Rubiacea.'] rubiace^. 145 



entire, with intei*petiolar stipules, wliicli are either small and sometimes inside 

 the leaves, or resemble the leaves and form with them a regular whorl. In- 

 florescence various. 



A very large Order, dispersed over every part of the globe ; the ChiclionecB and Coffeece 

 almost entirely tropical or subtropical ; the Stellatce chiclly inhabiting the more temperate 

 or cold regions. 



Tribe 1. Cinclionese. — Leaves opposite or rarely whorl ed, with small stipules between 

 or inside of them. Ovules several (rarely 2 only) in each cell of the ovary. 

 Corolla valvate in the bud. 



Flowers very numerous, closely packed in globular heads on a 



small receptacle. Fruit capsular. Seeds winged ... 1. Adina. 

 Flowers in cymes, panicles, or axillary clusters. Fruit capsular. 

 Seed not winged. 

 Capsule broader than long. Herbs in terminal or rarely axil- 

 lary cymes 3. Ophiorhiza. 



Capsule globular or ovoid. Flowers in axillary clusters or in 

 loose panicles. 



Capsule septicidal or indehiscent 4. Hedyotis. 



Capsule loculicidal 5. Oldenlandia. 



Flowers in terminal corymbs or cymes, 2 outer calyx-lobes very 



large and coloured. Fruit a berry 6. Muss^nda. 



Corolla imbricate or contorted in the bud. 



Fruit capsular. Seeds winged. Prostrate shrubs 2. Thysanospermum. 



Fruit a berry. Seeds not winged. Erect shrubs. 



Lobes of the corolla and calyx 6 or more. Ovary 1 -celled, 



with parietal placentas. Flowers solitary, terminal . . 7- Gardenia. 

 Lobes of the corolla and calyx 5. Ovary 2-celled, with axile 

 placentas. 

 Seeds immersed in a fleshy placenta or thick pulp. Flowers 



axillary, or 1 to 3 at the ends of short brauches ... 8, Randia. 

 Seeds numerous, angular, with little or no pulp. Flowers 



numerous, in terminal corymbs 9. Stylocoryne. 



Lobes of the corolla and calyx 4. Ovary 2-celled, with 2, or 



rarely 3 or 4 ovules in each 10. Diplospora. 



Tribe 2. CoflFeese. — Leaves opposite or rarely whorled, with small stipules. Ovules 1 

 only in each cell of the ovary. 

 Stipules entire. Fruit a drupe or berry. 



Ovules peltately attached to the middle of the cell. Corolla imbricate. 



Style bifid at the top, with recm-ved lobes 12. Ixora. 



Style entire, or the lobes erect and connivent 11. Pavetta. 



Ovules suspended from near the top of the cells. 



Corolla imbricate. Ovary-cells 4 or 5 13. Guettardella. 



Corolla valvate. Ovary-ceUs 2 14. Canthium. 



Ovules erect from near the base of the cells. Corolla valvate. 

 Ovary-cells usually 4 or more. 



Flowers united several together in pedunculate heads . .15. Morinda. 

 Flowers distinct, clustered in the axils of the leaves . . .16. Lasiantuus. 

 Ovary-cells 2. , -, „ -r. 



Fruit a drupe, with a hard nucleus. Corolla-tube short . 17. Psychotria. 

 Fruit a berry. Corolla-tube much longer than the lobes . 18. P.ederia. 

 Stipules fringed with bristles. Fruit dry, small, separating into 2 

 crphgIs 

 Ovules laterally attached or ascending. Flowers axillary . . 19. Spermacoce. 

 Ovules pendulous. Carpels opening or separating at the base . 20. Knoxia. 

 Tribe 3. Ste\\^t2&.— Stipules similar to the leaves, and with them forming whorls of 



4^ or more. Ovules \ in each cell 21. Galium. 



L 



