Order 89. Acanthacece. ' 229 



14. ASYSTASIA. Undershrubs, sepals narrow, corolla lobes 5, 

 about equal ; anthers oblong, 2-celled, ovary very hairy, capsule 

 with solid contracted base. 



15. LEPIDAGATHIS. Herbs or undershrubs, often prostrate, 

 generally bristly ; calyx of 2 large and 2 or 3 small segments ; 

 corolla tube swelling in the middle, limb 2-lipped, anthers 2- 

 celled, oblong. 



(&) Stamens two : 



16. NELSONIA. A diffuse herb, calyx 4 parted, anther cells 

 distinctly separate, capsule oblong, with the seeds in the lower 

 part. 



17. D^DALACANTHUS. Corolla tube long and narrow, limb 

 of 5 nearly equal segments, anthers narrowly oblong, 2-celled, 

 capsule with solid base. 



18. ANDROGRAPHIS. Herbs or very small shrubs, bracts very 

 small, sepals narrow, anthers with 2 parallel cells exserted, 

 capsule 6 to 12-seeded. 



19. HAPLANTHUS. Herbs, flowers more or less whorled, 

 with small bracts and verticilled thorns, capsule 6 to 16-seeded 

 from the base. 



20. JUSTICIA. Herbs or shrubs, often with leafy bracts, 

 calyx with 4 or 5 narrow segments, corolla short-tubed, anther 

 cells separate, the lower one with a white appendage. 



21. ADHATODA. Shrubs with leafy bracts, very like the 

 last, but the anther cells are acute and scarcely spurred. 



22. KHINACANTHUS. Shrubs, with small narrow bracts, 

 calyx small with narrow segments, corolla tube very long and 

 narrow, anther cells one above the other. 



23. ECBOLIUM. A small shrub, with large crowded bracts 

 and narrow calyx segments, corolla tube long and slender, 

 upper lip narrow, bifid, capsule long-stalked. 



24. KUNGIA. Diffuse herbs, flowers small, bluish or white, 

 in dense spikes, bracts with scarious margins crowded, capsule 

 short-stalked. 



25. DICLIPTERA. Diffuse herbs, calyx equally 5-parted, 

 covered with 2 large unequal bracts, corolla with slender tube 

 and gaping mouth, anther cells one above the other, capsule 

 club-shaped. 



26. PERISTROPHE. Differs from the last in the bracteoles 

 forming an outer calyx, with one or more oblong bracts twice as 

 long. 



