136 



SCR OPHULAEIA CEM. 



Corolla elongate, tube cylindric with a 

 more or less expanded throat, limb 

 with sub-equal lobes or 2-lipped, 

 stamen 4 or 2 : 



Stamens 4, inserted within the corolla- 

 tube : 



Corolla not distinctly 2-lipped; lobes 

 rounded, sub-equal : 



Anther-cells confluent towards 

 the apex, divaricate down- 

 wards, capsule septicidal . . 5. SUTERA. 



Anther-cells parallel, contiguous 

 but distinct, capsule septici- 

 dal and loculicidal . . .6. MONIERA* 



Corolla distinctly 2-lipped : 

 Corolla with a 2-gibbous throat : 



Calyx 5-angled and 5-toothed ; 

 anther-cells confluent, often 

 1-celled . . . . .7. MIMULUS, 



Calyx widely campanulate, 5- 

 lobed, anther-cells conti- 

 guous but distinct . . .8. MAZTTS. 



Corolla-throat not gibbous, anther- 

 cells distinct : 



Placentas either separating in 

 fruit or, if conjoined in a 

 column, the column not wing- 

 ed, seeds terete . , .9. STEMODIA. 



Placentas always united in a 

 column which is winged 'by 

 the remains of the septa, seeds 



angular 



. 10. LIMNOPHILA. 



Stamens 2, perfect, the lower pair 

 reduced to staminodes, all inserted 

 within corolla-tube, capsule locu- 



licidal 



11. DOPATBIUM, 



Stamens if 4 the lower pair , if 2 the 

 staminodes inserted in corolla- 

 throat, the upper or only perfect 

 pair inserted in the corolla-tube, 

 capsule septicidal : 



