295 
SCROPHULARIACE.E. (FIGWORT FAMILY.) 
Anther-bearing stamens only 2. 
10. Gratiola. Calyx 5-parted. Stamens all included; the sterile 
pair present or wanting. 
11. Ilysanthes. Calyx 5-parted. Anther-bearing stamens includ¬ 
ed; the sterile pair of glandular filaments inserted in the 
throat, and protruded. 
12. Hemianthus. Calyx 4-toothed. Sterile filaments none. Co¬ 
rolla irregular. 
Suborder II. RHINANTHIDEiE. Yellow-rattle Fam. 
Lateral lobes of the corolla or one of them (never the upper lip) 
outermost in the bud. Pod commonly loculicidal. 
* Lobes of the corolla flat and open. 
13. Limosella. Calyx 5-toothed. Corolla open bell-shaped, 5- 
cleft. Stamens 4. Flowers single. Small and creeping 
fleshy annuals. 
14. Synthyris. Calyx 4-parted. Corolla somewhat bell-shaped, va¬ 
riously 2-4-lobed, irregular. Stamens 2, rarely 4. Flow¬ 
ers spiked. 
15. Veronica. Calyx 4-parted. Corolla wheel-shaped or sometimes 
tubular. Stamens 2. 
16. Buchnera. Calyx 5-toothed. Corolla salver-form. Stamens 
4 : anthers truly 1-celled. 
17. Seymeria. Calyx deeply 5-cleft. Tube of the corolla broad, not 
longer than the spreading lobes. Stamens 4, nearly equal : 
anthers 2-celled. 
18. Gerardia. Calyx 5-toothed or 5-cleft. Corolla enlarged above. 
Stamens 4, strongly didynamous : anthers 2-celled. 
* * Upper lip of the tubular corolla erect, arched (galeate), including 
the 4 didynamous stamens. 
Anther-cells unequal and separated. Pod many-seeded. 
19. Castilleja. Calyx cleft down the lower, and often also on the 
upper, side. Lower lip of the corolla very small. 
Anther-cells equal. Pod many - several-seeded. 
20. Schwalbea. Calyx 5-toothed, very oblique, the upper tooth 
smallest. 
21. Euphrasia. Calyx 4-cleft. Pod oblong : seeds grooved. 
22. Rhinanthcs. Calyx inflated, ovate. Pod orbicular: seeds 
winged. 
23. Pedicularis. Calyx not inflated. Pod ovate or sword-shaped: 
seeds wingless. 
h- — — Anther-cells equal. Pod 1 - 4-seeded. 
24. Melampyrum. Calyx 4-cleft. Ovary 2-celled, 4-ovuled. 
