1444 CARDUACEAE 
Leaf-blades hispidulous beneath, somewhat blunt: stem spar- 
ingly scaly above the middle. 2. P. heterophyllum. 
II. NUDICAULI 
dios scabrous: leaf-blades hie or meen slightly 
ove the middle: heads rayles 3. P. paucifiorum. 
Foliage hirsute or hispid : leat blades broadest at or below 
the middle: heads with r 4. P.aristatum. 
l; P: en (Michx.) Alexander. Stem 5-11 dm. tall finely pu- 
bescen uci mostly alternate; blades ee to elliptic, 4-19 em. long: 
0 linear: Er 
bens cn A slender pappus-bristles, usually 
arrowly winged, 5 mm. long. [Verbesina 
helian tho ides Michx.]- Open ird and 
thiekets, various provinces, Ga. "MC 
and Ohio 
Zi Ps odis am (Chapm.) Alexander. 
Stem dm. tall, seabro-hispidulous: 
leaves RE opposite blades elliptie, or 
elliptic- P cm. long, serrate- 
dentate: larger ae of the involucre 
about 7 mm. long, elliptic- oo. ligules 
15-20 mm. long: pou 1 ~ eed 
br Eden E adly v 
[Verbesina heterophylla p ms A. m ]—Dry susie Fla. 
3. P. pauciflorum (Nutt.) Alexander. Stem 3-7 dm. tall, scabrous: leaves 
P blades elliptic or slightly Aak above the middle e, 3-9 cm. long, 
lucid: involuere about 1 em. high: ray-flowers wanting: achene with no pappus, 
narrowly winged, 5-6 mm. long. LActinomeris paucifiora Nutt. Verbesina 
Warei A. Gray. ]—Low pinelands, W F 
4. P. aristatum (Ell) Alexander. Stem 5-12 dm. tall, hirsute to Pe 
leaves remote; blades Sp: to elliptic- he or ase lanceola te, 3-10 e 
high: -fl 
long, scabrous: involucre 5-6 mm. high: ray-flowers 7-12: a ne wit th vum 
pappus: a very broadly winged, 4-5 mm. n on [Verbesina nudicaulis 
. Gra V. aristata (Ell) Heller. ]—Pinelands, TAM Plain and 
adj. e Fla. to Ala., and Ga. 
84. RIDAN Adans. Perennial, rather coarse, tall herbs. Leaves alter- 
nate or opposite: blades usually toothed and decurrent. Heads several or 
numerous. Involucre narrow: bracts few, spreading or recurving, becoming 
lax. Ray-flowers few: ligules yellow or wanting. Disk-corollas many, 
a funnelform throat rather abruptly contracted into the shorter tube: lobes 
lanceolate. Filaments slightly shorter than the anthers. Pappus of 2 more or 
less spreading awns, accompanied by 2 or 3 smaller awns, or scales. [Actino- 
meris Nutt.]—Sum.-fall.—T'wo species, as follows: 
Ray-flowers 2—8 : disk-corollas yellow. 1. R. alternifolia. 
Ray-flowers wanting: disk-corollas white. 2. R. paniculata. 
1. R. alternifolia (L.) Britton. Plant 6-25 dm. tall: leaf-blades elliptic, 
9-30 cm. long: disk-corollas 5 mm. long: achene-body with ciliate wings. 
