Buchnera.] Xci1. SCROPHULARIACEX (HEMSLEY AND SKAN). 
Spikes without long white silky 
hairs, usually hispidly hairy. 
Spikes up to 7 lin. broad; bracts 
12-3 lin. long; corolla-tube 
14-34 lin. long. 
Calyx 5-toothed; corolla-tube 
14-24 lin. long, more or 
less pilose. 
Leaves entire or rarely 
toothed ; spikes short, 
rarely up to 14 in. long 
Leaves often distinctly 
toothed; spikes up to 
2} in. long. : 
Calyx 4-toothed ; conan 
about 34 lin. long, glabrous 12. 
Spikes 7 lin. broad; bracts 3- 
5 lin. long ; corolla- tube 44- 
5 lin. long . 
Spikes 9 lin. broad or more ; a 
33-44 lin, long. 
Calyx 24 lin. long; teeth 
scarcely more than 3 lin. 
long 5 
Calyx 32-47? lin. long ; teeth 
1-2 lin. long . . 
§§ Spikes rather long and slender, usually 
much longer than broad. 
Stem leaves 2—74 lin. long. 
Stem leaves very few (only 1-3 pairs 
and in B. attenuata 2 or 3 odd 
ones); calyx 24-3 lin, long. 
Bracts ovate, 1} lin. long; corolla- 
tube 3 lin. long . 1G: 
Bracts lanceolate, 5 lin. long; 
tube 5-6 lin. long 
Stem leaves in several pairs; calyx 
only 1-1} lin. long. . 
Stem leaves usually J in. long or more, 
Bracts 1-24 lin. long, as broad or 
nearly as broad : as long. 
Spikes almost glabrous: bracts 
2-24 lin. long . c 
Spikes rather densely hairy ; 
bracts about 1 lin. long 
Bracts usually more than 24 lin. 
long, much longer than 
broad. 
Calyx-teeth 4 . 5 ° - 21. 
Calyx-teeth 5. 
Plant nearly glabrous . 22 
Plant distinctly hairy. 
Stemsleafy . . 23 
Stems very sparingly leafy. 
10. 
Sek. 
colo: 
S14. 
= lb. 
5 alee 
- 18. 
= 19. 
20s 
B. capitata. 
B. paucidentata. 
B. affinis. 
B. quangensis. 
B. subcapitata. 
B. pulchra. 
B, attenuata, 
B. rungwensis. 
B. strictissima. 
B. ensifolia. 
B. latibracteata. 
B., crassifolia, 
. B. namuliensis. 
. B. Welwitschii-. 
