HYPTIS- rPOMEA. 
Jilif )'ha, ;Ap.) leaves filiform, somewhat 
angled, hairy scape generally 2-flowered. 
jur.ce'a, (J. 2^.) pilose; leaves filiform, 
channeled very entire; scapes 1-flowered. 
S. 
HYP"TIS. 13—1. (Labiata.) 
radia'ta, (w. Au. 2^.) heads of flowers 
opposite ; peduncles as long as the iuter- 
nodes ; bracts lanceolate ; leaves oblong, 
serrate. 
HYSSO'PUS. 13—1 {LahiatcB.) [A Hebrew 
name ] 
nepetoi'des, (giant hyssop, g-y. Ju. 
stem acutely 4-angled ; leaves opposite; 
calyx small ; bracts dilated. Woods. 3 6 f. 
officinalis, (garden hyssop,) flowers 
whorled ; leaves lance-linear. 
IBE'RIS. 14—1. (CrucifercE.) [From Iberia, 
the ancient name of Spain.] 
umbella'ta, (purple candy-tuft,) leaves 
lanceolate, acuminate ; lower ones serrate, 
upper ones entire. Ex. 
ama'ra, (white candy-tuft,) leaves irreg- 
ularly dentate, narrow towards the base, 
somewhat spatulate, fleshy. 1 f. Ex. 
ICTO'DES. 4—1. (AroidecB.) [From iAihs, a 
skunk.] 
f(E'tida, (skunk cabbage, fetid hellebore, 
p. Ap. 2^.) stemless; leaves radical, heart- 
ovate ; very large spadix supporting the 
flowers in a sub-globose head. Odor re- 
Bembles that of a skunk. 
I'LEX. 4—4. (Rhamni.) 
opa'ca, (evergreen holly, g-w. M. ^.) 
leaves evergreen, ovate, acute, spinose, 
glabrous, flat ; flowers scattered at the 
base of the shoots of the preceding year. 
A middle-sized tree. 
canadetb"sis, (mountain holly, g-y. M. ^ / 
leaves deciduous, ovate, glabrous 
vomito'ria, leaves oval-obtuse lOtuse at 
each end, glabrous; umbels lateral, sub- 
sessile. 6-15 f. S. 
laxijlo'va, (J. ^.) leaves ovate, sinuate- 
toothed, spinose, shining, flat; peduncles 
super-axillary, in the young branches ag- 
gregate, lax-ramose. S. 
cas"sen,a, (Mar. Ap. ^ .) leaves oval, obtuse 
at each end, crenately serrate. 6-15 f. S. 
laurifo'lia, (leaves large, elliptic, acutish, 
very entire, sempervirent ; pedicels elon- 
gated, sub-3-flowered. S. 
myrtifu'lia, (M. I7 .) leaves linear-lanceo- 
lete,mucronate, rigid, veiy glabrous ; fertile 
flowers solitary. 6-10 i. S. 
ligus"trina, (J. Tp .) leaves linear-lanceo- 
late, cuneate at the base, generally entire ; 
fertile flowers solitary. 6-10 f. 6. 
ILLI'CIUM. 12—12. (Lauri.) 
parvijlo'ra, (y. M. T7.) leaves alternate, 
lanceolate, entire, perennial ; petals and 
Bepals round, coj.cave. 6-10 f. (S. 
Jlorada'nnm, flowers purple ; leaves 
acuminate ; petals numerous, oblong, and 
linear. S. 
IMPA'TIENS.* 5—1. {Geranea.) 
* The capsules are remarkable for bursting 
open with an elastic spring, at the slightest 
touch, hence the generic name Irnpaliens 
paV'lida, (je■v^el-^^eed, toicli-me-not, 
Ju. 0.) peduncles solitary, 2-4-flowerec 
calcarate petals conic, dilated, shorter that 
the rest ; spur recurved, very short ; flowers 
sparingly punctate ; leaves rhomb-ovate, 
mucronate-toothed. 2-4 f. 
ful"va, /speckled jewel- weed, y-r.) ped- 
uncles solitary, 2-4-flowered ; leaves rhom- 
bic-ovate ; mucronate-dentate ; calcarate 
petal longer than the rest; flowers with 
crowded spots. 
halsami'na, (garden ladies' -slipper,) ped- 
uncles aggregate, 1-flowered ; leaves lan- 
ceolate, upper ones alternate ; calcarate 
petal (or nectary) shorter than the other 
petals. Of various colors. 1-3 f 
INDIGOFE'RA. 16—10. {Leguminoscc.) [From 
/e?-o, to bear, added to indigo.] 
tincto'ria, (indigo, T7.) leaves pinnate, 
oblong, glabrous, in 4 pairs ; racemes short 
er than the leaves ; legume terete, some- 
what arched. Ex. 
caroliiif'ia'na, (b. Au. Il-) leaves pinnate, 
leafets oval and obovate ; spikes longer 
than the leaves ; pods 2-.seeded, reticulate, 
veiny. 3-7 f. S. 
INU'LA. 17—2. (Corymbiferm.) [Fabled to 
have sprung from the tears of Helen.] 
hcle'nium, (elecampane, Au. ^.) leaves 
clasping, ovate, rugose, tomentose beneath ; 
scales of the calyx ovate. Naturalized. 
3-5 f. 
lONl'DIUM. 5—1. {Cisii.) [/on, violet, from 
the resemblance.] 
con"co'lor, (green violet, w-g. M. 2^.) 
straight, erect; leaves broad-lanceolate, .sub- 
'>'".i:re ; stipules subulate entire ; peduncles 
short ; petals connivant ; emarginate ; spur 
0. 20 i. 
IPO'MEA. 5—1. (Convolvuli.) [From two 
Greek words, signifying like a vine.] 
nil, (morning-glory, b. Ju. @.) hirsute ; 
leaves cordate, 3-lobed; peduncles short, 
1-3-flowered ; calyx very villose, long, acu- 
minate. 
hona'nox, (w. Ju. @.) very glabrous , 
leaves cordate, entire or angled ; peduncles 
1-3-flowered ; calyx awued ; corolla undi- 
vided, tube long. 
coccin"ea, (scarlet morning-glory, y-r. % 
pubescent ; leaves cordate, acuminate ; ped- 
uncles about 5-flowered; corolla tubular 
West Indies. 
quamf'oclit, (crimson cypress-vine, r-w.) 
leaves pinnatifid, linear ; flowers sub-soli 
tary, corolla tubular; dark red. East In 
dies. 
lacundsa, (starry ipomea, w-p.) glabrous; 
leaves cordate, acuminate ; peduncles short, 
about 1-flowered ; calyx hairy. 
dissec"ta, (Ju. 2^.) stem, petioles, and 
peduncles very pilose ; leaves glabrous, 7 
lobed ; divisions sinuate ; peduncles 1-flow- 
ered ; divisions of the calyx oval ; corol 
bell-form. S. 
trichoca'/'pa, (p. Ju. ©.) leaves entire, 
cordate, or 3-lobed, villose ; calyx ciliate , 
capsules hirsute ; peduncles about 2-floNirer- 
ed. S. 
Caroli na, (b.) leaves digitate ; leafets pe 
tioled • peduncles 1-flowered. <S. 
