Striga.| XCII, SCROPHULARIACE (HEMSLEY AND SKAN). 
Corolla-tube much inflated at the 
throat; calyx-teeth narrowly del- 
toid, about 1 lin. long. . 9. S. glandulifera. 
+t Corolla-tube curved at the middle. 
Corolla-limb 9-15 lin. in diam. . : . 12. 8. hermonthica, 
Corolla-limb 4—6 lin. in diam. E - . 13. S. senegalensis. 
ttt Corolla-tube almost straight : 5 : . 23. S. Warneckei. 
**® Calyx 10-17-ribbed. 
t+ Spikes usually loosely flowered, often long and 
slender, or the flowers in the axils of the upper 
leaves. 
t Calyx 10- (rarely 11-13) ribbed. 
Plant hairy, with distinct leaves usually 
6 lin. Jong or more, 
Leaves usually linear and about 6-12 lin. 
long; flowers numerous, in dense or 
loose spikes; corolla-tube 4-7 lin. 
long. 
Flowers mostly opposite in relatively 
stout often dense spikes; corolla~ 
limb 6-9 lin, in diam. : . 14. S. elegans. 
Flowers mostly alternate in very 
slender loose spikes ; corolla-limb 
about 3 lin. in diam. . : . 15. 8. lutea. 
Leaves usually lanceolate, 1-2} lin. long, 
more or less toothed; flowers rather 
few in the axils of the upper distant 
pairs of leaves ; corolla~tube 10~ 
1 lin. long . . 16. S. Forbesii. 
Plant glabrous, with scale: like “leaves 13~ 
24 lin, long : g : . . 24. §. Baumannit. 
tt Calyx 1S nabbed: 
Calyx rigid, very prominently and regularly 
ribbed ; corolla white. 
Corolla-tube 10 lin. long ; limb 8-15 lin. 
in diam. : . 19. S. pubiflora, 
Corolla-tube 6 lin. long; leaks 5-6 lin. in 
dian - ; : . 20. S. euphrasioides. 
Calyx scarcely rigid, leas prominently and 
regularly vibbed ; corolla orange or 
brick-red. 
Corolla-tube 10-15 lin. long ; limb 7- 
10 lin. in diam. . A . 17. 8. latericea. 
Corolla-tube 8~9 lin. long; Ae ie 
12 lin. in diam. . . 18. S. somaliensis. 
tt Spikes densely flowered (sometimes Saoucl flow una 
in §. elegans), rather short and thick. 
Spikes cylindric ; bracts lanceolate. 
Leaves about 1 lin. broad; corolla-limb 6~ 
9 lin. in diam. ° 5 : . 14, S. elegans, 
Leaves 2-3} lin. broad; corolla-limb ‘about 
3 lin, in diam. . 21. S. Klingit. 
Spikes quadrangular ; bracts broadly ovate to 
obovate . . : - : . 22. S. macrantha. 
VOL. IV.—SEC. 2 2D 
401 
