34 LXX. RUBIACEH (HIERN), 
A. Ovules indefinite ; rarely: few, 2 or more. 
1. Fruit dry, capsular or 2-coccous or rarely dehiscing irregularly at the apex, or 
fruits confluent into a fleshy syncarpium. 
Flowers arranged in compact or confluent globular heads =I. NaucLEEm. 
Flowers solitary or not in compact nor confluent globular heads. 
Seeds winged 
Trees or shrubs i se es ees 
Seeds not winged 
Herbs or shrubs usually small } sss + + + IL Hupyorpen. 
2. Fruit baccate, indehiscent (except Mussenda luteola, Del.) ; fruits not confluent 
into a syncarpium. 
Corolla valvate in estivation . . . . . 
Corolla imbricated or cuntorted in estivation. 
Seeds numerous, small, angular. Corolla-lobes imbri- 
cated or contorted in estivation. . . . . . 
Seeds rounded or if angular then not numerous and 
small. Corolla-lobes contorted in estivation . . VI. GaRDENIEE. 
8 ee II. CrincHoNEs. 
oe ee IV. Muss#nDE”. 
V. HamMeEvire&, 
B. Ovules solitary. 
1. Radicle of the embryo superior. 
Corolla imbricate in estivation. . . . . . . - . VII. GuerrarpEe®. 
Corolla contorted in estivation. . . . . . . « « VIII. ArBertem. 
Corolla valvate in estivation . . . . . . . »« « IX. VANGUERIER, 
2. Radicle of the embryo inferior. 
Corolla contorted in estivation, . . . . 1... X. Ixorex. 
Corolla valvate in eestivation. 
Leaves stipulate; stipules unlike the leaves. 
Flowers capitate, calyx-tubes confluent 
Calyx-tubes not confluent, separate. 
Ovules basilar erect anatropous. 
Flowers hermaphrodite. 
Fruit indehiscent . . . 
- « «= « XI. Morinpez. 
. « + - . XII. Psycuorrine. 
Fruit dieosecous . 2. 2 ww. ee 6X. Papert. 
Flowers unisexual. . . . . . . . . ) . XIV. ANTHOsPERMER. 
Ovules attached to the septum, amphitropous . XV. SeeRMAcocEé. 
Leaves exstipulate, verticillate (or the stipules foliace- 
ous, like the leaves). . oe eo e - . |). 6UMVI, Gariem. 
I. Navcierm. 
Calyx-tubes confluent. Fruits forming a syncarpium. 
Corolla imbricate in estivation . oe ew ee 
Calyx-tubes contiguous or slightly cohering, not confluent. 
Fruits capsular not forming a syncarpium. Corolla valvate 
in estivation. 
Bracteoles between the flowers paleaceous. Branches 
without spines. 
Calyx-limb half cleft . 
i 
. SARCOCEPHALUS. 
i oe een - . 2 Apia, 
Calyx-limb truncate or obscurely toothed . . 8. Mirracyne. 
Bracteoles wanting. Branches spinous. . . . . . 4, UNcaRIA. 
II. Cincuonex. 
Corolla valvate in estivation, funnel-shaped. 
Cymes spicate. Corolla-limb not appendaged . « . 6. Hymenopicryon. 
Cymes corymbose. Corolla-limb appendaged . . . . 6, CogyNANTHE. 
Corolla contorted in wstivation, salver-shaped . . . . 7, CrossopTERYX. 
Il. Hepyorme. 
Anthers connivent, dehiscing by apical pores. Fruit burst- 
ing irregularly atthe apex . . . . =... . . . & ARGOSTEMMA. 
