SIEGESBECKIA- SILFHIJM. 
473 
dim'ca, (w. Oc, 11. ) leaves patmately 
7-lobed, rough; lobes lanceolate, incisely 
dentate; peduncles many flowered, sub-cor- 
ymbed, bracted ; flowers dioecious. 4-5 f . 
cns"pa, (w. Au. %.) leaves oblong-cor- 
date, acuminate, crenate, upper ones ses- 
sile ; peduncles solitary, longer than the 
petiole,, when in fruit, deflected ; capsules 
mflated, awnless, crisp-undulate. 
his"pida, (y. Au. IJ..) hispid; leaves lan- 
ceolate, serrate ; peduncles solitary, axillary ; 
exterior calyx filiform. 1-2 f. 
gra'cilis, (y. Au. 11.) slender, glabrous; 
leaves linear, seiTate, alternate ; peduncles 
solitary, axillary ; calyx angular. 12-18 i. S. 
rhombifo'lia, (y. Au. 24^.) stem sufFruti- 
cose, brau.^hing ; leaves oblong, lanceolate, 
dentate, cuneate and entire at base ; ped- 
uncles much longer than the petioles ; cap- 
sules 2-horned. 1-2 f. S. 
alc(jeoi' des, (Ju. 21.) lower leaves triangu- 
lar-cordate, gashed, upper ones palmate, 
many-cleft ; calyx hispid. S. 
coccin"ea, [li. v.) stellately pubescent and 
hoary ; leaves long petioled, deeply 3-part- 
ed ; lateral segments 2-parted, intermediate 
one 3-cleft ; racemes terminal ; styles 12. 
Plains of the Upper Missouri. 
Jilicmi'lh, slender, hispid ; leaves ovate- 
oblong, cordate at the ba.se, serrate ; flow- 
ers axillary, solitary ; capsules 5, 2-beaked. 
2 f. Texas. 
SIEGESBECKIA. 17—2. (CorymUfcro'..) 
JLosculo'sa, (y. Au. ^.) leaves dentate, 
ovate, sessile ; disk florets 3-toothed, trian- 
drons. 
lacinia'ta, leaves laciniate, pinnatifid, up- 
per ones lanceolate, entire, tuberculate ; ex- 
terior involucrum short; ray florets very 
large. S. 
S1EVER"SIA. 11 — 12. (Rosacea) fAfter M. 
Sievers, a Russian botanical collector ] 
aiiemonoi'des, (w.) stem creeping, stolon- 
iferous, 1 -flowered ; leaves pinnate ; pir?".© 
ensiform, toothed at the apex ; stipules fili- 
form ; cap-sules shorter than the calyx ; style 
bearded. 
trijio'ra, (r.) erect, simple, 3-flowercd, na- 
kedish ; leaves radical ; pinnoB cuneate, 
gash-toothed, sometimes pinnatifid; petals 
equalling the calyx ; awns long, silky-vil- 
lose. Newfoundland. 
SI'LENE. 10—3. (Caryophyllece) 
penmylva'nica, (pink-catchfly, p. M. J. 
11.) viscidly pubescent; radical leaves 
wedge-form, stem leaves lanceolate ; pani- 
cles trichotomous ; petals slightly emargi- 
nate, very obtuse, sub-creuate. 8-12 i. 
virgin" ica, (r. J. 2J!.) erect, or decumbent ; 
viscidly pubescent; leaves lance-oblong, 
scabrous on the margin ; panicle dichoto- 
tnous ; petals bifid ; stamens exsert. 12 i. 
rotundifo'lia, (r. Ju.) decumbent; stem, 
calyx, and margin of the leaves very pilose; 
leaves broad-oval ; flowers few, trichoto- 
mal ; petals gashed, sub-4-cleft. S. 
injia'ta, caiyx bladder like, and beaviti- 
fuily veined , flowers white, petals bifid. 
