102 
HELENUM— HELONIAS. 
nate, ovate, obtuse, scabrous above, villose, and very soft oeneath; panicle 
terminal, very long, naked; joints of the lowest triangular. 3 f. 
rotundifo'lium, (p, Au. %.) stem prostrate, hairy ; leaves ternate ; joints of 
the loment sub-rhomboidal. 2-4 f. 
acuminatum, (p. Ju. '2|..) erect, simple, pubescent ; leaves ternate, ovate, con- 
spicuously acuminate, a little hairy; panicle terminal, on a very long, 
naked peduncle; joints of the loment roundish. 1-2 f 
canaden"se, (bush trefoil, r. Ju. %.) erect, smoothish ; leaves ternate, lance- 
oblong; stipules filiform; flowers racemed; bracts lance-ovate, acuminate, 
ciliate ; joints of the loment obtusely triangled, hispid. 3 f. 
horea'le, leaves pinnate, leafets oblong-ovate, hairy; stipules sheathing, subu- 
late ; racemes on long peduncles ; loraents with smooth, roundish joints, 
(p. Ju. Tj-.) Mountains. 
HELENUM. 17—2. {Corymbifercn.) [From Helena, wife of Menelaus, king of Sparta.] 
auiumna'le^ (false sun-flower, y. Aa. %.) leaves lanceolate, serrate, sub-de- 
carrent ; stem corymbed above ; disk florets 5-cleft ; rays flat, reflexed. 
Var, pubescens, leaves pubescent. 3-5 f. 
HELIANTHUS. 17 — 3. {Corymbifercb.) [From elios, the sun, anthos, flower, on account of 
its broad, yellow disk, and rays ; and not, as is often supposed, from its turning with the sun, 
which is not the fact with respect to this flower.] 
trachelifo'lius, (y. Au. %.) leaves ovate-lanceolate, opposite acuminate, ser- 
rate, triply-nerved, very scabrous on both sides ; scales of the calyx lance- 
linear, ciliate ; outer ones longest. 3-4 f. 
decape'talous, (y. Sept. %..') leaves ovate, acuminate, remotely serrate, 3-nerv- 
ed, scabrous ; scales of the calyx lanceolate, sub-equal, sub-ciliate ; rays 
10 or 12. Flowers in large terminal panicles. 
gigan"teus, (y. Sept. %.) leaves alternate, lanceolate, serrate, scabrous, paler 
beneath, nearly sessile, ciliate at the base ; scales of the calyx lanceolate, 
ciliate ; flowers in a loose, terminal panicle ; rays 12-14, not large. 5-6 f. 
atroru'bens, hispid, stem naked towards the summit, loosely paniculate; 
leaves opposite, spatulate, oblong-ovate, crenate, 3-nerved, scabrous on the 
upper side ; scales of the calyx ovate-lanceolate, as long as the disk ; rays 
yellow ; disk dark purple. 
corona'rium, French honeysuckle, a native of Italy. 4f Flowers scarlet. Ex. 
tvhero'sus, (Jerusalem artichoke, y. S. %..) leaves'^ 3-nerved, scabrous; lower 
ones heart-ovate, upper ones ovate, acuminate; petioles ciliate ; root tuber- 
ous. Naturalized. 4-8 i. 
an"nuus, (common sun-flower, y. and w. Ju. '2]-.) leaves all cordate, 3-nerved; 
peduncles thickening upwards ; flowers nodding. 6-10 f. Naturalized. 
irELIOPSIS. 17—2. {Corymbifercb.) [From eKos, the sun, opsts, appearing like.] 
Im'vis, (ox-eye, Ju. %.) stem glabrous ; leaves opposite, ovale, serrate, 3-nerv- 
ed, smooth. 3-5 f. 
HELIOTROPIUM. 5—1. (BoragincB.) [From eKos, the sun, frope, turning ; a name given by 
Dioscorides, because, as he says, the flower turns with the sun.] 
in"dicum, (turnsole, b. Ju. <v).) leaves heart-ovate, acute, roughish; spikes 
solitary ; fruit bifid. 8-12 i. 5^. 
HELLEBORUS. 12—13. (Ranunculacece.) [From ellein, destructive of life, bora, food ; from 
its poisonous qualities.] 
fa'tidus, (hellebore,) stem many-flowered, leafy ; leaves pedate, remotely ser- 
rate, coriaceous ; corolla somewhat converging. 
HELONIAS. 6—3. (Junci.) 
latifo'lia, (p-b. M. %..) scales leafless ; spike ovate, crowded ; brafcts linear- 
lanceolate ; leaves lanceolate, mucronate, nerved. 
dia'cia, scape leafy ; leaves lanceolate, broader near the root; racemes dioB- 
cious, spiked; pedicels very short, without bracts; segments of the peri- 
anth linear ; stamens exserted ; flowers white, in a terminal, spiked raceme. 
Unicorn plant. Blazing star. 2f. 
du'bia, leaves very long and narrow, grass-like; scape naked; spike slender} 
flowers small, sessile. 2-3 f. 
