288 XCITI. TERBENACE^. 



tary, rarely in pairs. Fruit either dry, separating at maturity 

 into l-seecled nuts, or drupaceous, with a juicy, fleshy or spongy 

 sarcocarp. Seeds erect or pendulous, with or without albumen. 

 — A large Order of herbs shrubs and trees. Leaves commonly 

 opposite, alternate, in Selaginece, SliJhinecE, and a few others 

 exstipulate. Inflorescence racemose capitate or cymose. 



Suborder 1. Verbenese. Corolla with imbricate aestivation. Anthers 

 2-celled. Seeds erect, exalbnminous, with an inferior radicle. — Leaves oppo- 

 site or whorled, very rarely alternate. 



1. EuA'ERBENE^. Inflorescence indefinite, racemose, 



spiked or capitate or rarely solitary, axillary 

 flowers. Ovules erect. (Calyx tubtJar.) 

 Flowers axillary. Ovules 2 in each cell ... 1. Spielmannia. 

 Flowers in heads, spikes, or racemes, or panicled. 

 Ovules 1 in each cell. 

 Flowers in spikes or heads. 

 Limb of corolla 5-lobed. 

 Ovary 4-celled. 



Fruit of 2, rough or bristled, 2-celled 



nuts 2. Prita. 



Fruit of 4, striate or ridged nuts . . 3. Verbena. 

 Ovary 2-celled. 



Calyx herbaceous, splitting in fruit. 



Stamens 4, didynamous, perfect . . 4. BouCHEA. 

 Calyx membranous, compressed, 2- 

 ribbed. Stamens 2 perfect, 2 with- 

 out anthers 5. Stachttaepha. 



Limb of corolla 4-lobed. 



Fruit of 2, dry, separate or cohering nuts. 6. Lippia. 

 Fruit a fleshy or juicy drupe .... 7. Laktana. 

 Flowers in loose racemes or panicles. Ovary 8- 

 celled. Fruit concealed in the coloured 

 calyx • 8. Duranta. 



2. ViTiCEJE. Inflorescence definite, cymose. Ovules 



pendulous. Stamens exserted. 

 Corolla subequally 5-lobed, with a long tube . 9. CleeoDENDRON. 

 Corolla 2-labiate. Stamens ascending. ' 



Leaves simple. (Peduncles sometimes 1- 



flowered) 10. CtcloNEMA. 



Leaves compound, digitate, very rarely 1- 

 foholate 11. Yitex. 



3. AYiCENNiEiE. Inflorescence capitate or spiked. 



Calyx 5-parted. Corolla 4-fid. Ovules pen- 

 dulous. Embryo germinating within the pe- 

 ricarp. 

 Character the same as that of the tribe . . .12. Ayicennia. 



Suborder 2. Stilbinese. Calyx and corolla with induplicate-valvate 

 aestivation. Anthers 2-celled. Seeds erect, albuminous, with an inferior 

 radicle. — Leaves alternate, linear. 



Calyx equally semi-5-fid. CoroUa-lobes membranous, 



blunt. Fruit 1 -seeded 13. Stilbe. 



