1484 CARDUACEAE 
nearly so.  Anthers e at the bas 
with subulate appendages.  Achene xs 
ward. panne of eapil- 
lary-attenuate scabrous or barbellate bristles 
which are united at the base and deciduous 
al together.—About 12 species, natives of 
the Old World. 
i = ap pe L. Stem 2 m. tall or less, 
vings spiny margined: leaf- 
Due PE elliptic, lanceolate, or 
e mostly 1-3 dm. long, oe copiously 
spine-armed: involucre 3—4 em. in diam 
bra ce numerous, linear- a. firm, E 
inner m. long, the outer pote and re ei: corollas d Or purplish: 
eens narrowly obovoid, 4—5 mm. long, transversely wrinkled and ribbed.— 
(COTTON-THISTLE. Scorer ard que waste- dd and fields, vari- 
N 
ous provinces, Ala. to Ont. and N. Sum 
at. of Eurasia. 
126. MARIANA [Vail.] Hil. Annual or biennial, tall, thistle-like 
herbs, the stem not winged. Leaves alterna lades sinuate-lobed i 
natifid, prickle-armed, not decurrent. S ieee: many-flowered, not radiate. 
Involucre ipe ais ed-globose: braets conspieuous, spiny-ciliate, with broad bases 
spreading or reflexed spine-armed tips. Receptacle flattish, dens wed 
sar ee all alike, perfect, tubular. Corollas elongate, with a very 
slender tube and a short campanulate throat: lobes linear. Anthers d: 
sagittate at the base, with lanceolate a J 
api 
which are united at the base and deciduous 
all together from the ring-like top of the 
achene.—One spec 
Mariana (L.) Hil. Stem 1.5 m. tall 
t 
ns, those of the basal leaves with stout 
petiole-like bases, those of the cauline auricu- 
C 
A) 
A 
ARD 
g 
o Sa. 
S re DANS " 
7 "e 
+ 
i 
Hf; 
t 
^p 
i A 
x i 
IN f ; 
AN j D 
RH 
^u H 
s ind Es ipi e ostly dm. long: involuere 
stly 4—6 em. in diameter; bracts with sub- 
orbicular, men or elliptie bodies id T as long or de tips: corolla 
purple or pu rplish, mostly 5-3 ong: achene mo oblique, 
d, 
S 
ellipsoid- -obovoid, 5.5-6.5 mm. long, Eds TP blunt Dio ubernce within 
the ring-like top.—(MILK- pude ial —Roadsides and waste-places, Dine in 
various provinces, “Ala. to Ont.; ; also on Pacific Coast. Nat. of Eu.—Spr.- 
127. CENTAUREA L. Annual (ours), or perennial herbs. 
alternate: blades entire, toothed, or pinnatifid. Heads relatively smal 
luere with irregularly to 
Leaves 
l. Inyo- 
othed or fimbrillate outer bracts, tae intermediate ones, 
at least, often armed with spines. Anthers sagittate he base, with appen- 
dages at least % as long as the sacs. Achenes n, or 4-angled. Pappus 
