CARDUACEAE 1435 
5. H. annuus L. nual, similar to the DERE but taller, more branched, 
ae less ee "disk -corollas shorter than in the preceding, and the lobes 
brow -red rather than mage bis or in eultivated forms the e of 
the Eom is frequently yellow y plains, various provinces, Tex. to Sask. 
and Minn.; also cult. grounds, a Ss and fields throughout. the E T. S. 
6. H. pe | Nutt. Annual: stem simple or, in vigorous plants, much 
anched, rough: leaves suena bod Tanceolate to ovate, mostly entire, 
distinetly cro very variable m. long, in n normal plants about 
7 em. long, densely appress ics scabrous on Lun iden blue-green: inflorescence 
terminal and axillary, profuse, Ms a very showy: bracts of the inv olde 
broadly seg about a s lon id e disk, e ' densely hispidulous, du 
without cilia y-flowers with ar S abou . long: disk 1-2.5 e 
wide: lobes f disk eorollas red-purple .— Plains, hills, “river-bottoms, and r Aes 
banks, MAR provinces, Tex. to Ariz., Ore., Sask., and Minn.; also waste- PR 
and cult. grounds in the 
7 ne om estis Pollard. Annual m. high, light-green, glabrous, 
sulea vigorous plants much me vs E es alternate; blades broadly 
elliptic. ecce very light-green, hispid on both sides, the midrib beneath and 
the margin towar rd are base with long, rather remote bristly cilia: heads few 
but very showy: bracts of the involucre pee em glabrous, erect: ray-flowers 
with en yellow T disk-eorollas deep-violet. [H. Curtissu Fernald.]— 
Pinelands, serub, and prairies, often along ditches, pen. Fla. 
8. H. floridanus Gra pia es stem 1-2 high, uu Ye leaves 
alternate toward the of the m (opposite in small individuals); blades 
lanceolate, sessile or aie le, yer above, mos uy fine- “tomentose d 
revolute, often ien A SO and apparently undulate, ostly 6-8 cm. long: 
florescence one to four or five hea a loose pan wm of ‘the Hi gus 
about as m as the di "e disk- rollas eee "ud ped brown lobes, rarely yel- 
l undulatus Chapm.|—Woods, thickets, and edges of fields, Coastal 
Plain, Fla. p La. 
9. H. vestitus E. E. Watson. Annual: stem 6-7.0 dm. high, lax, densely 
white- mir cd profusely branched leaves alternate, crowded; blades deltoid- 
lanceolate, mostly abou em. long, de eeply irregu ularly serrate, or lobed, 
hispid hirsute. beneath, peur. ially on the veins y as hispid 'above, dis- 
tinctly Poo e petio — long, slender, very ute: heads terminal on 
the stem and branches: bracts of the invo wees linear- pd attenuate, longer 
than the disk, deni En very loo ray-flowers with oval ligules 1.5 
em. long; disk 1 em. wide; lobes of the disk. aioe purple: iei villous.— 
Sandy places, Hog Island, Fla. 
ae H. cucumerifolius T. & G. Annual: stem erect, 1-2 m. tall somewhat 
ough above, with ascending e mostly above the middle: leaves alter- 
avis blades de itoid. -ovate, 5-8 em. long, acute, irregularly serrate, strumose- 
setose SIBOve, seabrous- n cae cordate; petioles about as long as the 
blades: heads 1-3 terminating the stem and the branches: bracts of the in- 
ne Euh ie] lanceolate, longer than the«disk, scabrous, scarcely ciliate: disk 
rollas with red-purple lobes —s: andy places near the 
and Tex: ; uc Red in Fla. through cult —Sum.-fall.—Cult. form 
ve low disks. 
H. debilis Nutt. Annual: stem more or less branched at the base, the 
pun decumbent or horizontal, up to 1 m. long, subglabrous to hispid: leaves 
alternate; blades deltoid-ovate, acute, 5-8 em. long, irregularly serrate, scabrous 
setose and deep-green on both sides, broadly cuneate to cordate; petioles sca- 
