to the Genera.] XIX,—SYNGENESIA. 125 
+Ray-florets slender, tubular or with very short 
ligules, yellow like those of disk:—[p, 124 
eit 2 OUOPIGUB Eater incvesses 9. Conyza 
Pappus short, scanty 450 i 
}t+Anthers ct at the me or rarely (Laggera) with 
bases suben and, if so, with the cashed arms of the 
hermaphrodite ret aliform; piyiemems fi liform, linear 
or obtuse or t ided {p. 124) 
*Female florets, if present, filiform :— 
Style-arms of hermaphrodite florets filiform ; flower- 
heads androgyn 
Receptacle HO  baaeie of the involucre linear, 
herbaceous or scarious :— 
Flower-heads medium, separate, solitary, in 
corymbs or panicles, not in globose clusters ; 
or, if clustered (some oe ‘then the achenes 
with a copious soft pappu 
Pappus copious, of ae or bristly hair 
He ht epee 3 involucre narrow ; doa 
not corymbos 
peeiecy oa tailed at the ee the tails of 
adjacent anthers confluent 45 et 
Anther-c subentire at be or, if 
tailed, the tails short and not 
452 
ho 
fe Ci 
pees 
Shrubs; bracts of the Seculuert broad ; 
flowers corymbose.........-+.++ 453. Pluchea,. 
Pappus absent or represented = omg 1-2 rigid 
4. Epaltes. 
ales or bristle 
Flower-heads pee in dense Tee or ovoid 
masses ; herbs with winged stems; pappus absent 
455. Spheranthus. 
Receptacle with paleaceous scales; female florets 
ee in the long outer scales of the receptacle 
in the inner bracts of the involucre; flower- 
side aggregated in dense terminal clusters or 
short spikes 456. Athroisma. 
Style-arms of hermaphrodite florets truncate ; bracts 
of the involucre hyaline :— 
ttFlower-heads many-fiowered; heads hetero- 
gamous disciform ; Say age naked; hoary or 
woolly herbs [p. 1 457, Gnaphalium 
