, 

 strongly recurved. 

 Corolla with 5 ligulate scales 

 in the mouth; anther-tips 

 acute, glabrous . . 40. Oncinotis. 



Corolla without scales in the 

 mouth; anther-tips bearing 

 a minutely plumose mucro 41. Motandra. 

 **Leaves spirally arranged ; stem succulent. 



Unarmed 42. Adenium. 



Armed with spines at the bas^i of the leaves . . 43. Pachypodium. 



1. VAHADENIA, Stapf. 



Calyx 4-5 lin. long ; sepals 5, broad-ovate, glabrous, with a fringe of 

 short filiform glands within at the base, spreading or reflexed in fruit. 

 Corolla salver-shaped, fleshy ; tube subcylindrie, slightly widened and 

 staminif erous, at the middle, 7-8 lin. long, mouth naked ; lobes 5, over- 

 lapping to the left. Stamens included ; filaments filiform, very short ; 

 anthers linear-oblong, bilobed at and dehiscing to the base. Disc 0. 

 Ovary entire, truncate, pubescent except at the glabrous base, 1 -celled ; 

 placentas 2, parietal, very much projecting ; style filiform ; stigma 

 conical from a thickened base, minutely 2-lobed, at the level of the 

 anthers ; ovules numerous, pluriseriate. Fruit n. globose berry ; 

 pericarp very hard, woody. Seeds about 20. — A semiscandent glabrous 

 shrub. Leaves opposite, petioled ; secondary nerves distant ; axillary 

 stipules 0. Flowers middle-sized, stout, shortly pedicelled, in few- 

 flowered corymbs at the ends of the distant branches of an elongate 

 panicle, which (like the rhachis) are sensitive and act as hook- 

 tendrils. 



Species 1, endemic. 



Allied to the sections Mesandroecia and Ancyluhotr ys of Landolphia, but differing 



