CARDUACEAE 
Heads less than 16 mm. broad. 
Ligules of the ray ene often fading pink or ee 
Cauline leaves with oval or elliptic blades 
Cauline leaves with narrow blades 
Heads abundant, closely panicled: 
Heads remotely panicled or sparse. 
Ligules of this ray lavender or violet. 
XIII. RAMOSISSIMI 
Ligules of uu ray pur sometimes becoming purplish. 
Heads numero 8-15 mm. broa 
Upper cauline leaves with linear-subulate blades: 
r us 
S wi ear to BOY ellip- 
more or Is s ae 
m div aricate, rigid, D OOREEN: rameals sub- 
Branches often upturned or subcorymbose: rameals 
flat, linear. 
Ligules of the ray violet, purple or reddish (rarely white). 
XIV. Dv 
up deos leaves merely firm: most peduncles oec over 3 em. 
Hed leaves rigid, very conspicuous but minute: pe- 
duncles often 10 cm. or more long. 
Mir im leaves spreading or somewhat recurved: blades 
obtuse. 
ee leaves erect and usually appressed; blades 
acute. 
MULTIFLORI 
XV. 
A much branched low-growing plant, with very numerous. 
white-liguled heads of flowers. 
XVI. Dir 
Cauline leaves with linear to linear-laneeolate, pM min- 
utely hack-toothed blades 
Tuvolucral bracts very Short not exceeding the achenes. 
Involucral En exceeding the achenes 
Plant sparsely branched, and with Te ew heads. 
Plant profusely branched : heads very numerous. 
Cauline leaves with elliptic E lanceolate, more or 
entate or serrulate bl 
Stem and branches sparingly pubescent or glabrate. 
Stem and branches villous, as also the midrib of the 
leaf-blades beneath. 
Jess 
XVII. PTARMICOIDE 
Plant with narrow, ae leaf-blades and a ie -topped 
; corymbose inflorescenc 
V ACUMIN 
Gregarious plant with thin, deeply toothed UAM ap- 
pearing as if whorled, and a somewhat corymbose-pan- 
iculate inflorescence. 
XIX. PAL 
Involucral bracts long-ciliate and pubescent: 
branches densely pubescent. 
Involucral bracts glabrous, the margins merely scabrose- 
a a inflorescence- -branches sparingly pubescent if 
at a 
Outer involucral bracts linear to narrowly elliptic but 
TA acuminate: leaf-blades linear to narrowly el- 
Plant from a a woody, corm-like rootstock, not stolon- 
iferous 
Outer involucral bracts. usually longer n 
at least as long as the inner Braces pigagare 
linear- m ‘only, e innermost abruptly 
acute: bracts 
Outer involucr al. Da a shorter than 
the in n all bracts fev. the outermost ab- 
acts 
rupt 
Plant from a E COIQ nite sous S, r woody rootstock. 
Outer involucral bracts Hasronls linear-acuminate : 
leaf-Dlades nearly filiform from a triangular 
LUDOSI 
inflorescence- l 
80. 
81. 
94. A. 
euo 
psp m 
= 
. Az 
. A. 
1369. 
spatelliformis. 
descanti. 
agrostifolius. 
pinifolius. 
ramosissimus. 
pilosus. 
juniperinus. 
Fazoni. 
Priceae. 
dumosus. 
. coridifolius. 
. gracilipes. 
. ericoides. 
brachypholis. 
racemosus. 
vimineus. 
. lateriflorus. 
. hirsuticaulis. 
. ptarmicoides. 
acuminatus. 
paludosus. 
pedionomus. 
Cee 
misphericus. 
verutifolius. 
