582 BENGAL PLANTS. 
§Pappus of slender hairs ; receptacle always es: :—[p. 581] 
Bracts of the involucre several-seriate, numero 
ose 
Bracts of the involucre 4, with sometimes a small outer 
Mikania. 
Flowers, if similar (homogamous) and tubular, yellow; if dissimilar 
(heterogamous), at least those of the disk yellow; or, if none of the 
flowers yellow (Lagascea, Emilia), then with the i acts of the 
involucre only 1-seriate, rarely (some InuLorpEm) flowers purple 
with bracts many-seriate, but it so, with the heads at ‘Teast hetero- 
gamous: 
—Ip. 
Anthers appendaged at the apex :—[p. 586] 
**Receptacle naked, smooth or foveolate; sometimes when 
foveolate the edge of the pit fimbriate but not beset with proper 
palee ; if oe Sage or ————S vs (Cui 
then with the anther-bases produced into tails : 4 
©Bracts ° the involucre many-seriate ; jesvval alternate: as 
[p. 584] 
thers subentire at the base ; style-arms flattened or plano- 
convex, all, or at least those of the disk-florets, tipped by ® 
cone (AsTEROIDE#) ; all the flower-heads heterogamous :— 
Flower-heads without a proper ray ; pappus hardly any 
or altogether absent :— 
Achenes minute, oblong, smooth; pappus absent : 
Achenes flattened or subterete, with a terminal toothed 
or bristly pappus-ri .Grangea- 
Flower-heads with atid ray-floret 
Ray-florets mera never yellow, rigs 2-3- — , 
pappus long, co 
Ray-florets ane wl, or with very hort ligules, 
yellow like those of the dis 
Pappus lon MY, COPIOUS... sco casecsancdestncvieserses Cony24- 
Pappus short, scan  goveuceprrerret eter Th 
Anthers cleft at the base or rarely (Laggera) with bases 
subentire, and if so, with the style-arms of the hermaphro- 
+Female florets, if present, filiform :— [p- 
x Style-arms of hermaphrodite florets ents ; foe 
heads meat :—[p. 583 
+Receptacle naked; bracts of the involucre linear, 
erento or scarious : 583] 
