228 LETTER XLIX. 



RIonopctaloiis Exogcns. •• 



Group 3. AggregoscB. 



a. The Composite-flowered Tribe (Asteraccsc or 



Compositse), Plate XVII. 1. 

 The Scabious Tribe (Dipsacea?), Plate XLIV. 2. 

 The Valerian Tribe (Valerianacea)). 

 The Brunonia Tribe (Brunoniacese). 



b. The Rib-grass Tribe (Plantaginacea?), Plate XVII. 



2. 

 The Globularia Tribe (Globulariacese). 

 The Lead wort Tribe (Plumbaginacese). 



Group 4. Nucamentous. 



a. The Water-leaf Tribe (Hydrophyllacea^). 



The Borage Tribe (Boraginaccas), Plate XV. 1. 



b. The Mint Tribe (Lamiacese, or Labiatse), Plate 



XVI. 1. 

 The Vervain Tribe (Verbenacese). 

 The Myoporum Tribe (Myoporacea3). 



Group 5. Dicarpous. 



a. The Trumpet-flower Tribe (Bignoniaceae), Plate 



XLIII. 2. 



b. The Justicia Tribe (Acanthacea^). 

 The Butterwort Tribe (Lentibulacese). 

 The Gesnera Tribe (Gesneracese). 



The Broom-Rape Tribe (Orobanchaceai). 

 The Foxglove Tribe (Scrophulariacea?), Plate 

 XVI. 2. 



