168 
SINAPIS— SMILAX. 
leaves sinuate, pinnatifid, radical ones ter- 
nate, sinuate, many-cleft; flowers small, 
panicled. 2-4 f. S. 
conna'tum, (y. Au. 2|.) erect, terete, his- 
pid ; leaves opposite, connate, scabrous, 
remotely seiTate ; panicle terminal, dichoto- 
mous. 6 f. S. 
pinnatifi'dum, (y. Au.) stem somewhat 
glabrous; leaves sinuate, pinnatifid, sub- 
scabrous, a little haiiy beneath; flowers 
larg-e ; scales of the involucrum oval, outer 
ones roundish. 4-6 {. S. 
Iceviga'tum, (y. Au.) stem simple, 4-an- 
gled, furrowed, glabrous ; leaves sessile, 
ovate-acuminate, slightly serrate, sub-cor- 
date at the base, glabrous; scales of the 
involucrum ovate, ciliate. 2 f. 
scaber"rimum, (y. Au.) stem sub-angled ; 
angles rough above ; leaves short-petioled, 
ovate, sub-acuminate, serrate, rigid, sca- 
brous ; flowers corymbed ; scales of the 
involucrum ovate, ciliate. 3-4 f. 
atropur^'pu'reum, (y. Au. 2X-) terete, 
smooth ; leaves verticillate by fours, lance- 
olate, scabrous, sub-entire, sub-sessile, ciliate 
at base, upper ones scattered ; panicle di- 
chotomous. 4 f. ^S^. 
denta'tum, (y. Au.) erect, somewhat glab- 
rous ; lower leaves opposite, upper ones 
alternate, all lanceolate, sinuate-toothed, 
pilose, scabrous ; flowers coiymbed ; scales 
of the involucrum broad-ovate, ciliate. 
2 3 f. S. 
ela'tum, (y. 2^.) leaves petioled, alternate, 
cordate, sinuate ; scales of the involucrum 
obtuse. S. 
reticula' turn, (y. 2X-) leaves alternate, 
ovate-lanceolate, cordate, serrate, rather ob- 
tuse, a little villose. S. 
SINA'PIS. 14—2. (CrucifercE.) 
ni'gra, (common mustard, y. J. S^.) silique 
glabrous, 4-angled, close-pressed to the 
Btem ; leaves at the top lance-linear, entire, 
smooth. Naturalized. 
al"ba, (white mustard,) pod mostly his- 
pid, spreading ; flowers corymbose. 1-2 f. 
Introduced. 
arven"sis, (y. Ju. stem and leaves 
hairy ; siliques glabrous, many-angled, un- 
even, about three times the length of the 
style ; style slender, ancipital. Introduced. 
SIPHONY'CHIA. 5—1. {Amaranti.) [From 
siphon, tube, funnel, and nuchios, night.] 
america'na, leaves oblanceolate, shorter 
than the internodes, a little hairy below, 
ciliate. rather obtuse ; stem much branched, 
minutely arid retrosely pubescent ; flowers 
in small, glomerate cymes at the ends of 
the branches. 
SI'SON. 5—2. (Umbetliferea.) 
majiis, glabrous ; leaves cut-pinnate ; lobes 
with cartilaginous margins, sharply serru- 
late, those of the lower ones lanceolate, of 
the upper ones many-cleft and linear. 
rubricau'le, leaves semi-verticillate, cut 
tri-pinnate ; segments capillaceous ; partial 
involucres compound, longer than the um- 
bellets. 
SISYiVI"BRIUM. 14—2. {CrucifercB.) [From 
sisubos, fringe, so called from its fringed 
roots.] 
oficrn oh, (y. Ju. ^,) loaves mncinate 
hairy ; flowers in a long raceme ; pod sub- 
ulate. 1-2 f. Stem hairy, branched. Road- 
sides. 
canes"cens, (y. Ap. ©.) leaves bi-pinnat- 
ifid, hoary ; segments dentate, obtuse, .some- 
tirnes obovate ; petals as long as the calyx ; 
siliques sub-angled, ascending, shorter than 
the peduncle ; stigma capitate. 1-2 f. 
cheiranthoi'des, (y. J. @.) siliques erect ; 
fruit-bearing pedicels spreading ; leaves 
nearly entire, lanceolate. Canada. 
SISYR1N"CH1UM. 15—3. (Iride<B.) 
avf'ceps, (blue-eyed grass, b. J. H.) scape 
or culm simple, 2-edged or 2-winged ; 
glume-like spatha of 2 unequal valves, ex- 
tending above the flower; petals mucro- 
nate. Hedge-mustard. 6-12 i. 
mucrona'tum, scape simple, winged ; spa- 
tha colored, one of the valves ending in a 
long, rigid point ; stem setaceous. 6-10 i 
Flowers 3-4 in a spatha, blue. 
SI'UM. 5—2. (UmbellifercE.) [From scio, to 
move, from its agitation in the water,] 
latifo'lium, (water-parsnip, w. Ju. H.) 
root creeping ; stem erect, angular; leaves 
pinnate ; leafets ovate, lanceolate, sessile, 
smooth, serrate, sometimes pinnatifid ; um- 
bels terminal, large, rayed ; involucres 
many-leaved. 2-4 f. The leaves that grow 
in water are hi pinnatifid. Swamps. 
linea're, leafets linear, lanceolate, acutely 
and finely sen-ate ; stem tall. 
SMI'LAX. 20 — 6. {Asparagi.) [From smileus, 
to cut ; so called from the roughness of its 
leaves and stalk.] 
1. Stems frutescent. 
sarsaparil'la, (Ju. 2_C.) stem prickly, 
slightly 4-angled; leaves unarmed, ovate- 
lanceolate, cuspidate, sub-5-nerved, glau- 
cous beneath ; peduncles long. 
quadranf'gula'ris, (Ju. ^.) leaves un 
armed, ovate, sub-cordate, acute, 5-nerved ; 
stem prickly, 4-angled ; berries black. 
cadu'ca, (J. .) stem flexuous, aculeate ; 
leaves ovate, mucronate, membranaceous, 
5-nerved ; common peduncle scarcely longer 
than the petiole. 
pandura'ta, (Ju. ^.) aculeate; leaves 
ovate-panduriform, acuminate, 3-nerved ; 
peduncle twice as long as the petiole- 
Sandy woods. 
laurijo'lia, (Ju. .) aculeate ; branches 
unarmed ; leaves coriaceous, perennial, 
oval-lanceolate, slightly acuminate, 3-nerv- 
ed ; umbels short, peduncled. 
pseu'do-chi'na, (J. ^ .) unarmed cauline 
leaves cordate, ramose ones oblong-ovate, 
5-nerved ; peduncles very long. 
rotundifo'lia, (green-brier, w-g. Ju.. 11) 
stem prickly, sub-terete ; leaves unarmed, 
roundish-ovate, short- acuminate, cordate, 
5-7 nerved ; berries .spherical. 
2. Stems herbaceous. 
pedun"cuMris, (Jacob's ladder, w-g. M. 
IX) stem round, climbing; leaves round- 
ovate, cordate, acuminate, 9-nerved ; umbela 
long-pedicelled. 3-5 f. Low grounds. 
herba'cea, (bohea tea, g. J. IL) stem erec t, 
simple, slightly angled; leaves long-peii 
