no 
HKLTOrSIS— HESPERTS. 
an" nuns, (common snn-fiower, y. and w. 
Ju. 2^.) leaves all cordate, 3 nerved ; ped- 
uncles thickening upward; flowers nod- 
ding. 6 10 f. Naturalized. 
pubes"cens, (y. Au. li) hoary-pubescent; 
stem villose ; leaves sessile, heart-ovate, 
clasping, 3-nerved, crenulate, very soft; 
scales of the involucre lanceolate, villose. 
2-3 f. S. 
longifo'lius, (y. S. ll) very glabrous; 
stem panicled ; branches few-flowered at 
the summit ; leaves sub ses.sile, very long- 
lanceolate, 3-nerved, very entire ; lower 
ones seiTate ; scales of the involucre ovate, 
acute ; outer ones linear, divaricate. 4-7 f. 
S. 
tomevf.(/sns, (y. S. 2/.) stem rough ; leaves 
Innce-ovate, tapering to the summit, acute, 
serrulate, scabrous above, tomentose be- 
neath, generally alternate ; scales of the 
involucre leafy, squarrose-lanceolate; chaff 
3 cleft. 4-6 I S. 
HELIOF'SIS. 17—2. {Corymhiferm.) [From 
elios, the sun, opsis, appearing like.] 
Ice'vis, (ox-eye, Ju. 11.) stem glabrous; 
leaves opposite, ovate, serrate, 3-nerved, 
smooth. 3-5 f. 
sca'hra, (W.) leaves shortly petioled, 
ovate, 3-nerved, deeply serrate, apex very 
entire, both sides scabrous ; involucre pu- 
bescent. 
HELIOTRO'PIUM. 5—1. CBoragina.) [From 
elios, the sun, irojoe, turning ; a name given 
by Dioscorides, because, as he says, the 
flower turns with the sun.] 
in"dicHvi, (turnsole, b. Ju. ^.) leaves 
heart-ovate, acute, roughi.sh ; spikes soli- 
tary ; fruit bifid. 8-12 i. 8. 
curassavi'cnm, (y. w. J. leaves lance- 
naiTOw-lanceolate, succulent, glabrous, 
without veins ; spikes conjugate. 6-12 i. S. 
mrope'nm, (w. %.) leaves ovate, veiy 
entire, tomentose, rugose spikes conjugate. 
Inodorous. S. 
HELLEBO'RUS. 12—12. (Ranunculacea:.) 
[From ellein, destructive of life, bora, food, 
from its poisonous qualities.] 
fos'tidus, (hellebore,) stem many-flowered, 
ieafy ; leaves pedate, remotely serrate, co- 
riaceous ; corolla somewhat converging, 
HELO'NIAS. 6—3. {Juvci.) 
angiistifo'lia, [Z . 2^.) scape leafy; leaves 
linear, subulate ; raceme simple, terminal ; 
capsules oblong, covering at the summit ; 
seeds linear. 2 f 
latifo'lia.{'p h. M. 11.) scales leafless; spike 
ovate, crowded ; bracts linear lanceolate ; 
leaves lanceolate, mucronate, nerved. 
dice da, scape leafy; leaves lanceolate, 
broader near the root; racemes dioecious, 
spiked ; pedicels very short, without bracts ; 
segments of the periantli linear; .stamens 
ex.serted ; flowers white, in a terminal, 
spiked raceme. Unicorn plant. Blazing 
star. 2 f. 
du'bia, leaves very long and nan*ow, 
grasslike; scape naked; spike slender; 
flowers small, sessile. 2-3 f. S. 
HEV1EROCaL"LIS. 6—1. (AsphodeH.) [From 
eniKi-a, day, and hallos, beauty, beauty of the 
day.] 
I jla'va, (yellow day-lHy. y. .Tu. 2_(.) kuvea 
i broad-linear, keeled; petals flat, acute; 
nerves of the petals undivided. Ex. 
ftd"va, leaves very long, linear, carinate ; 
three inner petals obtuse, undulate ; nerves 
of the outer petals branching ; flowers large, 
fulvous ; scape 3-4 f. Introduced. Tawny 
day-lily. 
japon"ica, (w. Au.) leaves cordate, acu- 
minate ; corol funnel-shaped. Japan. 
HEMIAN"THUS. 2—1. (Scrophularia.) 
micran"lha, (w. Au. %.) leaves oppo- 
site, crowded, sessile, obscurely 3-nerved, 
glabrous ; succulent stem creeping, dichoto- 
mous ; flowers axiflary, solitary, minute. 
Banks of rivers. 
HEPAT"ICi. .2—12. (Ramtnculacea.) [From 
epar, the livtr ; probably from the belief that 
it was of use in complaints of this organ.] 
acntiV'oha, or tnJoba, (heart liverleaf, w. 
and p. Ap. If.) leaves cordate, 3-5 lobed ; 
lobes entire, acute ; leaves of the calyx 
acute. - Grows in woods, prefen-ing the 
north .side of hills and mountains. 5 i. 
america'na. (kidney liverleaf, w. and p. 
Ap. IX-) leaves heart-renilorm, 3-lobed ; 
lobes entire, round obtuse ; leaves of the 
calyx obtuse. Grows chiefly in woods, 
prefei-ring the south side of hills and moun- 
tains. 5 i. 
HERAC'LEUM. 5—2. (Vmbellifera.) [Named 
either from Hercules, or the city of Heraclea, 
near which it grew.] 
lana'tum, (cow-parsnip, w. Ju. 2X-) leaves 
temate. petioled, tomentose beneath ; leafetg 
round-cordate, lobed ; partial involucres 5-6 
leaved; fruit orbicul ar. One of our largest 
umbelliferous plants, with a white, woolly 
aspect. Flowers white, in very large, ter- 
minal umbels. Poisonous. 
! spondyii'um, leaves pinnate ; leafets 5, 
oblong S. 
HERPl!;S"TlS. 13—2. (Scrophulai-iee.) [From 
erpo, creeping.] 
airwifo'lia, (b. Au. li) very smooth; 
leaves opposite, ouneate-obovate ; pedun- 
cles as long as the leaves ; corolla 5-cleft ; 
stem creeping. 
rotund I Jo lia, (b. Au.) finely pubescent; 
leaves oval, roundish, many-nerved ; ped- 
uncles opposite, as long as the leaves ; co- 
rolla 4 -cleft. S. 
amphxican'lis, (Au.) stem woolly; leaves 
cordate, clasping, entire, obtuse ; peduncles 
shorter than the leaves ; corolla 4 clell. S. 
HES"PERIS. 14—2. (Cruciferce.,) [From 
esperos, evening.] 
pinyiatiji'da, (p. J. $ .) lower leaves ly- 
rate, pinnatifid ; upper ones lanceolate, un- 
e(iually serrate ; borders of the petals obo- 
vate, entire ; pedicel becomes longer than 
the calyx ; stem smooth. 1 f. 
matrona'lis, (dame's violet, sweet rocket, 
p-w.) pedicels of the length of the calyx ; 
petals obovate ; leaves ovate lanceolate, 
toothed. Ex. 
pygmcs'a, (p. %.) leaves lance-lineai-, at- 
tenuate at the base, entire, or dentate ; pu- 
bescence 2-parted, appressed ; siliques nu- 
merous, erect, compressed, pubescent ; stem 
I ei'ect, simple. 
