CARDUACEAE 1463 
lanceolate: achene narrowly obpyramidal, 4-5 mm. long.—Dry oiea 
Coastal Plain, Fla. and Ga.—Sum.-fall or all year S. 
99. PALAFOXIA Lag. Annual or perennial, sometimes partly woody 
lants. Leaves alternate or Sow blades narrow, entire. Heads corymbose. 
Involuere eampanulate to ellipsoid: braets 
herbaceous.  Disk-eorollas with a 
[ds throat much longer than the tube. 
Achene 4-angled, slenderly ae upward, 
pubescent. Pappus of 4-8 broad 
scales—About 6 species, North d 
. P. Feayi A. Gray. Slender shrubby 
plant 6-35 dm. tall minutely pubescent: 
leaves i dA blades cee to ded 
lanceolate, 2-7 em. long: involuere 7-8 m 
ee bracts obtuse: corollas white, 7-8 mm. 
achene clavate, 5-6 mm. long .— Pine- 
tans a scrub, a Fla.—All year S. 
100. FLAVERIA Juss. Annual, glabrous or pubescent, erect but ofte 
bushy-branched, somewhat succulent herbs. Leaves opposite: blades entire 
or toothed, sessile, sometimes connate. Heads individually inconspicuous. 
Involuere narrow, prismatic: bracts few, 1-8, mostly nearly equal. Ray- 
flowers mostly solitary and ligule te or wan pos Disk-flowers 1-15. 
Achene narrow, 8-10-ribbed. Pappus wanting, or rarely of 2-4 scales.— 
About 10 species, all except 1 Ameriean.—Spr.-fall or all year S. 
Receptacle naked: involucre of more than 2 bracts: heads 2-20-flowered: disk- 
orollas with a funnelform throat. 
Involucre of 3 bracts or rarely of 4. 1. F. bidentis. 
Involucre of 5-7 bracts. 
Heads 2-8-flowered. 
BE UE long internodes below and usually simple at 
: leaves herbaceous: plant annual. 2 
Stem. with ‘short internodes below and usualy branched 
at the bàse: Bw fleshy : plant perennial (?). 3. F.linearis. 
Heads 10-15-flowered. 4. F. floridana. 
RD setose: E of 1, 2, or 3 Vosa head usually 1- 
: disk-corollas with a ca ampanulate throat. b 
. F. latifolia. 
. F. trinervia. 
F. bidentis (L.) Kuntze. Stem 10 dm. tall or less, angled, glabrous or 
ce a on the angles and the em leaf-blades lanceolate- -elliptie, 
linear-lanceolate, or linear-elliptie, 3— 
long, serrate, 3-ribbed, gla abrous, “slightly 
connate: inflorescence wit corpioid 
branches: heads 2-9-flowered: brac i of the 
involucre 3, with 1 or 2 additional scale- 
li nes 
-4 mm. long, abo mm. 
long, narrow p ppm rs 1-8, pud rs 
2-3 um. long: achene 15 mm. [F. 
ems Gmel.]—Waste-places d  road- 
sides, Coastal Plain, Fla. to Ala. and Ga.— 
(Mex A.) 
2. F. latifolia (J. R. Johnston) Rydb. 
Stem 10 dm. tall or less, striate, glabrate: 
jeaf-blades linear-lanceolate to linear, 2.5—10 
