/6 Leaves elliptical or oblanceolate 
/G@ Achenes densely nisrid 9.1. Gaillardia 
-_—— - 
» o Disc flovers turrles; pvaprus none 2b. sudbeckia 
29 Dise rlowers rere? w but with purple 
_,/ stamens; pappus or two sort 
<“‘T\ membranous awns ag. ilelianthelia 
—_—— 
fa 
12, 6p. isc flowers not subtended by bracts, the receptacle 
/G@ nence nai.ed 
/t# Involucral bracts densely overlarpin,, in several 
. eries, their tips recurving, all resinous and 
19 \sticky }). Grindelia 
/@ Achenes hispid; leaves entire or merely toothed, 
20 Glabrate cr rubescent 344. Heleniun 
= ___ 
/, Acnenes ¢labrous re tr es iy cibbed; leaves 
2ovinnatifiad, wnite-woolly 34° arioghyllun 
Shrappus consistin or sort hairlixe bristles 
12, sten-leaves onrosite YY Arnica 
/q@ sappus in two series, the outer much shorter than 
es the inner; leaves o-6 ma. broad 9, Garysopsis 
lenves 1-5 cm. broad, or, 
S 
1p it less gine heads sol 
ana small, arranged in panicles, 
{th cral pradts “3-5 mie long, rarely 
a0* more /Y. Solidago 
ji, Heads solitary ov few arranged in flat-toyped 
oe clusters, their involuci oi bracts 5-10 mm. 
ea \ ied 7 ; ; rat, 3, 
\ S nO.. ( 2 fe Ce 
, - : im UA oat ae. an. , - onal r 
/f bracts in 6-4 series; a DULaA-COLOrs; neadus Paes \ 
ey ae ee ee ae a es ii i Seats a 
A9SO0OL1Itary Or :eW in racemes !2eQ, =LLopappus 
er 4 
a bracts 1n lew Series; ra AS VNLte3 nead 
aay 4 4 a ad 
y several in subumbellate c®lat-—to 6a CLiUS vel 
%, ~ A 
OL ta#©r ne reCiTes 
Y 
a a OE a i a i Ai sett 
