105. VERBENACE^. 



I. Inflorescence centripetal: spicate, racemose or rarely 

 narrowly panicled. Ovules Tjasal or lateral. (Genera 

 1-7) :- 



A. Fls. sessile. Spikes simple :— 



1. Pyrenes or drupels 2 or 1, 1-seeded :— 



a. Spikes capitate. Fruit subglolDose :— 



Calyx truncate or sinuate-dentate. Fruit suc- 

 culent !• 



Calyx 2-4-fid. Fruit dry 2. 



b. Spikes elongate. Fruit dry, oMong or linear. 



St. 2 3. 



2. Pyrenes 4. Spikes elongate or capitate. Herbs . 4. 



B. Flowers pedicelled. Racemes simple or panicled :— 



1. Ovary 1-carpellary, sub-2-celled. Frt. 2-1-seeded : - 

 Scandent introduced shrub with blue flowers . . 5. 



2. Ovary 2-carpellary, -l-celled. Pj-renes 2, 2-seeded . 6, 



3. Ovary 4-carpellary. 8-celled. Pyrenes 4, 2-seeded . 7. 

 II. Inflorescence centrifugal or composite, with partial in- 

 florescences cymose (Genera 8-end) :— 



A. Ovules lateral, amphitropous. Ovary more or leas incom- 



pletely 4-celled :— 



1. Fruit drupaceous, sometimes dry but not capsular:— 



a. Flowers regular or nearly so : — 



Fls. 4-merous. Cymes axillary. Drupe with 4 (-1) 

 pyrenes 8. 



Fls. 4-G-merous. Panicles terminal. Drupe wnth 

 4-3-celled endocarp 9. 



b. Fls. distinctly zygomorphic. Stamens didyna- 



mous : — 

 i. L. digitate. Drupe with 4 (-l)-celled endocarp 10. 

 ii. Leaves simple :— 



* Drupe with 4 (-l)-celled endocarp :— 

 Fls. small white. Drupe small, under "3" 11. 

 Fls. 1", yellow. Drupe over -o" , . 12. 

 ** Drupe with 4 drupels or pyrenes :— 



Cor.-tube slender. Drupe exserted, 



usually succulent 13. 



Cor.-tube widened upwards. Drupe dry 

 included in entire calyx. Large scan- 

 dent shrub with red membranous calyx 14. 



2. Fruit sub-capsular, dry. Fls. zygomorphic . . 15. 



B. Ovules apical, pendulous, orthotropous. Fls. sub- 



regular : — 

 Cymes with an involucre of large bracts. Cor. 6-16- 



'merous, white 16- 



Cymes not involucrate. Corolla 4-merous, yellow . 17. 



Lantana. 

 Lippia. 



Stachytarpheta, 

 Verbena. 



Petrcea. 



Cifharextjliim. 



Duranta, 



Callicarpa, 

 Tectona. 



Premna. 

 Gmelina. 



Clerodendron. 



SohngJcioldia. 

 Cari/opferis. 



Si/mphorema. 

 Acicenua. 



1. LANTANA, L. 



Pubescent, scabrous or prickly shrubs, rambling or climbing, with 

 4-gonous branches and simple petioled, crenate, often rugose leaves. 

 Flowers small, in peduncled capitate ovoid or cylindrical spikes. 

 Bracts exceeding the calyx, bracteoles 0. Calyx small, membranous, 

 truncate or sinuate-toothed. Corolla with slender tube and 4-5 

 spreading lobes. Stamens didynamous, included. Ovary 2-celled, 

 style short, stigma oblique, subcapitate. Ovules 1 in each cell. 

 Fruit drupaceous with 2 bony 1-seeded pyrenes. Seed without 

 albumen, radicle inferior. 



Branches strigosely-hairj', erect. Spikes elongate. Bracts obovate or 

 ell. -ovate, outermost sub-involucriform 1- indica. 



Branches mostly aculeate, spreading. Spikes in flower sub-umbelliform, 

 not elongate. Bracts lanceolate 2. camara. 



704 



