1460 CARDUACEAE 
7-12 mm. long: pappus -scales prolonged 
into ae awns.—(YELLOW-Dick. BITTER- 
ED. SPAN sadi) elds, roadsides, 
j a. 
o. and S Va. Me ive NE t 
mud Mass —Sum fall. 
uadridentatum Labill, Ei 3—10 
coming 4-6 mm. long: ligules 3-5 mm. long: 
pappus-seales orbieular-oval.—Low grounds, 
Coastal Plain, Fla. to Tex. and S. C.—Spr.- 
fall. 
3. H. derer Ups Plant 2-9 dm. tall: leaf- od sare or ace 
broadest above middle or below it, 3-12 em. long, er prom d 
toothed: Suc bracts linear-lane eolate or narrow er, zT. mm. lon ligul es 
10-20 mm. long: dis eae Cor He about mm. long. P autumnale 
L. in i E aay and lo v grounds, various provinces, Fla. to Tex., Min 
Que., and Conn.—Sum 
utt. Plant 2-8 dm. tall, much branched: leaf-blades 
elliptie to DA dass. 3—12 em. long, shallowly Vende A E braets 
lin 
ear-subulate , 6-9 mm. long: ligules 6-10 mm. long: disk yellow; 
corolla about 2.5 o mm. eoe ow r grounds, C rone Plain and adj. zh inces, 
Fla. to Tex., Ark., Tenn., and Ga.—Sun 
5. H. nudiflorum Nutt. Plant 2-10 dm. tall, corymbosely branched above: 
Tu blades oblanceolate to elliptic or linear -12 em. long, those of the 
low cud = ae toothed: involucral br acts narrowly linear to linear-subu- 
ic "5 7m ong: ligules 10-15 mm. long.—Low grounds, prairies, and flat- 
woods, various Edel Fla. to Tex., Mo., and Md.; adv. NE to Conn — Spr. —fall. 
6. H. Ru eun Small. Plant 3-8 dm. tall: M blades elliptie to aa 
E 2—10 cm. long, undulate or remotely to toothed: involuer a K acts 
owly linear to lue subulate, 5-8 mm. long: ligules 6-12 m ong: dis E 
Du rplish : corel 2 mm. lon ng. —Fi pom ‘meadows, and thickets, niue 
provinees, Ga. and Tenn.—Sum.-fal 
7. H. fimbriatum (Michx.) A. c Plant 4-8 dm. tall: leaf- oe o 
spatulate to cn i a near, 4—12 c dus one ped m al bra 
subulate, 7-10 m g, reflexed : ligul ong: disk corollas E mm. 
—Sum.— 
long: achene 1 mm. ‘to d —Low Dus pom Pla. Fla. to Tex 
fall. 
8. H. ii A. Gray. Plant 5-9 dm. tall: leaf-blades oblanceolate to 
linear, Hes m. long, undulate: involueral bracts lanceolate to lance-subulate, 
5-8 mm. long; ligules 1.5-2 cm. long: disk corollas 4.5-5 mm. long: achene 
1.5 mm. long.—Low nci and marshes, Coastal Plain, N. C.—Spr.—sum. 
H. dics be Smal. Plant 3-7 dm. tall: leaf-blades linear or 
-1 
nearly s . long, undulate or acid few- pup involueral braets 
ra ear or “linear ial 5-9 mm. long: ligul phar ch . long: di ES icd 
ong: achene 1-1.5 mm. long. EH. m (T. & G.) Wood]— 
ug low pinelands, and about ponds, Coastal Plain, Fla. to La. a '$. C. 
— fall. 
10. H. vernale cur Plant 3-7 dm. tall: leaf-blades spatulate to linear, 
6-15 em. long, toothed or mo -pinnatifid: involueral bracts lance- subulate, 
5-6 mm. long, ee ligules 1 cm. long: disk corollas 4-4.5 mm. long: 
