CARDUACEAE 1467 
ew sometimes narrowly so, id obtuse, ciliate at the apex: ligules pend mm. 
vide: disk-corollas about 2 mm. long: achene ellipsoid, less than 2 m 
(X a CE fields, iud DE various provinces N of Coastal Plain, 
N. o S. Dak. and N. S. Nat. | 
3 priua L. Stem 2-7 dm. 2 sparingly era Fannie mes 
branched above: leaves sparingly villou achis winged; ultim segments 
ovate or o lanceolate: d ed A be involucre ovate to Eee ES obtuse, 
ciliate at t x: ligule vide: disk- EA fully 2 mm. long: 
achene e Or slightly non DN. fully 2 . long.—Dry hillsides, 
woods, pastures, m pou various provinces, Fla. E^ Miss., Ill, Yukon, 
nd N S.—(W. I., W.)—Often a weed. 
105. ORMENIS Cass. Annual, diffusely branched herbs. Leaves al- 
 ternate: blades pinnatifid, the segments rather broad. Heads solitary at the 
nds of the prangnes, Involucre saucer- 
shaped: bracts in 2 or 3 series, rather broad. 
Receptacle a chaffy, the chaff cartilagi- 
nous, boat-shaped, surrounding the achenes. 
Ray-flowers Dean t, fruit-producing; corol- 
las s yellow ligules, or white and yellow 
at the base. Disk-flowers numerous, perfeet, 
fruit-producing, the tube produced into an 
appendage at the base. Achene ellipsoid or 
obovoid, prominently 3-ribbed on the inner 
side. Pappus wanting.—One species. 
l1. O. (L.) Stem 1-4 dm | 
tall, isually eer, a fh base, the branches Ni: villous: leaf-blades 
cuneate spatulate to linear in outline, 1-3 e ong, the rachis broad, the 
cones: Aas ie to i se on Hs lower n of the blade, often broad- 
ened upward toward the P peduncles slightly thickened under the head: 
bracts of the involucre ovate to elliptic and linear, 3-4 mm. long, villous: lig- 
ules cuneate, 5-8 mm. long, SH at the base: achene obovoid, pd 1 mm. 
long.—Waste-places and eult. E various provinces, Fla. to B. C. and 
N. J. Nat. of Medit. Reg.—Spr.-fal 
106. ANTHEMIS L. Annual or perennial, branched, nd herbs. 
Leaves alternate: blades pinnatifid or bipinnatifid, the segments rather nar- 
row. eads solitary at the ends of the branches. Involucre saucer-shaped: 
bracts in about 3 series, usually thin. Tecan conic to hemispheric, chaffy, 
the chaff membranous, with a midrib. Ray-flowers pistillate, fruit-producing: 
corollas with white ligules.  Disk-flowers numerous, perfect, fruit-producing: 
rolla yellow, the tube equalling or longer than the throat, the lobes ovate. 
Achene subeylindrie or somewhat obovoid, with filiform ribs. Pappus wanting 
or a minute crown.—About 80 species, Eurasian and African 
Receptacle with cuspidate-acuminate chaff : achene equally "i nerved. 1. A. arvensis. 
Receptacle with obtuse chaff: achene 3-nerved on the inner side. . A. nobilis. 
. : or soiuetimes biennial, not strong- sented: stem 
1-5 dm. tall, pies p leaf-blades 2-5 cm. long, pinnatifid or bipin- 
