1454 CARDUACEAE 
segments lanceolate, acuminate, serrate m linear and almost or quite 
entire, and achenes awnless, in . mitis leptophylla), the lateral much sm aller: 
head 5 em. : xt j i E 
5-lobed: stamens exserted: spares very small, 2 m. long, glabro 
very short, tooth-like. [B. coronata (L.) Britton. Le E SEU in redis 
ish marshes, Coastal Plain, Fla. to Miss. and Va.—Sum.-fal 
. COSMOS Cav. Annual or perennial, usually tall, widely branched 
herbs. Leaves opposite: ii entire, lobed, or 2-3-pinnately di ssected. 
Heads peduneled, showy. Involuere nearly hemispheric: bracts unequal, the 
outer sometimes smaller than the inner. Ray-flowers few: corollas with pink, 
purple, yellow, or n ligules. Disk-corollas yellow in our species, 
with a funnelform throat and a shorter tube. Filaments as long as the an- 
thers or nearly so, dá pubescent. Achene beaked. Pappus of 2-4 
barbed awns, or a crown.—About 20 species, tropical Ameriean.—Spr. —fall or 
all year 8. 
Leaf- oe broad, elliptic, lanceolate, or linear. 
Li s pink or rose, mostly less than 2 cm. long. 1. C. caudatus. 
Ligu i orange- yellow, mostly over 2 em. long. 2. C. sulphureus. 
Leaf-segments filiform or linear-filiform 3. C. bipinnatus. 
1. C. caudatus H. B. K. Stem 7-14 dm. tall: leaf-blades 2 a panne ddr 
the BL. ewes or linear: involucral bracts linear or nearly so: ray 
flow 7-12; ligules pink or rose-colored, 
West, Fla. Nat. of trop. Am. and cult 
C. sulphureus Cav. Stem 2-21 im 
ia pubescent, much-branched: e 
2-pinnately parted, the segments elliptic or 
lanceolate: volucres braets linear: ray- 
OW 
1 
places, pen. Fla. Nat. of trop. Am. 
ult. 
3. C. bipinnatus Cav. Stem 3-30 dm. tall, usually glabrous or nearly s 
leaf-blades 2-pinnately divided, c segments Temote and filiform or linear-fili- 
cts of two ki t r 
ory oluc 
elliptic: ray-flowers 8-10; ligules pin nk crimson or white, 2-4 c ong: achene 
fusiform, 1-1.5 em. long, the beak uid than the eri — Pinelands, waste- 
places, and cult. grounds, Fla. Nat. of trop. Am. and c 
ENDORIMA Raf. Perennial or biennial, usually simple- -stemmed 
herbs. dieses alternate, pom blades narrow, entire. Involuere thick: bracts 
herbaceous, the outer ones broad, the inner ones longer and narrower. Ray- 
flowers numerous: corollas with narrow yellow or purple ligules. Disk-corollas 
1 Revised by Edward Johnston Alexander. 
