77. RUBIACE^. 



!! Sometimes armed. Fls. solitary, fasci- 

 cled or in small cymes. 

 Ovary 1-celled, placenta? 2-5 . , . 12. Gardenm. 



Ovary 2-celled 13, Randia. 



B. Ovules solitary in each cell. 



1. Fruit baccate or drupaceous. 



rt. Corolla lobes twisted in bud, 



i. Flowers in terminal corymbose panicles. 



Style not twice as long as tube. . . .14-, Ixora, 

 Style twice as long as tube . . . ,15. Pavetta. 

 ii. Fls. 1-3 sessile terminal, or fls. in axillary 



fascicles 16. Coffea. 



h. Corolla lobes valvate. Stamens inserted near 

 cor. -mouth. Fruit with 2-many pyrenes, 

 i. Flowers in axillary cymes or fascicles. 

 Often thorny. 



Ovary 2-celled 17. Canihium. 



Ovary 3-5-celled. Calyx o-toothed , . 18. Vaiigueria. 

 Ovary 3-9-celled. Calyx 3-6-fid. Style-arms 



3-9 19. Lasianthus. 



ii. Flowers in terminal c;^Tnes. Unarmed 

 under-shrubs. 



Corolla straight 20, Pgi/chotria. 



Corolla curved 21. Chasalia. 



2. Fruit capsular. Shrubs iuiiid when bruised. 



Erect. Style 5-fid 22. Hamiltoniana. 



Twining. Styles 2 23. PoBderia. 



** Herbs (climbing shrub in Hedi/otis scandens). Corolla 

 valvate in bud :— 

 I, Ovules many in each cell. 



A. Petals toothed. Fruit indehiscent. Prostrate herb 24. Dentella. 



B. Petals not toothed. Fruit usually dehiscent or of 



cocci. 



1. Flowers secund on the cyme branches. 



Sub-succulent herbs. Capsules compressed . . 25. Ophiorrhiza. 



2. Flowers clustered or in cymose panicles, not 



secund. 

 Seeds angled or plano-convex. Sepals contiguous 2Q. Hedyotis. 

 Seeds angled or globose. Sepals remote . . 27. Oldenlandia. 

 Seeds peltate boat-shaped, coarsely pitted, Sep. 



remote 28. Anotis. 



II. Ovules solitary in each cell. 



A, Leaves not whorled (sometimes apparently w^horled 



from the congested axillary shoots). Fruit dehis- 

 cent or of 2 cocci, 



1. Flowers axillary, clustered. 



Not fleshy. Fruit capsular or of 2 cocci . . 29. Spermacoce. 



Fleshy. Fruit corky, compressed and keeled . 30. Hydrophylax. 



2, Fls. subspicate on the branches of terminal cj'mes 31. Knoxia. 



B. Leaves whorled, exstipulate, 



Fls. minute in axillary and terminal cymes. Carpels 

 indehiscent 32. Riibia. 



1. ANTHOCEPHALUS, A. Rich. 



Tree with large leaves and narrow lanceolate caducous stipules 

 enclosing the narrow -lane, bud. Flowers small in dense terminal 

 solitary globose heads without bracteoles and with more or less 

 connate hypanthia. Calyx-limb with 5 well-developed lobes. Corolla- 

 tube long, funnel-shaped, lobes imbricate. Stamens on the throat 

 with short filaments, Epigynous disc of 5 fleshy lobes. Ovary 4- 

 celled above, 2-celled below, placenta twice bifid. Style exserted, 

 stigma prominent narrowly clavate. Ovules very many. Each fruit 



420 



