132 
NIGELLA— OENOTHERA 
rolla funnel-form ; dmsions oblon 
capsule sub-globose, 4-valved. 
g, acutish 
cn-pita'ta, (M. leaves on sboj-t pet- 
ioles, oblong-lanceolate and oval, nearly 
NIGEL"LA. 12-4. (.RanunculacccB.) [From entire, pubescent and somewhat hoary be- 
niger, black, on account of its black seed.] "~ ~' '"' ' 
damasce'ria, (fennel-llower, lady-in-the- 
green, b. M. @.) flowers surrounded with 
a leafy iuvolucrum, composed of linear 
bracts. 
sati'va, (nutmeg-flower,) pistils 5 ; cap- 
sules muricate ; roundish leaves sub-pilose, 
pinnatilid. 
NOLI'NA. 6—3. {Junci.) 
geoigia'iia, (W. M. 2X) leaves long-lin- 
ear, coriaceous, dry; scape with small sub- 
ulate scales near the base ; panicle race- 
mo.se, spreading. 2-3 f. 
NOS"TOC. 21—4. (Alga.) 
commu'ne, on the earth ; frond ventricose, 
gelatinous. On the earth after a storm ; an 
inch or two in extent ; olive green. 
NU'PHAR. 12—1. (Papaveracete.) [From the 
Greek, signifying water-lily.] 
ka Imif/ na, (water-lily, Kalm's water-lily, 
Ju. 24-.) leaves cordate, lobes near each 
other; calyx 5 leaved ; stigma ga.shed, with 
8-12 radiated lines ; leaves and flowers 
6m all. 
lute'n, (yellow water-lily, y. Ju. 2^.) ca- 
lyx with 5 obtuse sepals ; stigma entire, 
16-20 rayed ; leaves cordate-oval ; petals 
much smaller than the sepals, truncate. 
Water. 
adve'na, calyx with 6 sepals ; petals nu- 
merous, small; petioles semi-cylindrical. 
sagiltfBfo'lia, (y. Ju. 2/.) leaves long, cor- 
date sagittate, obtuse; calyx 6 .sepalled ; 
petals none ; anthers sub-sessile : stigma 
entire. Water. S. 
NUTTAL"L[A. 15-12. {Malvacecn.) [hi honor 
of Thomas Nuttall.] 
digita"La, (r. M. 2/.) glaucous ; lower 
leaves obsoletely digitate, sub-peltate ; di- 
visions linear; segments glabrous; upper 
leaves 3-parted and simple; peduncles 
Bomewhat racemed, very long. Poppy- 
like. 3-4 f 
NYMPH^'A. 12—1. {Papaveracem.) [From 
numpha, water-nymph.] 
odora'ta, (pond lily, w. Ju. 2^.) leaves 
round-cordate, entire, sub-emarginate; lobes 
spreading asunder, acuminate, obtuse ; pe- 
tals equalling the 4-leaved calyx ; stigma 
16-20-rayed ; flowers large, odorous. The 
Egyptian lotus belongs to this genus. 
NYS"SA. 20—5. (jEliagni.) 
VLidtijio'ra, (sour or black gum, y-g. M. 
b.) leaves lanceohite, very entire, acute at 
each end; the petiole margined, and mid- 
rib villoee; fertile peduncles many-flower- 
ed ; flowers in umbellate clusters ; drupe 
i;early round, dark blue. Low woods. 
30 50 f 
neath ; staminate florets capitate ; pistillate 
1 -flowered. S. 
tomento' sa, (M. leaves on long pet 
ioles. oblong, acuminate, acutely toothed, 
tomentose beneath; fruit bearing peduncles 
1-flowered. S. 
unijio'ra, (Ap. 2/.) leaves on long petioles, 
oblong, acuminate, sparingly and angularly 
toothed, slightly pubescent beneath, lower 
ones sometimes cordate ; fruit bearing ped- 
uncles 1-flowered. Swamps. S. 
OBOLA'RIA. 13—2. (Pedic.ulares.) 
Virgin" tea, (penny-wort, r. Ap. 2/.) stem 
simple ; leaves oblong, truncate fleshy, 
purple beneath ; flowers axillary, solitary, 
sessile. 3-4 i. 
OCY'MUM. 13-1. (LahiatcB ) [From okus, 
swift, on account of its r.apid growth.] 
basil"iciirn, (basil, %.) leaves ovate, glab- 
rous ; calyx ciliate. 6-12 i. 
(ENAN"TnE. 5—2. (UmbelliferecR.) 
sariri'/nfo'sa, stem branching, weak, 
somewhat chmbing; leaves gash-bipinnate ; 
segments ovate, dentate, terminal one some- 
what 3 lobed ; uiidiels opposite the leaves, 
many rayed ; involucre 0; fruit oblong; 
style very long. 
Jilifo/'mif!, (w. Au. @.) leaves simple, 
terete, jointed, acute; nut winged. Harper's 
Ferry." 
CENO'THERA. 8—1. {Onagra.) 
Capsules elongated, sessile. 
bieii"nis, (scabish. tree-primrose, y. J. $ .) 
stem villose, scabrous ; leaves lance-ovate, 
flat-toothed ; flowers sub-spiked, se.«sile ; 
stamens ,«horter than the corolla. 3-5 f. 
parvijio'ra, (y. Ju. ^ .) stem smooth, sub- 
villo.se; leaves lance-ovate, flat; stamens 
longer than the corolla. 
grandijlo'ra, (y. Ju. $ .) stem nearly 
smooth, branched; leaves ovate-lanceolate, 
glabrous ; flowers axillary, sessile, large ; 
petals obcordate ; stamens declining, .short- 
er than the corolla. 2-3 f. Introduced. 
muricn'ta, (y. Ju. $ .) .stem purplish, mu- 
ricate ; leaves lanceolate, flat ; stamens as 
long as the corolla. 1-2 f 
simia'ta, (y. J. @.) stem diffu,se, pubes- 
cent; leaves oval oblong, toothed and sinu- 
ate ; flowers axillary, villose ; capsules 
prismatic. Var. min"ima, stem low, sim- 
ple, 1-flowered; leaves entire. 
Capsules ohovate, clavate, angular, mostly 
pedicelled. 
frutico'sa, (.shrubby Oenothera, sun-drop 
y. Ju. 2X-) pube.scent; stem branching from 
the base, divaricate ; leaves sessile, lanceo- 
bijlo'ra, (tupelo-tree, swamp horn-bean,) I late, acute, slightly toothed, pilose; flowers 
leaves ovate-oblong, very entire, acute at 
each end, .smooth ; fertile peduncles 2-flow- 
ered ; drupe oval, compre.s.sed. Swamps. 
30-50 f. 
aquat"ica, (M. T?.) leaves oblong-lanceo- 
late, entire, acute at each end, glabrous; 
fruit bearing peduncles 2-tiowered 
in a terminal raceme; petals broad-obcor- 
j date. Shady woods. Stem 12-18 inches high, 
' purple. Var. ambig"ua, has smaller flowers. 
I hybri'da, .stem erect, villose ; leaves pu- 
j be.scent on both .sides, lanceolate, remotely 
toothed, undulate; cap.sules somewhat 
i spiked ; flowers pale yellow. 9-18 i 
