102 
HBfLENUM—HELONIAS. 
nate, ovate, obtuse, scabrous above, villose, and very soft beneath; panicle 
terminal, very long, naked; joints of the lowest triangular. 3 f. 
rotundijo'lium , (p. Au. Tj..) stem prostrate, hairy; leaves ternate ; joints of 
the loment sub-rhomboidal. 2-4 f. 
acuminatum , (p. Ju. Qj..) 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. 
canade?i"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. 
borea'le , leaves pinnate, leafets oblong-ovate, hairy; stipules sheathing, subu¬ 
late ; racemes on long peduncles ; loments with smooth, roundish joints, 
(p. Ju. 94-0 Mountains. 
HELENUM. 17—2. ( Corymbiferot .) [From Helena, wife of Menelaus, king of Sparta.] 
autumna'le , (false sun-flower, y. Au. 9J-.) leaves lanceolate, serrate, sub-de¬ 
current; stem corymbed above; disk florets 5-cleft; rays flat, reflexed. 
Var .pubescens, leaves pubescent. 3-5 f. 
* 
HELIANTHUS. 17—3. ( Corymbifercn .) [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 hot the fact with respect to this flower.] 
trachelifo'lius , (y. Au. r 2]_.) 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. 9j..) 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'Hum , French honeysuckle, a native of Italy. 4f. Flowers scarlet. Ex. 
tubero'sus , (Jerusalem artichoke, y. S. Of.) 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. Tf.)leaves all cordate, 3-nerved; 
peduncles thickening upwards ; flowers nodding. 6-10 f. Naturalized. 
% J 
HELIOPSIS. 17—2. ( Corymbiferce .) [From elios, the sun, opsis, appearing like.] 
la'vis, (ox-eye, Ju. ?]-.) stem glabrous; leaves opposite, ovate, serrate, 3-nerv¬ 
ed, smooth. 3-5 f. 
HELIOTROPTUM. 5—1. ( Boragince .) [From elios, the sun, trope, turning; a name given by 
Dioscorides, because, as he says, the flower turns with the sun.] 
in"dicum , (turnsole, b. Ju. ®.) leaves heart-ovate, acute, roughish; spikes 
solitary; fruit bifid. 8-12 i. & 
HELLEBORUS. 12—13. ( Ranunculaceoe .) [From ellein, destructive of life, bora , food; from 
its poisonous qualities.] 
fce'tidus , (hellebore,) stem many-flowered, leafy; leaves pedate, remotely ser¬ 
rate, coriaceous ; corolla somewhat converging. 
HELONIAS. 6—3. ( Junci .) 
latifo'lia , (p-b. M. 9}..) scales leafless; spike ovate, crowded; bracts linear- 
lanceolate; leaves lanceolate, mucronate, nerved. 
dice'cia, scape leafy ; leaves lanceolate, broader near the root; racemes dioe¬ 
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. &. 
