6 



LXXXIX. BORAGINE.E (BAKER AND WRIGHT). 



[Cor dia. 



subhorizontal ; hilum small ; testa membranous ; albumen present 

 or absent ; embryo straight or curved ; cotyledons usually entire, rarely 

 bifid or plicate. — Herbs, shrubs or trees. Leaves alternate, exsti- 

 pulate. Inflorescence normally a dichotomous cyme ; branches 

 frequently scorpioid. Flowers various in colour, usually blue or white. 

 Calyx often more or less accrescent. 



Species 1200, cosmopolitan in temperate and tropical regions. 

 * Style terminal on the ovary. 



Stigma terminal on the style. 



Style twice forked 1. Coedia. 



Style once forked. 



Stamens inserted at or near the throat of the 

 corolla-tube ...... 



Stamens inserted low down in the corolla-tube 

 Styles two, distinct ...... 



Style simple ....... 



Style with a stigmatose ring helow the apex. 



Fruit usually drupaceous .... 



Fruit of 4 dry nutlets ..... 



** Style inserted between the four lobes of the ovary. 

 Calyx large, very accrescent ..... 



Calyx but little accrescent. 

 f Flowers regular. 



Nutlets depressed orbicular 

 Nutlets ovoid, triquetrous on the inner face. 

 Throat of the corolla appendiculate with 

 scales ....... 



Throat of the corolla without scales 



Style bifid 



Style simple. 



Filaments as long as the anthers 

 Filaments very short. 



Corolla-lobes contorted . 

 Corolla-lobes imbricate 

 ft Flowers more or less irregular. 

 Corolla-limb nearly regular 

 Corolla-limb distinctly irregular. 



Stamens short ..... 



Stamens long ..... 



1. CORDIA, Linn.; Benth. et Hook. f. Gen. PI. ii. 838. 



Flowers often polygamous. Calyx-tube funnel-shaped or tubular, 

 smooth or sulcate ; lobes 2-5, short, sometimes cohering. Corolla-tube 

 cylindrical or funnel-shaped ; lobes 4-5, patent or recurved, usually 

 imbricate or subcontorted. Stamens usually 4-5, inserted in the 

 corolla-tube ; filaments filiform ; anthers ovate-oblong or linear. Ovary 

 4-celled ; style elongated, filiform, twice forked ; stigmas 4, linear or 

 capitate ; ovule erect, attached at the base or below the middle. Fruit 

 a drupe surrounded by the persistent accrescent calyx ; endocarp 

 usually bony ; cells 4 or by abortion fewer, 1-seeded. Seeds ascending, 

 exalbuminous ; cotyledons very plicate ; radicle short. — Trees or shrubs. 

 Leaves alternate, rarely subopposite, petioled, entire or crenate-dentate. 



2. 

 3. 



4. 

 5. 



Eheetia. 

 Ehabdia. 

 Coldenia. 



POSKEA. 



6. 



7. 



Tocenefoetia. 

 Helioteopitjm. 



8. 



Teichodesma. 



9. 



Ctnoglossum. 



10 



Akchusa. 



11. 



Aenebia. 



12. 



Seeicostoma. 



13. 

 14. 



Myosotis. 

 Lithospeemum 



15. 



LOBOSTEMON. 



16. 



17. 



ECHINOCHILON. 

 ECHIUM. 



