/ 



472 LXXXITI. SCROPIIULARINE.E. 



SUBTRIBE 2. I^iudernled^.—S^ein-leaves oj)posite. Upper stamens perfect and in- 

 cluded in the iahe. Loiver stamens inserted in the throaty either reduced t( staminodia 

 or with long arched filaments tcith an angle or small lobe or appendage near the base, the 

 anthers contiguous or cohering under the upper Up. Capsule opening in 2 entire valves 

 parallel to the dissepiment. 



Perfect stamens 4. 



Calyx deeply divided into herbaceous segments, dilated and 

 imbricate at the base. Mowers large. Appendage to the 



lower stamens broad and flat 12. Artanema. 



Calyx deeply divided into linear segments, sometimes cohering 

 in a 5-toothed calyx (not angular as in Torenia), Appendage 



to the lower stamens linear i3. \andellia. 



Perfect stamens 2. Staminodia 2. Calyx divided to the base. 

 Staminodia acute with an angle tooth or lobe near the base. 



Capsule globular or broadly ovoid . . 14. Ilysanthes, 



Stauiiuodia linear and obtuse, entire. Capsule oblong or linear. 15. Bonnava. 



SuBTRiBE 3. Limosellese.— -Swa// creeping or prostrate herbs with opposite f 

 clustered leaves. Corolla CminuteJ with a short tube and 5 nearlg equal lobes (mtivation 

 variable?). Anthers l-celled. Capsule various. 



Calyx 5-toothed. Stamens 2. Leaves opposite. 



Capsule indehiscent or bursting irrcj^ularly or obscurely 4- 

 valved ....... ... 16. Peplidium. 



Capsule loculicidally 2-valved .!!'!!'!!! • . .17- MicrocakfSa. 

 Calyx obtusely 3- or 4-lobed. Stamens 2 or 4. Capsule loculici- 

 - dally 2-valved. Leaves opposite ,.......- 18. Glossostigma. 



Calyx -toothed. Stamens 4. Leaves clustered or alternate. 



Capsule opening in 2 valves parallel to the dissepiment ... 10- Limoseixa. 



SiJBOKDER III. 'Rhinajithidese,— Corolla either with 4, 5 for rarely ^nore ^^^ 3^^f 

 not Australian) spreading lobes, variously imbricate in the bud, the upper ones very ra y 

 outside^ or 2-tipped with the upper lip inside. Inflorescence centripetal or very rare y 

 genera not Australian compound. 



Leaves all alternate. Calyx 5 -cleft to the base. Corolla deeply 



_ 5-lobed. Stamens 4 or 5. Anthers 2.celled, sagittate ... 20. Capbaria. 



Leaves, at least the lower ones, opposite. 



Corolla rotate, 4-iobed. Stamens 4. Anthers equally 2-celled, 



sagittate 21. Scoparia. 



Corolla rotate or with a distinct tube/4-lobe"d. " Stamens 2, ex- 



sorted ;^ anthers with confluent cells, not mucronate ... 22. Veronica. 

 Corolla with a distinct tube or broadly campanulate, lobes 5, 

 nearly equal. Stamens 4, 



Calyx deeply 5-lobed. Anthers with confluent cells, not mu- 

 cronate 23. OiRisiA. 



Calyx 5-toothed or shortly 5-lobed. Anthers with one large 



scarcely mucronate cell and one stipitate empty cell . . 24. SofUBIA. 

 Calyx herbaceous, split on one side. Anther-cells unequal, ^^^^. 



mucronate or awned 25. CentraJ^^^^"^' 



Corolla with a distinct tube, often long, the limb 2'lipped. 

 Lorolla-tube slender. Stamens 4. Anthers with 1 vertical 

 nsually linear obtuse cell. 



Corolla-tube straight. Capsule obtuse 26. BucHNEBA. 



Corol a-tube bent above the middle. Capsule obtuse - . 27- Striga. 



l.oro a-tube elongated. Capsule acuminate, the beak often ^^ . „yA. 



oblique ^ ' . . 28. Rhamfhicak*^* 



Corolla-tube slender. Stamens 2. ' Anthers' wi'th one large ' ^ ^^^^^, 

 mucronate or aristate cell . . . . . 29. HfiMiAKBHi.^ 



Corolla-tube not very slender.' Stamens 4. * Anther-cells" 

 equal, both mucronate . . 30, EvpHKASIa- 



I 



