Compositae. 949 
IV. Style-branches of the perfect flowers 
neither truneate nor tipped with any 
appendage; anthers with tails; heads 
heterogamous; receptacle not long bristly; 
corollas not deeply cleft. . .... .. 4. Inuloideae. 
V. Style-branches of perfect flowers ieeneate 
capitate tipped with an appendage; anthers 
without tails; leaves or some of them 
often opposite. 
a) Receptacle chaffy, at least next margin; 
involucre not scarious; pappus not yt: 
NEVA Soe . 5. Helianthoideae. 
b) Receptacle not caiiattoan or divest sO; 
involucre not of imbricated scarious 
scales; pappus not capillary. . .. . 6. Helenioideae. 
c) Receptacle not chaffy or rarely so; 
involucre of imbricated partly scarious 
scales; pappus a short crown or none 7. Anthemideae. 
d) Receptacle not chaffy. 
1. Pappus capillary and SSniee . . 8. Senecioneae. 
2. Pappus none. . . . 9. Calenduleae. 
VI. Style-branches without ts or sper iy 
more or less concreted to or near the 
apex; corollas all tubular and very deeply 
(sometimes irregularly) 5-cleft into long 
linear lobes; receptacle densely bristly; 
anthers sagittate or with tails . .... 10. Cynareae. 
B_ Liguliflorae. — The corollas all ligulate (and 
5-toothed at the apex), and the flowers perfect. 
JULGeRMILUCY 5) owe atin suche dick “heleueelai ble Cicbericae, 
I. Vernonieae. 
Heads homogamous and the flowers all perfect, with 
tubular corolla, never yellow. Anthers sagittate 
at the base. Branches of the styles slender- 
subulate, minutely hispid. . ........ 1. Hthulia. 
IL. Eupatorieae. 
a) Pappus of 2 to 12 stout bristles or awns, 
alternating with as many scales ..... 2. Ageratum. 
b) Pappus of numerous capillary bristles . . 38. Eupatorium. 
III. Asteroideae. 
Heads either heterogamous or homogamous, the 
disk-flowers with regular tubular corolla, the 
