379 
ahaa bracts = mar ; oe 
Cor 
ewe numerous, ies more hen 2 em. 
wide. Involucral bracts few (about 50) 
and glabrous; Trop. and South Africa 
Heads globose; leaves and flowers soon 
falling; peduncles persistent, giving a 
spiny ee to the — ; —— 
land 
Leaves ovate, apiatenulats or suborbicular : 
Outer involucral bracts recurved an 
yielding; leaves ovate or suborbi- 
ar’: 
Leaves sessile, ovate, woolly-lanate 
below, at length almost glabrous 
above ; heads sessile in leaf axils and 
longer than broad; South Africa - 
Leaves shortly petiolate, suborbi- 
cular, woolly-lanate on both sur- 
not longer a broad ; — and 
South Afric 
Leaves menses chivahe: link on 
lower surface, glandular-punctate 
above ; heads Sgunitwies South 
Africa - 
Outer invotneeal ‘ibaa ssa veuIWoee: 
and resistant; leaves small and 
e: 
Involucral bracts glabrous; leaves 
glandular above; South Africa - 
Involucral bracts woolly; leaves 
tomentose on both surfaces ; Angola 
Involucral bracts broadly ovate at the base ; 
margins of the upper ee oat forming 
short, stiff, spreading spin 
Leaves ovate to eS shortly 
petiolate, ages! l-nerved, tomen- 
tose below, at length almost glabrous on. 
upper surface; South Africa - . 
* Leaves ovate, apolees rather ficehy ond 
- 1 
veinless ; South Afric 
ae lahooolate, Sitad- based. sacle. 
mentose on upper surface, glehioe us 
ee South Africa =_- 
Lekives linear, narrower at iw canous 
below; S.W. Africa 
Leaves oe, woolly-lanate sessile oe 
2 
Socotra - “¢ 
bo 
co) 
=) 
10. 
~ 
— 
12. 
ow 
. Ringoeti. 
Gerrardi. 
. somalensis. 
macrocephala. 
- 13. Schinzit. 
— 
Po 
16. 
om | 
CO 
. Galpinir. 
. picta, 
Nachtigalii. 
. spinosa. 
. ramosissima. 
- 19. relhanioides. 
. Dinteri. 
cand. 
