NAIDUS— NICOTIANA. 
131 
flowered ; nectary bell-form, short ; leaves 
subulate, Ex. 
poef'icus, (poet's narcissus, 11.) spatha 1- 
flowered ; nectary wheel-form, very short, 
Bcarious, crenulate ; leaves inflexed at the 
margin. Ex. 
NAR"DUS. 3—1. {CyperoidetB.) [From nardos, 
spikenard, a term applied to aromatic 
grasses.] i 
stric"ta, (mat grass, 2LC.) spike setaceous, 
straight; flowers 1 -sided. 
NARTHE'CIUM 6--1. {Junca.) [From 
narthex, fennel.] 
america'num, (y. Ju. 2-C-) racemes lax, 
sometimes interruptedly spiked ; pedicels 
with a setaceous bract below the flower, 
and another embracing the base ; filaments 
with very short hair ; leaves narrow-ensi- 
form;flowers in a terminal spike or raceme ; 
scape 1 f. Sandy swamps. 
NASTUR"T1UM. 14—2. {CrucifercB.\ 
officina'le, (w. Ju. IX-) leaves pinnate; 
leafets ovate, sub-cordate repand ; stem 
decumbent; petals longer than the calyx. 
palus"tre, (J. Au. 24-) leaves lyrate-pin- 
natifid ; lobes confluent, unequally dentate, 
smooth ; petals as long as the calyx ; siliques 
short, turgidjroot ensiform. 1-2 f. 
amphWium, (y. Ju. 2-([.) leaves oblong- 
lanceolate, pinnatifid or serrate ; root fibrous; 
petals longer than the calyx ; siliques ellip- 
tical. 1-2 f. 
Ms"pidum, stem tomentose-villose ; leaves 
somewhat villose, runcinate-pinnatifid ; 
lobes rather obtusely-toothed; siliques ovate, 
tumid ; petals not quite as long as the ca- 
lyx. 
sylves"tre, (y.) leaves pinnately divided ; 
segments lanceolate, serrate, or incised ; 
t)etals longer than the calyx ; siliques ob- 
ong, somewhat torulose ; style very short. 
Introduced. 
tanacetifc/lium, (M. $ . y.) leaves pinnate- 
ly divided ; segments sinuate-pinnatifid or 
toothed ; siliques oblong-linear, nearly erect, 
acute ; style short. S. 
seasilijlo'rnm. (y.) leaves cuneate-obovate, 
obtuse, repand-toothed or nearly entire ; 
siliques sub-sessile, linear-oblong, obtuse, 
tipped with the nearly sessile stigma. S. 
NEC'TRIS. 6—2. (Ranunculacecc.) [From 
Gr. nekton, swimming or floating.] 
aquaf'ica, (g-w. M. 2^.) submersed 
leaves oppo.site, many-parted, capillary; 
floating ones alternate, elliptic, peltate ; 
flowers in lacemes. 8. 
NEGUN"DO. 20-5. (Acerinem.) 
calif or" nicit,m, young leaves villose, 3- 
foliate; leafets 3-lobed ; lobes incised or 
toothed. California. S. 
NELUM"BIUM. 12—12. {Ranunculacea.) 
lute'um, (water chinquepin, sacred bean, 
Indian lotu.s, w. y. Ju. 2lf.) corolla many- 
petalled ; anthers produced in a linear ap- 
pendage of the extremity ; leaves peltate- 
orbicular, very entire. Lakes. Flowers 
larger than those of any other plant in 
North America, except one species of mag- 
nolia. 
penta' pelf' alum, (w. Ju, Z^.) leaves pel- 
32* 
tate, orbicular, entire; calyx 5-sepalled- 
petals 5, S. 
NEMOPAN"THES. 4—4. (Rhamni.) [From 
nemos, grove, and pantos (from pan), all, com- 
mon in all groves.] 
canadeu"si.'i, (wild holly, Canadian holly, 
g-y. M. Ip.) leaves deciduous, ovate-oblong, 
very entire, smooth, mucronate ; peduncles 
sub-solitary, very loug, 1 flowered ; fruit 
obtu.sely quadrangular. Berries deep red. 
3 6 f. 
NEMOPHl'LA. 5—1. (BorasinetB.) [From 
nemos, a grove, and phileo, to love ; so called 
from its habit.] 
panicula' ta, (b. M. $ .) very hairy ; radi- 
cal leaves sub-piLynatilid ; cauline ones an- 
gularly lobed ; divisions of the calyx with 
minute, oval appendages ; flowers on short 
peduncles, somewhat paniculate. Moist 
woods. 
phaceloi'des, (b. M. $ ,) succulent ; stem 
3-.sided ; leaves alternate, pinnatifid ; ped- 
uncles very long, 1-flowered, opposite the 
leaves, and terminal, 
NEOT"TIA, 18—1. (Orchidea.) [The name 
is from the Greek, and signifies bird's nest.] 
torfi'lia, (summer ladie.s' tresses, w. Ju. 
21.) radical leaves linear; scape sheathed; 
flowers spirally .secund; lip somewhat 3- 
lobed ; middle lobe larger, crenulate. 12 i, 
gra'cilis, Qadies'-tresses, w. Ju,) radical 
leaves ovate ; scape sheathing ; flowers in 
a spiral row ; lip obovate. curled ; scape 
8-12 inches, with a few sheathing leafets or 
scales ; leaves on short petioles, sometimes 
falling off^ before the plant blossoms ; flow- 
ers in a twisted spike. Var. secnn"da,sTp\\Le 
scarcely twisted, flowers more slender. 
Dry woods. 
cer"nua, (nodding ladies'-tresses, w. An. 
2^,) leaves lanceolate, nerved; flowers in 
a dense spike, nodding ; lip oblong, entire, 
acute, 
odora'ta, (w.) stem leafy, glabrous ; leaves 
lanceolate, acuminate ; radical ones very 
long : spike somewhat loose ; flowers re- 
curved ; lip ovate, entire ; margin undu- 
late, sulj-fimbriate. 
NEPE'TA. 13—1. (Labiates.) [Name is said 
to have been derived from Nepet, a town in 
Tuscany.] 
cata'ria, (catmint, catnep, b-w. 2^.) hoary- 
pubescent ; flowers in whorled spikes ; 
leaves petioled, cordate, tooth serrate. 
NICOTIA'NA. 5—1, (Solanea^.) [From Ni- 
cot, who first introduced it into Europe,] 
taba'cum., (Virginian tobacco, w-r. Ju. 
^.) leaves lance-ovate, sessile, decurrent; 
flowers acute. Naturalized at the north, 
rus"tica, (common tobacco, g-y. Au. ^.) 
viscid-pubescent ; stem terete ; leaves pe- 
tioled, ovate, very entire ; tube of the corol- 
la cylindrical, longer than the calyx; seg- 
ments round, 12-18 i. Plowers in a termi- 
nal panicle or raceme. Introduced. 
panicula' ia, (small-flowered tobacco, w-r. 
Ju, leaves petioled, cordate, entire; 
flowers on pedicels, obtuse, clavate. Ex. 
quadrival"vis, (b-w. Ju. 0.) leaves ob- 
long-ovate, petioled ; flowers scattered, sol- 
itary, near the summit of the branches ; co- 
