m leaves differing in shape from the besal leaves » markedly eh a 
L Ca leaves ovate to lanceolate, cordate or narrowed a 
bas 
wo 
ow 
ar 
ra) 
. a oa 
4 Basal leaves rounded and usually subcordate | 
8 at the basex 
6 Stem leaves pinnatifid &: Se pseudaureus 
6 Stem leaves toothed or subentire 4%, S. integerrims 
4 Basal leaves attenuate at the base (B00-thind-cnvecom}> 
6 Basal leaves glabrate or loosely woolly, their 
/O dDlades 4-15 em, long 
Gg Cauline leaves Slabrous-iargined : 
/ heeds in elongate corymbs, the 
fo lovermost branches of which are 
\ 10-20 cm. long Se 
/o Leaves sharply denticulate 4° Se, exaliatus 
— 
/O Leaves prevailingly entire 6 Se pacificus ; 
§ Cauline leaves woolly-margined; heads 1 
in compact subumbellate corymbs the 
la branches of which are rarely more than : 
fa 
o Cme long. vA Se Columbianus 
= Basal leaves covered at least below ith a fine close 
/Ofelt, 1.5-3 om, long, on slender petioles usually longer 
g S ° Eowe 1 1 1 1 
2, Stem leaves similer so she lower leaves, gradually diminished 
4 
f a ie ye ak + L . : a : eo ey 
upward, all truneste or sagittste at the base gq S. triangularis 
; Pa a ee ee 
—_— 
