260 LXXXYII. SCROPnULARIACEiE. 



** Corolla neither saccate nor calcarate at base. 



Tribe 3. Citelone^. Caljx-lobes or segments imbricate in aestivation. 

 Corolla tubular, tube long or ovoid-inflated. — Inflorescence compound. 

 Stamens 4 ; in Ixianthes the two anterior barren. 



Calyx 5-parted. 



Fruit capsular, dehiscent. 



Corolla-tube long, incurved, limb short, oblique ; 

 stamens decluied, exserted ; capsule very ob- 

 lique 7. Phygelitjs. 



Corolla-tube ovoid-ventricose, limb 2-labiate, 

 the upper lip galeate, erect, 2-dentate, lower 



inflated, 3-lobed 8. Bowkeeia. 



Corolla tubvilar, limb sub-2-labiate, all the seg- 

 ments spreading, flat ; stamens ascending ; 



capsule ovate or oblong 10. Fbeylinia. 



Fruit an indehiscent bei'ry ; corolla-lobes 5, 



spreading, flat 11. Teedia. 



Calyx bell-shaped, 4-5-lobed or toothed. 



Calyx wide, cup-like, shortly 3-5-lobed ; corolla 

 tubular, wider upwards, limb oblique, with 5, 



broad, short, flat lobes 9. Halleria. 



Calyx semi-5-fid ; corolla-tube short, limb 2-labi- 

 ate, the upper lip 2-fid, with flat lobes ; the 

 lower very large, concave, boat-like, very shortly 



3-fid at apex . . , 12. Anasteabe. 



Calyx deeply 2-lipped, the upper lip 3-fid, lower 2- 

 parted ; corolla-tube wide, short, inflated, upper 

 lip erect, shortly 2-fid, lower flat, widely 3-lobed 13. Ixianthes. 



Tribe 4. Escobedie^. Calyx ample, 5-toothed or 5-lobed, valvate in 

 aestivation. — Inflorescence centripetal, peduncles oppositely 2-bracteate. 



Calyx loosely ovate-campanulate, angular, inflated ; 

 corolla funnel-bellshaped, with wide, spreadmg 

 lobes 14. Melasma. 



Calyx bell-shaped, 5-toothed or 5-fid ; corolla bell- 

 shaped or globose, with a widely 5-lobed, oblique 

 limb 15. Alectra. 



Tribe 5. Geatiole^. Calyx-lobes imbricate in aestivation. Corolla tu- 

 bular or very rarely rotate. — Inflorescence centripetal (spiked or racemose), 

 very rarely (in Manulea) irregularly compound. 



*Leaves all (even the lowest) alternate. 



Prostrate or densely tufted ; leaves crowded ; 

 flowers axillary, sessile ; capsule short, com- 

 pressed upwards, obcordate 16. Aptosimum. • 



Kigid, much branched, often viscid ; leaves alter- 

 nate ; flowers axillary or subracemose ; capsules 



ovate-oblong, acute 17. PELiosTOiruif. 



**Leaves, or at least the lower ones, opposite. 

 Anthers 1 -celled. 

 Calyx 2-labiate. 

 Anthers of the 2 upper stamens larger, in- 

 cluded ; of the 2 lower in the throat, small 

 or deficient 18. Nycterinia. 