Bladder campion. Rocky hills. Ex. 
arme'ria, (w-r. Au. @.) flowers fascicled, 
fastigiate ; upjier leaves co."dute, glabrous; 
petals entire. Ex 
co'nica, calyx of the fruit conic, striate. 
Ex. 
dichot"oma, racemes in pairs, terminal, 
1- sided; flowers interaiediate, peduncled 
Ex. 
nocim'"na, 'w. J. ©.) flowers spiked, al- 
ternate, sessile, secund ; petals bifid. 
Stella' ta, (w. Au. 2^.) leaves verticillate 
in fours, oval-lanceolate, long acuminate , 
calyx inflated; petals lacerate, fimbriate 
2- 4 f HiU-sides. 
noctiflo'ra, (w-r. Ju. 0.) calyx veiny, 
10 angled ; teeth of the tubr equal ; petals 
2-cleft ; stem dichotomous. Ex. 
qninqn.e'vul"nera, (r. Ju. 0.) hirsute , 
leaves cuneate-oblong, upper ones linear • 
petals entire, roundish; fruit alternate 
erect. 8-12 i. /S\ 
ova'ta, (r w. J. 11.) leaves ovate, lanceo- 
late, acuminate, nearly smoothLsh ; raceme 
terminal, compound ; calyx ovate ; stamens 
and styles exsert ; stem simple. 
Jimhria'td, (M.) stem pubescent ; leaves 
obovate, ciliate ; petals large, fimbriate, 
wliite ; flowers generally 3, in a termmal 
fascicle. 6-8 i. S. 
antirrlu' iia, (Ap. @.) stem pubescent 
near the ba.se, sometimes spotted ; leaves 
narrow, spatulate, lanceolate, ciliate ; pani- 
cles dichotomous ; petals small, bifid ; sta- 
mens included. 1-2 f S. 
axiUa'riii, (p, Au.) viscid-pubescent ; stem 
branched; leaves ovate, oval, petioled, sub- 
dentate ; fiowers axillary, sessile, solitary. 
8 i. 5?. 
SILPH^'IUM. 17—4. (CorymhifcroE.) 
perfolia'lum, (ragged-cup, y. Au. Zf.) 
stem 4-angled, smooth ; leaves opposite, 
connate, ovate, serrate. 6 f. Rays 24 
Mountains. 
trifoUa'tuni, leaves verticillate by threes, 
panicle trichotomous ; stem 4-6 f. high, 
mostly purple ; ray florets about 14, long, 
bright yellow. 
integnfo'Iiurn, [y. Au. 2^.) stem 4-angled, 
rough ; leaves opposite, erect, sessile, ob- 
long, entire, scabrous ; flowers few, short- 
ped uncled. 4 f. 
tenui'tum, (y. Ju. li.) stem terete, glab 
rous ; leaves verticillate by threes, peti- 
oled, lanceolate, sub-denticulate, somewhat 
scabrous, ciliate at the base ; upper ones 
scattered, sessile ; panicle dichotomous ; 
calyx ciliate. 4-G f. 
gitmmif'erum, (y. Ju.) erect, hispid, gum- 
niferous ; leaves sinuate, pinnatifid, sub-his- 
pid beneath ; flowers large, axillary, sub- 
sessile; scales of the involucrum ovate, 
acuminate, outer ones fringed or hispid on 
the margins. 2-3 f. 
terebin"thinn' ceum, (y. Ju. 1^^ erect, gla- 
brous ; radical leaves large, round, or reni- 
form, cordiite, slightly lobed and toothed, 
cauline leaves altei-nate, ovate, serrate, sca- 
brous; panicle compound, many -flowered. 
4-5 f. 
lacinia'tum, (y. Au. 2^.) stem simple 
hispid above ; leaves pinnatifid, alternate, 
petioled ; segments tooth-sinuate ; flowere 
panicled ; scales of the involucrum sub-cor- 
date, acuminate. 8 12f (S. 
comv ■>s"it.am, (y. J i. H.) smooth ; cauline 
