i.x.v. iiuiii.vcK.E. 577 



or setose. Flowers liennaplirodite (rarely 1-sexual), usually regular. 

 IiiHorescence various. Calyx-tube adnate to the ovary ; limb various. 

 Corolla regular, gamopetalous, infundibuliroriTi, liypocrateriform or 

 rotate; limb of 4-G segments, usually equal, valvate or imbricate or 

 coutortcd (to the left as seen from outside). Stamens as many as the 

 segments of the corolla, inserted on its mouth or tube ; filaments short 

 or long ; anthers 2-eelled. Disk epfgynous, usually annular or cushion- 

 shaped. Ovary inferior, 2-lO-eelled ; ovules 1 or more in each cell ; 

 style simple, 2-fid or mullifid ; stigmas various. Fruit berried, capsular, 

 drupaceous or of dehiscent or indehiscent cocci, 2-10-celled. Seeds 

 various ; albumen fleshy or horny ; embryo straight or curved ; cotyle- 

 dons flat or semi-terete ; radicle superior or inferior, — Disteib. Chiefly 

 tropical and subtropical ; genera about 340 ; species about 4000. 



Ovules more than 2, usually numerous in each cell [rarely 

 solitary iu some species of Anu/is (ilJjJ. 

 Flowers crowded in dense globose heads. 



Calvx-tidws fused into a fleshy mass 1. SAHCOCEi'iiAr.us. 



Calyxtiibes not fused into a llrshy uiass. 

 Corolla-lobes imbricate. 



Seeds not winged ; stigma fusiform .-.. 2. Antmocepiialus. 



.Seeds winged ; stigma globose 3. NaucleA. 



Corolla-lobes valvate. 



Calyx clol't 2-way down ; stigma clavate 4. Adina. 



Calyx truncate; teeth obscure; stigma mitriforni. 5. Mitragyna. 

 Flowers not iu dense beads. 

 Fruit capsular. 

 Trees or shrubs. 



Corolla-lobes valvate; seeds winged G. HvMEN'onicTYON, 



Corolla-lobes twisted ; seeds not winged 7. Wendlandia. 



Herbs (the Bombay species). 

 Corolla-lobes valvate. 



Corolla-lobes with a tooth on each side 8. Dentei.L4. 



Corolla-lobes entire. 



Anthers connivent, dehiscing by apical 

 pores; capsule bursting irregularly at 



the apex 9. Augostem-ma. 



Anthers not counivent, dehiscing later- 

 ally ; capsule usually regularly dehiscing, 

 rarely indehiscent. 

 Calyx-teeth 4. 



Calyx-teeth contiguous on the 



capsule 10. Hedyoti.?. 



Calyx-teeth distant on the capsule. 

 Seeds numerous, minute, an- 

 gular 11. Olde.nlandia. 



Seeds few, piano - convex, or 

 globose with a large ventral 



cavity 12. Axotis. 



Calyx-teeth o 13. Oi'inoRRHizA. 



Fruit a fleshy berry. 



Corolla-lobes valvate 14. Muss.enda. 



Corolla-lobes twisted. 



Inflorescence terminal [sometiuies axillary or 

 lpaf-oi)posed in Bcnidia (IC))]. 

 Ovary 2-celled. 



Seeds few 1.5. Tarenxa. 



Seeds numerous 10. Randia. 



Ovary 1-celled 17. Gardenia. 



Inflorescence axillary [see also Randia (IB)]. 



Flowers in clusters ; ovary 2-3-cclled 18. Dii'lospoka, 



