328 COMPOSITE (Harv.) [ Othonna. 
rows; of the disc-fl. abortive, slender, glabrescent, with uniseriate 
pappus. DC. Prodr. 6, p. 473. 
Small shrubs or herbaceous plants, chiefly S. African, mostly glabrous, often - 
glaucous. Roots in the herbaceous species often tuberous. Leaves entire or variously 
cut, lobed or toothed; membranous, coriaceous, or fleshy. Heads either solitary or 
corymbose. Name used by Pliny for some similar plant. 
§ 1. Fruricosx. Rigid, ligneous or subligneous, branched and twiggy shrubs 
or suffrutices : fl. branches mostly terminal and one-headed ; heads rarely subco- 
rymbose. Rays yellow. (Sp. 1-11.) 
Leaves pinnate-lobed ; the lobes narrow linear-acute : 
Heads loosely corymbose, on long pedicels; iny.sc.5 (1) Pavonia. 
Heads on simple, long peduncles; inv. sc.8 ... ... (2) leptodactyla. 
Leaves lanceolate, or linear-oblong or linear, acute or obtuse, 
entire or irregularly toothed, sessile : 
Achenes of ray-fl. silky or pubescent: 
Leaves lanceolate, often toothed, tapering at base, 
thick, nearly nerveless ; inv. sc. 7-8 ... ,-. (3) coronopifolia. 
Lys. oblong or lance-oblong, rigid, one-nerved ; 
WB oes ied va sn oe ee ey ee 
Leaves linear, coriaceous, sub-obtuse, nerveless ; 
iny. sc, § : (9) pallens. 
Achenes of ray-fl. glabrous : 
Spiniferous; lvs. lmear, narrowed at base, nerve- 
less, plancods= 22 35 Sa a ee 
Unarmed ; lvs. lanceolate, 3-nerved, entire or ‘ 
unidentate: ee ee ee 10). Cera. 
Lvs. minutely petiolate, elliptic-oblong, obtuse ; twigs spiny (8) pteronioides. 
Lys. obovate, or obovate-oblong, sessile or subpetioled : 
Lys. obovate-oblong, cusp.-mucronate, 1-nerved, often 
tO0tHOG Be Dimes ae ee sae tee 
Lys. obovate, tapering into a petiole, glaucous, entire 
(7) spinescens. 
(5) mucronata, 
or 3-toothed fercve wve “sets. wy (TO) Osteospermoides. 
Lys. obovate, sessile, entire, 3-5-nerved, rigidly cori- 
aceous ee a ee eee aaa (11) coriifolia. 
§ 2. Surrruricos®. Trailing or decumbent or diffuse suffrutices, lignescent at 
base, the subsimple branches ascending, ending in long, one or few-headed pedun- 
cles, (Sp. 12-14.) 
Leaves obovate, bluntly pinnatifid or subentire, copiously 
re oie ile cng! vow cov cave , cee es (12) ciliata, 
Lys. obovate, quite entire, or sparsely ciliolate (13) frutescens. 
Lys. linear or lance-linear, thick, entire or toothed ... (14) multicaulis. 
§ 3. PantcunaTz. Erect suffrutices or herbs. Stems virgate, simple and leafy 
below, above more or less nude, ending in a panicled or much-branched, corymbose 
inflorescence. (Sp. 15-21.) 
Achenes of ray-fi. silky or villous : 
Lvs. coriaceous, thick, veinless, either cuneate-obovate, — 
lanceolate, linear-lanceolate, or linear-elongate, en- 
tire or sharply few-toothed ... ... 1... .. . (15) parviflora. 
Lys. obviously midribbed and penni-nerved, oblong or obovate, broad : 
Infi. loosely panicled or subumbellate ; bracts small and narrow: 
Leaves cuneate-oblong, half-clasping, obso- ee 
letely 5-toothed near the apex... ... (16) quinquedentata. 
Lys. oblongo-lanceolate, clasping, several- 
o* - oe. 
toothed beyond the middle... ...... (17) pluridentata. 
Lys. obovate, obtuse, sharply many-toothed, or 
subpetiolate ... ... ... 2. ss. ve (20) umbelliformis. 
