270 COMPOSITZ. 
A. Female florets tubular, filiform, in from 2 to many series, always outmumn- 
bering the hermaphrodite ones. 
Herbs. Heads corymbose or clustered, rarely solitary. 
Pappus-hairs capillary, not barbellate BS .. 9. GNAPHALIUM. 
B. Female florets tubular, filiform, in 1 or 2 series, sometimes altogether 
wanting, fewer in number than the hermaphrodite ones (sometimes outnum- 
bering the hermaphrodite ones in Raoulia). 
Herbs, usually alpine. Stems creeping or czspitose, often 
compacted into hard rounded masses. Heads solitary, 
small, sessile. Involucral bracts often white and radiating 10. Raou.ta. 
Herbs or small shrubs. Heads solitary or corymbose. 
Pappus-hairs various, often barbellate. Receptacle 
naked a6 11. HELICHRYSUM. 
Shrubs with narrow ‘leaves. Heads corymbose. Recep- 
tacle narrow; florets few, usually subtended by chaffy 
scales Se oe = + a .. 12, Cassrnia. 
Herbs. Flower-heads numerous, aggregated into a globose 
compound head surrounded by scarious bracts. Female 
florets wanting. Receptacle with scales between the 
florets a: at oe Set so .. 13. CRASPEDIA. 
Trine 4. HELIANTHOIDE., 
Heads heterogamous, usually radiate, rarely discoid, or with the ray deficient 
and then homogamous. Receptacle with scales among the florets. Anther-cells 
not tailed. Style-branches truncate or furnished with an appendix. Pappus of 
stiff awns or short scales, never of capillary bristles. 
Involucral bracts in two series: outer narrow, glandular, 
spreading ; inner broader, erect, and enclosing the ray- 
florets. Pappus wanting .. se .. 14. SIEGESBECKIA. 
Involucral bracts in two series, about equal. Pappus of 
2-4 stiff awns 31 ie : Be .. 15. BIDENS. 
Tripe 5. ANTHEMIDEA. 
Heads heterogamous, radiate or discoid ; or with the ray deficient and then 
hhomogamous. Involucral bracts dry or scarious at the tips. Receptacle naked 
or paleaceous. Anther-cells without tails. Style-branches truncate. Pappus 
wanting, or a crown of short scales. 
Herbs, usually flaccid or succulent. Heads discoid, pe- 
dunculate; female corolla short and broad. Achenes 
flattened, often winged . 16. Coruna. 
Diffuse or prostrate herb. Heads discoid, sessile, axillary. 
Achenes hardly flattened, 3—4-ribbed or -angled .. 17. CENTIPEDA. 
Minute alpine herbs. Leaves entire, fleshy. Heads dis- 
coid. Female corolla tubular. ‘Achene flattened or 
4-angled .. Ai +¢ ss sy! .. 18. ABROTANELLA. 
TrIBE 6. SENECIONIDE AS. 
Heads heterogamous, radiate or discoid; or with the ray deficient and then 
homogamous. Involucral bracts usually in a single row, with a few small ones 
at the base. Receptacle usually naked. Anther-cells somotimes sagittate at 
the base, but with no true tails. Style-branches truncate or appendiculate. 
Pappus of capillary bristles. 
Herbs. Heads discoid. Female florets very slender, fili- 
form, in 2-3 series .. te +a A .. 19. ERECHTHITEs. 
