GENERA AND SPECIES. 
Plant woolly ; leaves long, sessile, scab- 
rous above, cottony-white below 
Plant woolly ; leaves narrow-linear, revo- 
lute ; pappus-bristles somewhat plumose 
at the end ; inner phyllaries ciliate 
11. Inner phyllaries without ray-like tips. 
Herbs. 
phyllaries in few rows (also 
a. Phyllaries yellow. 
Heads singly terminal; 
HT, rutidolepis). 
Stems or branches leafy, beset with glandular or 
cottony hairs; phyllaries shining, ciliate, acute; 
achenes scabrous 4 
Leaves radical; leafy eats Bee AR! heii eee 
membranous; achenes Sadist Minute annual, 
stems filiform A 4 
Heads corymbose; phyllaries in hevvedialyé rows, vioatiabes 
achenes glabrous; pappus-bristles plumose at the 
end. 
Leaves flat, cottony; heads loosely corymbose 
Leaves linear, sticky ; heads densely corymbose ... 
b. Phyllaries white or pale-yellowish. Shrubs. 
Heads rather large, solitary; branches spinescent, 
cottony ... 
Heads small in panicles; dave ineeblate, hie 
Heads small in terminal corymbs. 
Leaves small, linear, more or 
achenes rough. 
Leaves strongly decurrent, truncate; phyllaries 
appressed é 
Leaves faintly qoaleratits Ketaines ahs linetes 
rather loose as 
Leaves not decurrent on the ee 
Leaves flat, elongate, brownish below; phylla- 
less decurrent; 
ries spreading, fsck yellowish; achenes 
minutely hairy .. 
Leaves linear, margins rovelaae: Rig llanine 
pale-yellow, ¢ appressed. 
Achenes papillary- 
rough. 
Coast shrub, somewhat sticky 
Achenes silky-hairy, surrounded at the 
base by a callous ring 
Polyealymma. 
Stout branchless herb, cottony or glandular-hairy. 
Head solitary, very large; partial heads 5- to 8- 
flowered, forming large corymbose- like unies 
leucopsidium 
Baxteri 
ambiguum 
Tepperi 
apiculatum 
semipapposum 
Dockerii 
Thomsoni 
decurrens 
retusum 
ferrugineum 
cinereum 
Kempei 
